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Shredder User Manual - Shredder Chess

1. Notation Switches the notation window on or off Engine The display of the engine analysis can be switched on or off If you play a serious game against Shredder you should close this window to not get additional information about the evaluation of Shredder for the current position Moves Toggles the moves window In the moves window you can see the moves from the opening book all legal moves or the moves from the endgame databases Right click in the window to switch between these options Histogram The history of the current game will be shown graphically in the histogram window 12 Submenus Design In the design sub menu you can set your favourite colors load different backgrounds and switch the title bars of the windows on and off You can load and save your user settings in Shredder design files with the suffix sdn KS Title bars You can switch the title bars on and off to adjust Shredder s appearance to larger and smaller screens Window Layout Here you can load and save different window layouts and also create your own custom layout Shredder layout files have the suffix slo Help Menu Help Starts the integrated online help off Shredder You can also press F1 instead Hint If it is your turn to move you can ask Shredder for a hint Shredder will show his suggested move on the graphical chess board If it is Shredder s turn to move the best move found so far will be shown on the chess board Coa
2. Example To switch the color in the notation window of the last played move on the chess board you have to open the colors dialog with Windows gt Design gt Colors Here click on Current Move to change the color to one you like KS You can save different designs and layouts and reload them again later With windows layout you basically save the positions and sizes of the windows You can define different layouts for different tasks for example for playing and for analysing games Basic features Playing a game Entering moves The easiest way to enter moves is with the mouse on the graphical chess board Move the mouse to the desired piece click on the piece with the left mouse button and move the piece to the desired square with the mouse button still pressed KS You can replay each move in the notation window by just clicking on it with the mouse You can also enter moves with the keyboard in the command line New game You can start a new game anytime you want Chose File gt New Game in the menu press the shortcut Cirl N or click on the New Game button in the toolbar Special moves To capture a piece enter your piece s move only To castle enter the king s move only To capture a pawn en passant enter only the move of the capturing pawn To promote a pawn move it to the final rank This will open up a dialog in which you can select the promotion piece Keyboard type in the pawn move replacing the
3. The information is displayed in light grey text It is advisable to switch permanent brain off if you wish to carry out timing tests for example to see how long the Shredder engine takes to solve a particular test position lf permanent brain is on you will not get consistent results since Shredder may have already been calculating the position before you started the test So in order to get the most stable results in computer tests you should switch off permanent brain and clear the hash tables This can be done in the engine options menu ECO The ECO Encyclopaedia of Chess Openings code is a system to classify chess opening Each ECO code has a letter from A E and a number from 00 to 99 53 Fischer clock The Fischer clock was invented by former chess champion Bobby Fischer For every move the players will get a time bonus to avoid time trouble You can use the Fischer clock in Shredder Endgame Databases Many chess programs can play all important major piece endings with three four and five men on the board perfectly This is to be taken literally The endgame databases contain full information on every legal position that is possible in these endings At any stage the program knows whether the position is won lost or drawn and how many moves it takes to win or lose assuming perfect play by both sides In computer chess there are two different types of endgame databases that are being used at the present time e The
4. You can remove an engine from the tournament by double clicking on its name of by clicking on the button with lt All One Book All engines will use the same opening book All One Hash Size All engines will use the same hash size Opening Book Depending on the current setting you can either choose a book for one or all engines Use Engine Book 41 Same engines access their own opening book and don t let the GUI handle it like for example Shredder With those engines you can define here that they should use their own book You cannot change the name of that book here This setting is either for one or for all engines Level Here you can set the level for the match Permanent Brain On systems with just one cpu you should disable Permanent Brain here In Engine tournaments this option is useful for systems with more than one cpu Book Learning The engines should change their opening book according to the results of previous games Tournament Type You can chose between Round Robin where all engines play each other and Run the Gauntlet where the first engine has to play all the others Cycles Here you can set the number of cycles and thus also the number of games to play Opening DB You can specify positions from which the games should be played Without Books Here you can switch off the usage of opening books for the match with just one mouse click Opening Books The opening book KS You find all functions d
5. 6n1 7P PPPNF r q1k p2bA11p 2p201N 5p2 5p2 2P5 PP lt 3q1tk1 p4pp1 2pb3p 3p4 6Pr 1 PNO4 P1F 2br2k1 2q3m p2NppQ1 2p1P3 Pp5R 4P3 11b1kb113q1ppp pBp1pn2 8 Np3P2 5B2 l 4k111 29301 1pR1p3 3pP2p 3P2qP P4N 2 5rk1 pp4p1 2n1 p2p 2Npq3 2p5 6P 1 P3P1 r2tb1k1 pp1q1p1p 2n1p1p1 2bp4 5P2 PP 1R6 1 brk2p1 4p2p p1P1Pp2 P7 6P1 1P4t r rkl ppp2ppp 2n5 2bqp3 8 P2PB 3 1PP1I 1k5r pppbni pp 4qirl 1P3p2 2NPp3 1QPE R7 P4k2 8 8 8 8417 6K1 w bm Rh8 id 1b2rk1 ppbn1 ppp 4p3 1 OP 4q 3P4 N4N2 Y b 1 301 2n3k pp3pp1 InnqbN1p 3pN3 2pP4 2P301 PPB4P RARKI w bm Og6 id WAC O01 Recent Files Change DB Cancel EPD string Here you can see the current epd string Navigation buttons With these buttons you can easily navigate in the EPD file representing the position database EPD format The EPD format defines how to store chess positions in plain text files It cannot store whole games like the PGN format but it is still very useful because of its compactness It can save a chess position in just one text line You can store many chess positions in just one EPD file You can load and save positions in an EPD file with the file menu command Load Position and Save Position You can also use the toolbar PGN format The PGN format is the standard format for saving chess games It is used by Shredder as well as other chess software and is therefore extremely important for exchanging data bases PGN stands for portable
6. Endgame Databases nt 54 EIN Ad 54 A e 54 AM o treet erer rer 54 NNO E EAA I et cect ee te eee eee ete ete eat E A E A E A E E E E E T 56 Shredder by Stefan Meyer Kahlen Shredder Classic 2 Shredder 10 UCI and Deep Shredder 10 UCI are commercial chess programs by Stefan Meyer Kahlen available on www shredderchess com and www shredderchess de This manual gives you all the information you need to use Shredder efficiently for playing and analysing chess games Note Shredder Classic Shredder 10 UCI and Deep Shredder 10 UCI are copyright protected programs For 30 days you can try out the test version of Shredder Classic free of charge and without obligation After 30 days you either need to register or you need to delete Shredder Classic from your hard drive There are no test versions of Shredder 10 UCI and Deep Shredder 10 UCI available However the user interface of all three programs is the same the difference is the integrated chess engine and the available extras for each program Registration If you would like to use Shredder Classic after 30 days of testing you have to purchase a license code and register it Shredder 10 UCI and Deep Shredder 10 UCI need to be registered at the first program start with a purchased license key You will find more information at www shredderchess com and www shredderchess de If you would like to purchase a license code you can just click on the Purchase Code button which will automatically bring yo
7. Fischer clock 54 flip board 25 56 functions 6 game over 25 graphics 17 gui 17 help menu 13 histogram 19 hotkey 14 import 43 import games 43 increment 9 information from the oracle 51 install engine 35 install tablebases 48 introduction 34 keyboard 23 layout 12 17 learning 54 legal moves 19 level 9 levels menu 9 load book 43 load games 29 load positions 28 main line 23 main line window 23 material difference 22 menus 6 Meyer Kahlen 5 mode menu 10 move time 20 moves window 19 mutli lines analysis 33 navigation 25 new book 43 new game 24 notation 18 notation window 18 note 4 opening book 42 options 15 path 48 pawn unit 52 permanent brain 53 PGN 31 playing levels 25 playing with black 25 ply 54 Pocket Fritz 46 position evaluation 20 position setup 26 registration 4 replacing games 29 replaying moves 25 right click 14 save load 28 save games 28 save positions 28 saving games 28 screen layout 17 search depth 20 54 search games 29 search information 20 selecting moves 34 shortcuts 14 Shredder engine options 36 special moves 24 start options 16 status 21 status bar 21 tablebases 47 testsuites 10 thinking 24 thinking time 18 57 threads 36 time 18 titles 12 22 toolbar 14 training 51 triple brain 32 UCl engines 34 uninstall engine 35 weed book 43 welcome 3 wildcard analysis 32 winboard 35 windows menu 12
8. books in combination with an engine The engine match dialog can be called from the Mode menu White Black D Books s hredder8a bkt Ei D 8 ooks Shredder8a bkt E J Use Engine Book F Use Engine Book eats IV Swap Sides J Book Learning Time Controls Blitz Tine Cork Games 9999 El 2 Minutes Game 1 Seconds Move J Permanent Brain Save File D Shredder enginematch pan E Dpening DB ul Without Books White Click on the button and select the desired engine Black Click on the button and select the desired engine KS You can load a different opening book for white and black Click on the button and select a book Use Engine Book Same engines access their own opening book and don t let the GUI handle it like for example Shredder With those engines you can define here that they should use their own book You cannot change the name of that book here Level Here you can set the level for the match Permanent Brain On systems with just one cpu you should disable Permanent Brain here In Engine matches this option is useful for systems with more than one cpu 39 Swap Sides If enabled after every game the colors will be switched Book Learning The engines should change their opening book according to the results of previous games Games Here you can define the number of games to play Save File You can specify the database in which the games
9. create a file proxy ini with the following content in the Shredder directory Access via the proxy 192 168 0 1 and port 8080 INTERNET Proxy 192 168 0 1 8080 Direct access without proxy INTERNET Proxy no 47 Path to the endgame databases Sets the path to the endgame databases on the hard disk Shredder needs to know where to find the endgame databases Extras Menu gt Engines gt Endgame Databases Endgame Databases x V Path1 etb E Franz Praha Pets Cache Size 32 H MB Install J GUI uses endgame databases Cancel OK ok You can enter up to 5 paths in this dialog and each path can be activated or deactivated individually With GUI uses endgame databases you can activate the endgame databases for the GUI This consumes system resources but is necessary if you want to use the Joker Analysis and the Endgame Oracle You can also set the cache size and automatically install the tablebases on hard disk Cache size Defines the size of the cache for the endgame databases Using the cache the access to the endgame databases on the hard disk will be faster Install TableBases In case you have CDs with more TableBases you can install them to hard disk within Shredder Here is what you have to do e Insert the CD in the CD drive e Click on nsiall in the dialog Extras gt Engines gt Endgame Databases e Enter the target path on the hard disk where to install the endga
10. for white and black Double Like Single but also the used time per move will be shown Digital White Digital display with a white background Digital Black Digital display with a white background Set Clocks Here you can adjust the used time so far Levels Changes the playing level Logo Displays or hides the logo Close Closes the clock window 13 The buttons next to the clock indicate whether it is white s or black s turn to move Game notation This window shows the moves of the game with variations commentary and the game details The moves can be displayed in either long or short notation BS You can chose the font and the font size in this window via the context menu 1 84 Os N book Os 2 85 1s Nd5 book Os 3 d4 1s d6 book Os 4 Nf3 2s dxe5 book Os 5 Nxe5 2s Nd7 book Os 6 Nf3 2s e6 book Os 7 c4 2s 03 N5f6 book Os 8 Nc3 2s c5 book Os 9 Be2 Es cxd4 book Os 10 Nxd4 1s Be7 book Os 11 0 0 2s 0 0 book Os 12 Bg5 23s Qb6 0 07 9 5s 13 Nc2 53s Nb3 Qxb2 0 79 10 3s 14 Qd2 9s Qb6 0 75 10 Os 15 Rab1 2s Qd6 0 65 9 3s 16 Rfdi 5s Qxd2 0 78 10 Os 17 Rxd2 1s Nc5 40 63 10 5s 18 BGB 115m h6 0 52 12 Os 19 Be3 3s Nfd7 0 59 10 3s 20 Ne4 9s Nxe4 0 69 11 Os 21 Bxe4 1s Ne5 0 69 11 6s You can replay and undo the moves with the mouse wheel 18 The color of the last played move can be chosen in the menu Windows gt Design gt Colors gt Current Move If the game is very long then a scroll bar appea
11. game notation and stores chess games in plain text format You will find many free PGN chess databases in the Internet which can be imported into Shredder 31 Analysis Wildcard analysis In endgames with 3 4 5 and some with 6 men the wildcard analysis offers a unique analysing feature Shredder is accessing the endgame databases when using the wildcard analysis You can activate the wildcard analysis by right clicking on the chess board The position on the current chess board must be contained in one of the installed endgame databases If you have not installed the database for the current position Shredder will ask you if he should search the position in his online endgame database In the wildcard analysis one piece will be taken off the board and put back on every possible square of the board The evaluation of the position will be written on that particular square Ay The current game will be deleted when using the wildcard analysis so you should save it if necessary before starting the wildcard analysis Example Imagine the following question On which squares for the white king is the endgame K Q against K bPf2 won for white Just setup any of those positions click on the white king and choose wildcard analysis Within a second you will see the information written on every square Please note that the values are the real scores and not just Shredder s guesses Triple Brain The Triple Brain is a new concept t
12. in 73 Analysing with the Oracle Yesterday played a tournament and lost in a queen pawn g7 vs queen endgame KQPKQ Should have placed my king a long way away from the pawn on a4 or a1 Questions like this are common for anyone who frequently plays in tournaments By using the endgame oracle you can get a better understanding of how to play this endgame How to do it e Set up the pieces with the white pawn on g7 and the black king on a4 e Assign a board wildcard to all the other pieces e Note the percentage of white victories e Repeat the procedure with the black king on a1 and compare the statistics Training Example Use the oracle to search for all positions in the endgame queen and two bishops vs king KQBBk which need 23 moves to checkmate Set up a position at random and then without cheating i e looking at Shredder s analysis try to find the best possible mate against Shredder s perfect defence FAQ Auto 232 Menu Mode Autoplayer The Auto 232 interface allows you to play matches between two separate computers The computers must be connected by a null modem cable and the remote computer must be running a chess program that also supports the RS232 Autoplayer One program is configured as a master and one as a slave You must specify which serial port the cable is connected to If Shredder is master you can specify the number of games to play and the time out Game is stopped if no move is made in time
13. instance if a piece on a8 has been assigned a row wildcard it will be placed successively on all the squares from a8 to h8 If the piece has been assigned a board wildcard it will be placed on all 64 squares The wildcard being used is specified by a small red arrow in the corner of the square In our example the black pawn is not given a wildcard but all the other pieces are given board wildcards In the oracle dialog you define whose turn it is to move White Black or both Below that you can specify which positions should be saved in the EPD file tboracle epd e None only display the statistics on the screen 50 e Longest win for White Black e Draws e Positions with a predefined distance from checkmate for instance Shredder can list all positions which White can mate in 25 moves e Zugzwang positions White Black wins but if it is the other side s move it is stalemate both lose if they have to move Now we can consult the oracle Information from the oracle After the position has been defined the search can be started Once more the search only works if the corresponding endgame tablebases have been installed After running the search Shredder will output a lot of information about the endgame being analysed For instance in the position defined in the previous section it will examine 11 million positions and report that White can win in 873 022 positions i e 7 51 of all possible positions The longest line is mate
14. last digit 1 or 8 with the letter of the promotion piece Examples b7bQ b7 b8Q or a2bN a2xb1N Note that the piece names should be upper case Shredder is thinking When Shredder is thinking the status bar will display Thinking When Shredder plays a move the piece it has moved is marked with a coloured frame This shows you that it is your turn The frame disappears when you move the mouse or touch a key Some menu commands are not available when Shredder is thinking They appear in light grey characters disabled You also cannot enter moves until Shredder has played 24 At the beginning of a game Shredder consults its opening book and plays its moves instantaneously To interrupt Shredder s thinking process at any time press Esc or click on nterrupt button in the toolbar End of game At the end of a game Shredder displays one of the following messages e White wins e Black wins e Stalemate Draw e Draw Not enough material left to win e Draw because of 3rd repetition e Draw because of 50 moves rule Playing a with black To play a game with black you have to Turn the chess board with Flip Board from the context menu of the chess board if desired Let Shredder play a move with Compute from the Commands menu Replaying moves You can navigate in the game notation using the navigation buttons in the toolbar The buttons are similar to those of a VCR and its meaning should be clear Taking back and
15. out time Note You must set the time controls opening book etc and start a new game before starting the Autoplayer 51 All games from an Autoplayer match are saved to the database auto232 pgn Pawn units A chess program evaluates positions in pawn units Here are the values for each piece on the board Queen 9 pawn units Rook 5 pawn units Bishop 3 pawn units Knight 3 pawn units Pawn 1 pawn units Positional factors are evaluated in fractions of a pawn Databases File formats The following file standards are supported by Shredder CBF Shredder can read and write chess database files in the CBF format This was originally developed by ChessBase and it is supported by a variety of chess programs A CBF database contains a collection of chess games In addition to the moves a lot of information players venue year result opening code comments variations etc can also be stored The data is stored in a highly compressed format and it allows Shredder to search for specific game information very quickly PGN The PGN format is widely used on the Internet In addition to chess moves a lot of information players venue year result opening code comments variations etc can also be stored Games are stored as text so that a PGN database can be edited with any word processing program Here is an example of a game in PGN Event 18th WMCC Site Maastricht Date 2001 08 23 Round 8 White Shre
16. should be saved Opening DB You can specify positions from which the games should be played Without Books Here you can switch off the usage of opening books for the match with just one mouse click Engine tournament In Shredder you can test different engines in a tournament You can choose if you would like to start a new tournament or if you would like to continue an old one The engine tournament dialog opens when choosing Engine Tournament from the mode menu 40 Engine Tournament x Title Engine Test Installed Engines Participants List 512 a gt Shredder 6 All Engines ParSOS 3 Shredder 7 Ruffian 1 0 1 A Opening Book Ruffian 2 1 0 D AShredder8a bkt a Shredder Shredder 5 32 A Shredder 6 Use Engine Book Shredder 64 jy Shredder 7 a A Shredder 7 01 a All Engines Shredder 7 04 Shredder 8 All One Book Hash Tables 256 MB Shredder Classic xl 7 All One Hash Size Level Tournament Type 2 Minutes Game 1 Seconds Move f Round Robin Time Controls Blitz Run the Gauntlet Y P t Brai E PS 1 Cycles 3 Participants 3 Games l Book Learning Opening DB E Without Books coa Title Enter a name for the tournament Installed Engines Shows a list of the installed engines You can invite an engine to the tournament by double clicking on its name or by clicking on the button with gt Participants Shows a list of the participants of your tournament
17. the buttons are inactive there is no king or rook on the appropriate square Save Load Shredder can load and save position the EPD format as well as the CBF and PGN formats EPD files can contain any number of chess positions When saving EPD positions you can also add a comment to the position Use the commands from the File Menu to load and save position Game Handling Databases Shredder uses the PGN and CBF format to save games in databases A database can contain any number of games In addition to the moves more game details name of the players site tournament comments and lines can be saved The PGN format is supported by many other chess programs Also the data is stored in plain text format which makes it easy to exchange information between different programs Saving games To save the current game choose File gt Save Game from the menu or use the shortcut Ctrl S A dialog will be shown where you can enter more details of the game Game Details 2004 04 19 Result C10 Cr CO Cancel It is a good idea to enter at least the name of the players and the event data This will make it much easier to find the game later if you want to load it from the database Click on Save to save the game in the current database 28 If there is no current database set a windows dialog will appear where you can choose to save the game either in an existing database or in a new database If you want to chang
18. Book Options D Books shredderclassic bkt V Use Opening Book Y Book Leaming Clear F Use Engine Book Y Result Learning Clear MV Move Values Clear oc Mola IV Use Statistics Clear IV Refutations Tournament Standard C Wide Classic Modern Requirements Influence Games 23 Move Value hi 13 Num Games White s Score ay Black s Score E Score Move No ss Learning Default Cancel Classic Modern Specifies if Shredder should play rather old openings or new ones Requirements 44 Here you can define which requirements are needed if Shredder should play a move out of his opening book Shredder will only play a move if at least Games games were played with this move of which Wins games were won With white the winning percentage must be at least White s Score percent and with black at least Black s Score percent Move No Plays at most Move No moves out of book Influence Here you can set the weight of all factors Example lf you set the Move Value slider to the right a move with an a score will be played even more often and if you set the slides Num Games to the left it doesn t matter much if a move was played 10 or 1000 times KS Hint You can check the changes to the opening book preferences in the moves window while modifying the parameters in this dialog Book moves comments You can enter text comments to every book move in Shredde
19. CMAMG CS rk te aes oe ee ee ate te eat et ee ate ts 27 OK button Wat el ee eee 27 SIK DUITLOMS o a eet tS 28 CASI OM a Arteta at 28 SVEN e ot 28 Game and td 28 Di T 28 SANTAS 28 LOAN JAMES aa pas 29 Replacing JAMES muii 29 DOI JAMES certain nos 29 Searching E 29 COMMENTING JAMES crac 30 Entering lines ianareo aE EE EE EEEE EEEE EEEE E EEEE EEEE 30 oiae E map 30 EPDIDIAlO Geirio OEE E EE T E EEE E E 30 VATA UY SIS ciar 32 Wildcard AN lySiS masisiraan aaa a EEEE ieee 32 A AA A a Er ES 32 Analysis Mode eee 33 Multi Line analySiS oooonnncnnnnicocccccnnncccnnnononnnnnncnnnn reer eee eee eee n rn nn ran nn rn nnnnn rn EEEn nanan n nnen 33 Analysing JAMES oe ee 33 Selecting MOVES tO ANALYSE cece eee eeceteee tere eee eee e reread eee teeta nn rra nn r an nnnnn aaaeeeeeeeeeteee 34 Analysing 0 S11 90 0 ee eee 34 Multi Engine System ccccccccceeeeeeecceeee eee eee ee cea a eee e ee erecta aaaeeeeeeeegeeeaaaaeeaaeeeeeeeesgecaaaeeeeeeeesseessnaeeeeees 34 INTRODUCTION ia orenian nnanet aniani oaia ataakai anian caenvhdsbyehs batsdetebetetelebatedetebetetebeeaatehe 34 UCI engines cece cette eect ete ee ee ee eet anne renee eee ened eee eden aaaaeeeeeeeetneeaaaaes 34 Winboard CnGINS 2 isceceeieeateaetenssveviesnccnetvabauabluencieetvans veh vensnebtvanguaavaestnnseandvasitevbsbetetstebetytee noes 35 Engine Options Ainiin nininini aiaa iE aaaeaii aeh eatea 35 E 35 change ar 36 O OO 36 IU MN tec 36 Shredders eng
20. NG 3 Nc3 Bc5 4 d4 exd4 5 Nxd4 O O 6 Bc4 1 921 615 188 best move e2 e4 time 0 16 969 min nfs 165 765 CPU 99 8 nfs 1CPU 186 157 nodes 3 149 622 book move 1 c5 best move c7 c5 time 0 00 000 min 8720 0 01 0 56 2 Nc3 Nc6 3 Nf NB 4 Bc4 d6 5 d4 cxd4 6 Nxd4 196 204 182 best move Nb1 c3 time 0 02 469 min nfs 165 735 CPU 99 9 nfs 1CPU 185 920 nodes 455 608 The best line so far is displayed in a different color A The colors in the analysis window depend on the settings in Windows gt Design gt Colors If you have set the current move to red the display will for example look like this te 0 36 0 08 8 d5 9 5e2 Sa5 10 cxd5 c4 11 Lc2 b6 12 0 0 2 563 650 69 6 ei am Zug rechne im Hintergrund 5 Minuten Partie KS Analysis in the Permanent Brain will be shown in a different color If you have activated Continuous Display in the context menu the content window will be cleared only when quitting the program otherwise before every analysis of a position You can scroll backwards to see the analysis from previous positions This can easily be done with the keyboard Ctrl Shift CURSOR UP one line up Ctrl Shift CURSOR DOWN one line down Ctrl Shift PAGE UP one page up Ctrl Shift PAGE DOWN one page down Ctrl Shift HOME top of the window Ctrl Shift END end of the window Ctrl Shift DEL clears the content of the window All the information in the analysis window can be saved in a text file Right click in the window and cho
21. Shredder User Manual shredder User Mantlale aaa 1 Shredder by Stefan Meyer Kahlen oooocoocccccococcccccccnnnconananonnncnnnnncnnnn nn nn cnn nan cn nana nan nn eee eet nn rra cnn nn eet 4 a E E erence 4 Registralo Meannan nanana AE 4 UM aiii 5 Stefan Meyer Kahle e cavacseneetecacarevycesecatieeeeets 5 tE o o er niania ben irni Eit 6 E aE E AE E EEEE A 6 FIG MGM ncen 6 Commands Melissa trascendencia doce 8 levels Men kecocospnpn a i an 9 Mode MOU kscsccasesacexesevedesesexedesesevedesaneaadeaaadasnanund EEEE EEE EE EEE Er EEEE E N EEr bets EEE 10 EXEFAS y EEE E E A E 11 Windows MON sicssscsencacnenenenedevenduedesanunadananauadanenenazencnduazanaaduanauaaduanaaaaduanaaaadiaacs cctcachsnetenenenenehehads 12 Hep MENU PPP mg a o o 13 Alo Loto N E EE T cere esenetie eaten eeageeen eee ea eneten ee eae 14 DV OUDIS Cli A O 14 A ke ete tc etek eee ccc ea A cao acne ATAOE VIE VIE I O O E N 14 O 14 Options Dialog cunt ed did bit id eee eee ee 15 A etre cre weer ae dada Secale EEE ees tees sates sees teeeseeseoesssesestetepets 16 A Rata ea ate ee ch a eae des tates daevtcestnwtussesectutsteastsneusstetetsesteeseseatyts tt 17 BE Lo o OPA OO Cn o 41500041409 14041405 10041014 400sta04 ats tatadaestatatatstataiaestacenenens 17 A O 18 NO 18 MOVES MIN O rondan ire rancia acid 19 IS LOGAN ce arses ess eet aa set Aes eee nates ONEONE ENE ENE sete tetetsnsdees coceereesssaeeecessesreseseseceeesevessenenss 19 SSALCHMMTORM ALO EEEE teuswau
22. Thompson databases generated by Ken Thompson e The Nalimov endgame tablebases generated by Eugene Nalimov Shredder uses the Nalimov tablebases It consults these during the search and it can use them ina special endgame oracle that allows you to study endgames in a unique manner Nalimov tablebases These endgame databases were introduced in 1998 and are generally referred to as tablebases The currently available tablebases contain every possible position in every relevant four and five piece endgames Together with each position there is information on whether it is a win loss or draw If a position is a win or a loss there is information on the maximum number of moves required up to mate A chess playing program using the Nalimov tablebases will end many games with truly spectacular mate announcements Shredder will often confront you with a mate in 45 moves even when there are many more pieces on the board This is because the program has found a line in which it can trade down to five pieces and then get a position which is recorded in the tablebases as a forced win Learning Shredder has various learning functions The learning has the following targets Improved game play and analysis Recognition of combinations Improving the opening book Repeating won games and avoiding to repeat lost games Search depth Shredder can calculate a number of moves ahead The number of moves in this calculation is called the search depth and
23. Usually the time is set for both players Increment the entered value in seconds will be added to the remaining time after every move This is called the Fischer clock Human Bonus You can play with more time against Shredder Time per Move In this mode Shredder uses either exactly the specified time per move or just this time on average Exceptions e Shredder is playing moves from his opening book e Shredder has found a mate The level with exact time per move is not suited for playing normal games This level should only be used when analysing test sets Time Controls Here you can define up to three different time controls The third time control will only be available if you have entered a second one With all you can specify that the time has to be used for the rest of the game You can also define an increment which will be added to the remaining time after every move Fixed Search Depth You can set how many moves Shredder should think in advance The time needed for this is dependent on the current position on the chess board Positions with more pieces need much more time than those with only a few pieces left Limit Strength You can reduce Shredder s playing skill to a fixed Elo number The bigger the number the stronger Shredder is playing If you want to play yourself against the program it is strongly recommended to adapt Shredder s playing strength to your own skills KS Please note that if you set the slider all t
24. You can set up new positions or modify the current position on the board at any time Right click on the chess board or choose Edit Position or press Ctrl D to open the dialog for editing the current position The current position is the default position in the dialog Edit Position xi White 0 0 M White 0 0 0 Tl Black 0 0 l Black 0 0 0 r Side to move C White EX Black E i Startposition Curr Position Cancel OK e To add a new piece click on the desired piece on the right side of the board The mouse cursor will change to the chosen piece when moving the mouse over the chess board Click on a square to set the piece on that square e f you click with the right mouse button on a square the piece of the opposite color will be placed on that square e f you click with the middle mouse button on a square the square will be cleared and the piece on that square will become the new mouse cursor To remove a piece from a square double click on that square You can change the current piece with the mouse wheel You can clear the chess board with the button Clear Board Click on Curr Position to undo all changes to the current position You can confirm all changes and close the dialog with the OK button If the button is inactive the position on the board is not legal e Clicking on Cancel will discard all changes and close the dialog 26 e You can set the castle rights with the button
25. best move Analysing games Shredder can automatically analyse a game Choose Analyse Game from the Mode menu to analyse the current game You have the following options e Side who s moves should be analysed white black or both e Moves to analyse the default is move 1 until the end of the game 33 e Threshold The analysis will only be shown if the evaluation of the best move and the evaluation of the played move differ by at least the chosen value If you chose 0 as a threshold the analysis for all moves will be shown e Clear comments variations old comments and variations will be replaced with the new analysis e The time used for the analysis will depend on the chosen playing level You can also set the time per move directly in this dialog Shredder s analysis will be added as lines to the game The evaluation search depth and time will be added as text comments The games will be analysed from the end to the beginning this will improve the quality of the analysis Moves from the opening book will not be analysed if the book is switched on Selecting moves to analyse You can tell Shredder which moves to analyse or not analyse in a given position To do so switch on the analysis mode first Hold down the Ctrl key when entering a move on the board This will tell Shredder to only analyse this move You can repeat this to select any number of moves to analyse If you enter a move again with the Ctrl key pressed it wi
26. ch is Watching Switches the chess coach on or off Register Here you can register Shredder with your name and your personal license code If this command is not available Shredder as well as the current engine are already registered Query Program Update You can ask Shredder to look for program updates in the Internet on www shredderchess com If Shredder finds a new version you will be asked if your installed version should be updated automatically When checking for updates Shredder will send your license code encrypted to our server to check with our customer database if the update query is legal Upgrade information Calls an Internet page where you can get information about upgrades for your Shredder version registered version only not in Deep Shredder Shredder Homepage Calls the homepage of Shredder in the internet Use this to keep track of new developments in Shredder About Shredder Shows information about the program 13 Right click Beside the normal pull down menus the context menus for every window are an important user interface item A click with the right mouse button opens a context menu in every window Many functions are easier accessible via the context menu than via the normal pull down menu Example With a right click in the clock window you can easily access almost all time related functions with just one mouse click KS Hint Try right clicking the mouse in all windows to get access to context relat
27. dder Black Chess Tiger Result 1 0 1 d4 d5 2 Nf3 Nf6 3 e3 Bf5 4 Bd3 Bxd3 5 Qxd3 Nbd7 6 O O e6 7 Nc3 c5 8 e4 cxd4 9 Nxd4 dxe4 10 Nxe4 Be7 11 Be3 O O 12 Rad1 Qa5 13 Nxf6 Nxf6 14 Qb3 Nd5 15 Qxb7 Rab8 16 Qd7 Rfd8 17 Nc6 Rxd7 18 Nxa5 Rxb2 19 c4 Nf6 20 Nc6 Bf8 21 Rxd7 Nxd7 22 Rai Bcd 23 Nxa7 Bxe3 24 fxe3 Ned 25 a4 h5 26 a5 h4 27 h3 Nxc4 28 a6 Nb6 29 Nc6 Kh7 30 a7 Na8 31 Nd8 Kg6 32 Ra4 e5 33 Rxh4 Ra2 34 Nc6 Ra6 35 Nxe5 Kg5 36 Rg4 Kf6 37 Nd7 Ke7 38 Nb8 Ra1 39 Kh2 Kd6 40 Rd4 Kc7 41 Rd7 Kb6 42 Rxf7 Rxa7 43 Nd7 Kc6 44 Ne5 Kb6 45 Nc4 Ka6 46 Rxa7 Kxa7 47 h4 Kb8 48 Nd6 g6 49 Nf7 1 0 52 You can cut and paste this game into Shredder Shredder can load and save game collections in PGN format and is also able to search for specific game information in any PGN database file Some PGN databases do not strictly conform to the PGN standard and some games in such databases cannot be transferred An error message will indicate problems EPD An EPD file is an ASCII text file which stores chess position Each is separated from the previous position by a carriage return and line feed The board is described first The upper case letters PNBRQK represent the white pieces and lower case represent black pieces Numbers indicate a series of empty squares from 1 to 8 The board description starts at a8 to h8 then a7 to h7 etc The separation of each rank is marked by a slash The side to move
28. e or more solutions can be defined When the analysis is completed Shredder displays a statistics with the solution times for all positions Also two files with the statistics will be generated in the Shredder directory One is in EPD format and one in CSV format which can be directly imported in many spread sheet programs for further examination Autoplayer Shredder has a built in interface to the auto232 system With auto232 chess programs can play each other automatically on two different PCs Engine Match In the Shredder user interface two engines can play against each other automatically The games of the match will saved in a PGN database Using a single cpu system it is recommended to switch off permanent brain Engine Tournament 10 In the Shredder interface chess engines can automatically play a tournament among each other External Board Shredder supports the electronic chess boards of TASC and DGT You can make moves on those boards which will be automatically sent to the chess program KS Hint the TASC board is only working with Windows 95 98 and ME Extras Menu In the Extras Menu you will find the sub menus for the engines the opening book the endgame oracle and the options Engines Submenu KES Hint you can access many more important functions by right clicking in the analyse window Permanent Brain Shredder continues to calculate when it is the user s move against the program Shredder expects the user to mak
29. e a certain move If this particular move is played Shredder has saved some time on his clock resulting in stronger overall play KS Hint Shredder shows the expected move in the analysis window Analysis from permanent brain will be displayed in a different color Install Engine Installs a new engine in the Shredder interface Uninstall Engine Deletes an engine from the internal engine s list of Shredder Note The engine is not deleted from the hard disk Edit Engine File You can edit the engine files of Shredder with Notepad Usually you don t need to do this manually as Shredder provides all the functions to manipulate this files with the configuration data for the engines Endgame databases Opens the dialog with the settings for the endgame databases Opening Book Submenu The opening book of Shredder is stored in a tree with positions The included opening book contains about 20000 moves and was manually edited by the Italian opening book expert Sandro Necchi The opening book takes care of move transpositions New Opening Book Creates a new empty opening book The file extensions of the Shredder opening books is bkt Load Opening Book Loads an existing opening book in Shredder There can only be one book loaded at the same time Import Opening Book Imports an existing opening book in many supported formats into the currently loaded opening book Import Games It is possible to import the moves of games from PGN or CBF da
30. e the current database you can do so by clicking on Change DB KS To save the game in a new database just enter a new name for the database in the file dialog Here you find more information how to load and save positions Loading games To load a game from a database choose File gt Load game from the menu or use the shortcut Ctrl L If no current database is set you have to choose one with the file dialog A list of all games in the database will be shown The following data is displayed white black source round ECO code result Select one game with the mouse and click on Load to load the game You can also double click on the name to load it After loading one game from a database you can load the next and previous game in the database by pressing F7 or F8 With the mouse you can use the Load Previous Game and Load Next Game buttons in the toolbar Replacing games You can replace the last loaded game with the Replace Game menu item form the File menu You can also use the shortcut Ctrl R KS You cannot replace a game after a new game has started a position was set up or a position has been loaded Deleting games You can also delete games in a database This works similar to loading games The command Delete Game from the File Menu opens a list with all games in the current database Choose one game and Click on Delete to delete it KS Games in CBF databases are not physically deleted but are only marked as delet
31. ealing with the opening book in Extras gt Opening Book and in the context menu of the book moves window The opening book in Shredder is saved in an opening tree The included opening book contains ca 20 000 moves and was carefully edited by the Italian opening book expert Sandro Necchi The book takes care of move transpositions For every position in the opening book many additional information will be displayed in the moves window The following information is shown Move in this column all the moves in the book in the current position are displayed Prob shows the probability for Shredder playing that move in percent N shows the number of games played with that move in this position shows the success of this move Elo shows the average strength of the players who have played that move Perf shows the elo performance achieved with this move Year shows the average year in which this move was played shows the number of won drawn and lost games with this move KS Hint You can sort the entries by clicking on the header of each column You can edit and extend all books in Shredder and also create your own book There is no size limit the opening books in Shredder With the Online button at the bottom of the book moves window Shredder can directly access a huge online opening book with 16 million moves Your computer needs to be connected to the Internet to use this feature 42 New opening book Creates a new initially
32. ed They will be shown in a grey color in the game list Searching for games You can search for games in databases Click on the Search button in the game list to open a search mask You can search for the following information the name of the players event site round result 29 e year e elo numbers e opening If you are searching for a certain player you can also restrict the search to either white or black There is no difference in entering uppercase of lowercase names The search text also need not be complete If you for example are looking for the player stein the games of Steinitz but also of Bronstein will be found You can switch the search mask on or off with the check box at the bottom of the window KS Searching for positions and moves is not possible Commenting games With Shredder you can add comments and different lines alternative moves to a game To enter or edit comments choose Enter Comment from the context menu of the notation window You can enter text comments as well as special symbols for moves and positions Entering lines If you are entering a new move via mouse or keyboard when replaying a game a dialog will appear asking whether you want to add the new move as a newline You have the following possibilities Click on Yes to add a new line Click on No to overwrite the move from the game You can force a new move as a new line by making the move with the alt key pressed If y
33. ed functions Double click In many windows you can access important functions by double clicking in the window Double click on the chess clock Opens a dialog for setting the chess clock Click in game notation Jumps to the specific move of the current game Double click in game notation You can enter a comment for every move or position in a game A double click on a move opens a dialog to enter a comment for that move or the position after that move Double click on the game header Opens the dialog for editing the game header Double click on the engine name Above the analysis window you will find the name of the currently loaded engine By double clicking on the name you open a dialog to change the engine Click on expected move Above the analysis window on the right side you see the expected move of the engine when it is your turn to move Click on this move to execute the move on the graphical chess board Toolbar Below the main menu you see the toolbar of Shredder The tool bar gives you quick access to many common commands of Shredder 10043100 o BOY PFHbszE GOOG000 ad By right clicking on the toolbar you can change the size of the icons and show or hide groups of icons When you move the mouse on an icon and pause for a moment the function of the button is displayed Shortcuts Many functions of Shredder are easily accessible via the keyboard You just have to press some specific keys Those key combination
34. ed with standardised dialog masks Neither basic nor engine specific functions need external configuration dialogs e UCI engines have access to all functions of the Shredder interface KS You can find the documentation of the UCI protocol at www shredderchess com If you want to write your own UCI chess engine Shredder offers two features which make things easier In the command line you can switch on or off a debug mode by typing ucidebug In debug mode all communication between the GUI and engine is displayed in the analysis window With ucilog you can switch on and off that Shredder will write all communication in the file ucilog txt Both functions are disabled when starting Shredder Winboard engines Besides the UCI protocol Shredder is also supporting Winboard engines The communication with Winboard engines is via a converter It is recommended to use UCI engines instead of Winboard engines in Shredder if you have the choice Engine options UCI engines can have engine options which allow changing certain parameters in the engine They can be easily modified in the integrated dialog box Some possible options are e the evaluation of every piece the evaluation of king safety selectivity draw value learning The engine option dialog varies from engine to engine Here are the details for the Shredder engine Engine in Shredder are represented by a file with the extension eng You can modify the options of any
35. eep Hash Tables Shredder is never clearing his internal hash tables gt this is good for games and analysis Position Learning Shredder remembers positions he has already analysed and played With this option Shredder is trying to learn from his mistakes Prefer Open Positions The program prefers open positions This may not always result in the best absolute move being selected but rather the move that is most difficult for the opponent to play against Use Tablebases Set how Shredder is using the Nalimov endgame databases in its search Never Shredder never accesses the endgame databases Late Shredder accesses them late and will not be slow down much Normal Shredder accesses them reasonably Early Shredder accesses them early and can sometimes be slow down a lot 36 Use Shredderbases Set how Shredder is using the Shredderbases in its search Never Shredder never accesses the Shredderbases LikeTB Shredder accesses them as often as the Nalimov endgame databases Normal Shredder accesses them almost everywhere Always Shredder accesses them everywhere Draw Score This specifies how Shredder is evaluating a draw If the value is below 0 Shredder is playing to win if the value is greater 0 often a draw is good enough Clear Hash After clicking on OK the internal hash tables are cleared This option helps to get reproducible results Clear PosLearing Clears the file with all learned data from the hard disk Sh
36. egister won t appear any longer Contact You reach the homepage of Shredder in the internet at www shredderchess com and www shredderchess de Stefan Meyer Kahlen Shredder is a series of chess programs by Stefan Meyer Kahlen Stefan Meyer Kahlen works on Shredder since 1992 Since 1996 Stefan Meyer Kahlen with his computer chess program Shredder has already won nine titles as World Computer Chess Champion 1996 World Micro Computer Chess Champion in Jakarta 1999 World Micro Computer Chess Champion in Paderborn 1999 World Computer Chess Champion in Paderborn 2000 World Micro Computer Chess Champion in London 2001 World Micro Computer Chess Champion Single CPU in Maastricht 2002 World Computer Chess Blitz Champion in Maastricht 2003 World Computer Chess Champion in Graz 2003 World Computer Chess Blitz Champion in Graz 2004 World Computer Chess Blitz Champion in Tel Aviv 2005 World Computer Chess Blitz Champion in Reykjavik 5 Additionally he has gained further victories and excellent results in important computer chess tournaments such as the IPCCC in Paderborn or the Open Dutch Computer Chess Championships The opening book was made by the Italian expert Sandro Necci and was especially designed to suit Shredder s playing style Using Shredder Menus You can activate Shredder s functions via the menu at the top of the screen The following pull down menus are available File Menu Commands Menu Levels Menu Mode Me
37. empty opening book The file suffix of Shredder opening books is bkt Load opening book Loads an existing opening book Hint there is always only one active opening book Import You can add moves to an opening book by importing other opening books or by importing games in the opening book Import books You can import opening books of other chess programs as well as other opening books of Shredder in the currently loaded book Import games You can import databases in CBF and PGN format in an existing opening book of Shredder These are the options e With import lines the side lines of the games will also be imported in the opening book e Import statistics updates the statistics in the book according to the results of the imported games e Import move attributes imports move comments in the book e The length of the imported games can be set either in absolute plies or in plies after the last found position in Shredder s internal ECO database Import current game Imports the current game in the opening book Count book moves Counts the number of moves in the current book and displays the information in a dialog box Weed opening book Shredder checks the content of the opening book and deletes unimportant moves For example moves which where played in just one game Book options With this function the opening play of Shredder can be influenced You can open the dialog from the context menu of the moves window if it i
38. engine and save it as a new engine Those engines will be treated like real engines in the engine dialog boxes You can test your own settings in engine matches and engine tournaments Install engine Menu Extras Engines This function installs an engine in the Shredder user interface To install an engine in Shredder to the following e Choose Install Engine from the Engines menu in the Extras menu e Choose the engine type in the next dialog 35 e Choose the path to the engine e Set the names of the engine and author After these steps the engine can be loaded in Shredder KS Uninstall Engine gt Removes the engine from the engine dialog A Note When being deinstalled the engine is not deleted from the hard disk Change engine Replaces the active engine with a new one You can call the function from the context menu of the analysis window Add engine Adds another engine in Shredder You can use up to 10 engines simultaneously in Shredder A Note All loaded engines have to share the system resources Close engine Closes an active engine and its search and analysis window Shredder s engine options You can modify the chess algorithms of Shredder and save different styles as a new engine Those modified engines can be used like real chess engines in the engine dialogs KS You can call the engine options dialog from the context menu of the engine window KS Hint The options depend on the active engine K
39. gram is permanently analysing the position but is not playing any move You can enter moves for both sides and can constantly watch the analysis of one or more engines BS CTRL INSERT inserts the main line of the engine in the game notation The analysis mode is the easiest most common and most comfortable method for analysing You can use up to 10 engines parallel in this mode In analysis mode you can assign a value to each position of the game being analysed Simply right click in the engine window and select an entry from the Set Position Value sub menu Shredder will not question this value and will use it for his analysis of the game This way you can help Shredder if you know that a position has a certain value and Shredder has problems recognizing this However be careful not to enter wrong values here as these will have a negative effect on the analysis Multi Line analysis When analysing a position Shredder can not only search for the best move but also analyse any number of moves By pressing F6 you can increase the number of moves to analyse The program will display a list of the best moves found together with the evaluation and main line You can decrease the number of moves again by pressing F5 Both commands are also available in the context menu of the search window The bigger the number of moves to analyse the slower the analysis will be Therefore you should disable the multi line analysis If you only want to know the
40. h the mouse Adjacent windows will be automatically resized as well You can avoid this by keeping the alt key pressed when dragging a window with the mouse There are several predefined layouts that can be activated in the menu Windows gt Window Layout Chess board The chess board can be displayed in 2D or 3D graphics To toggle between the two displays either type Ctrl 3 use the menu Window Layout gt 3D Board or click on the 3D symbol in the toolbar The size of the chess pieces will automatically adapt when you resize the chess board The colours of the 2D chess board the 2D pieces the text and the background can be changed with the menu Windows gt Design gt Colors The coordinates labels of ranks and files on the chess board can be hidden with the Coordinates command from the Options menu F12 Here you can also specify if the pieces slide slowly or jump instantly over the board The computer s last move is marked on the board with a coloured frame As soon as the mouse cursor is moved over the board the frame is removed 17 KS You can change the components quickly by using the commands F3 Change Pieces and F4 Change Board It is also possible to access these commands with a context menu by right clicking on the board Chess clocks You can choose how the chess clock should be displayed A right click in the chess clocks opens the context menu Single A simple display of the chess clock with the times
41. he way to the right you have not set Shredder to play with his full strength To do this you have to deactivate this option Mode Menu Analysis Starts the background analysis of the program In this mode the engine is not playing any moves When entering moves or replaying games the engine permanently displays its evaluation of the current position and more info about the search process in the analysis window Play against Computer In this mode Shredder plays its moves according to the set level Enter Moves In this mode you can enter moves or games in the program Shredder is not playing any moves himself and no thinking information will be displayed Shootout The program is playing against itself You can use this mode to let Shredder finish a game for both sides from a given position Triple Brain The Triple Brain is a new and unique concept to combine the strengths of two different chess engines Two normal chess engines are analysing a position and a third program determines which move alternative is the best In Shredder this module is called Triple Brain In his own engine window the Triple Brain shows an evaluation value between 0 and 100 This value indicates how sure the Triple Brain is when choosing a move Analyse Game Shredder can automatically analyse the current game and search for mistakes See here Analyse Positions Shredder can automatically analyse all positions in an EPD PGN or CBF file For every position on
42. herwise the legal moves will be shown If you click on a move the move will be executed on the chess board If the moves of the opening book are displayed you can change the value of the move in the opening book by right clicking on the move Histogram The histogram shows the evaluation of Shredder as well as the time used per move during the game With the histogram you can for example see precisely where mistakes happened in the game An advantage for white is shown at the top an advantage for black at the bottom Green means advantage for Shredder red for the human player The black and blue lines show the time used per move By clicking into the window you can directly jump to that specific position The x axis shows the moves of the game the y axis the evaluation and the used time 19 blue line time used by white black line time used by black green Shredder is better red human player is better line below the x axis black is better line above the x axis white is better blue mark at the left side of the window the moves were played out of the opening book blue mark at the right side of the window shows the scale of the window Shredder automatically creates a histogram for a game without data for the histogram Load this game and simply select Make Histogram from the context menu of the histogram Shredder will start generating the histogram The longer he can calculate the better and more exact the histogra
43. if you are asked answer the question with No if you would like to create a text book e Shredder will create a book with the name shredder pbk in the Shredder directory e Rename the book to book pbk and copy it to the Pocket Fritz directory on your Pocket PC 46 e To use the book with the Shredder engine just activate the Engine Book option in the Book Options Dialog E Pocket Fritz i mn i i ii Beh Datei Bearb 4 D HOE Endgame databases TableBases Shredder can access the endgame databases developed by Eugene Nalimov The information from the endgame databases are used by Shredder when calculating a move and help Shredder to improve his endgame play The Nalimov endgame databases are available free on the internet The endgame databases are huge databases containing all positions up to 6 men For all positions the exact value of this position is stored If a position is won the exact number of moves until mate is stored allowing a chess program which uses the tablebases to precisely evaluate many positions with just a few pieces left on the board Shredder can directly access a huge online endgame database in the Internet where all available endgame databases with 3 6 pieces are stored Simply click on Online in the moves window when it is set to endgame databases KS If you are accessing the Internet via a proxy and Shredder doesn t recognize this automatically when using the online endgame database you can
44. ine Options isini rna a ea aa aS OESIE CEEE nn nn cnn nn rr ENESE cnn narran nr rancia 36 EN MA eta 38 Engine toun aMENL bai ae ieee 40 OPENING Book Sii a 42 The Opening Dookie rE EEE EEEE EE a ita 42 New opening DR e rerrire 43 koad OPENING BOOK coc raras see EREA ES ES OEA ES ESE EREET EEE ER eres reverence 43 MM e 43 GOUNt DOOK MOVES iran aN Sa Aa aa A aa a aaa DiR 43 Weed opening DOoKkieat nana ea ea e a erie a a a aa a a 43 BOOKOPIONS A O Erin 43 B k MOVES COMMENTS meaho 45 BOOKMOVESV O NO 46 Opening books for Pocket FritZ oooonccnnnnccnnncccccccnnnccnnnnnonnncnnnncnnnnn nn nn cnnn nn conan n rn cnn nn r rra nr rn cnn 46 Endgame databases aaa aaa 47 Table A e eat anne ed Ta A 47 Path to the endgame databases ooooococccccnnccccononooonccnnncconnnnnnnnncnnn cnn nnnnn nn nn nn nn n rn nn rn anne n rn nn rn nn n ra nnnnnrnnn 48 CANES AAA 48 Installable BaS S ca 48 SNEAUEDASCS mys tit A ean eon A ten a E N a a 49 Endgame OraclO coootosrnrantt tanta tas idad dano meee ett 49 Define A POSITION ete ri 49 Information from the AAA e 51 Analysing wit the Oracle tiritas lle 51 O OS 51 FAO untada AS thee tO ele cesto rrsleL ito 51 PAULO LIL esca 51 A ketal AE E EAEE AREE EEEE EIE E A deed ceed AE veut veut aat E E 52 Databases File forMatS ccooccccccccnnccnnncncnnononnnanonononnnnnnnnnnnnnnnn nana annan naar AAEE nn nan nn ana nana n cnn arc nn cannnnanns 52 RermanentDral ett 53 EU dd do 53 ElSChercloc el Ret 54
45. ines Shredder should investigate A are the most and None the least Forward Pruning 0 5 Sets how many plies Shredder should cut senseless lines Selectivity Sets how many plies Shredder should follow promising lines At 3 2 and 1 this value is set automatically 1 the least 2 the most 3 is in between From 0 99 you can directly set the value in plies Weights for the evaluation parameters You can set the weight in for the most important evaluation parameters in Shredder King Safety Sets the parameter for king safety Center Control Sets the parameter for center control Pawn Structure How should Shredder evaluate certain pawn patterns on the board Passed Pawns If for example you think that Shredder is over evaluating passed pawns you can set this value to 90 Bishop Pair How much should Shredder evaluate the bishop pair Time Usage With bigger values Shredder is playing slower but will certainly obey the time controls Knowledge or Speed With smaller values Shredder s evaluation is faster but not so precise Threads only Deep Shredder Sets the number of processors Shredder should use on a multi processor machine The more processors Shredder is using the faster and more efficient he can calculate Engine match You can run automatic test matches with different engines in Shredder 38 This can be used for testing e modified chess engines e external UCI or Winboard engines e of own opening
46. is measured in plies A ply is one move from either white or black Thus each move consists of two plies Clipboard The clipboard is a tool in windows to exchange data between two programs Shredder is also supporting the clipboard You can exchange games in PGN format and positions in EPD format with 54 other programs via the clipboard This is done with the Copy and Paste commands from the Commands menu You can also copy the current game in a plain text format to the clipboard 55 Index 3D board 22 add engine 36 analysing games 33 analysing many positions 34 analysing mode 25 analysing positions 10 analysing with the oracle 51 analysis mode 33 analysis window 20 author 5 autoplayer 51 blitz 9 book moves value 46 book options 43 cache 48 capture moves 24 CBF 28 change engine 36 chess board 17 chess clocks 18 clipboard 54 close engine 36 coach 11 command line 23 commands menu 8 comment book moves 45 comment games 30 contact 5 context menu 14 count book moves 43 current line 20 databases 28 define position 49 delete games 29 design 12 design layout 24 different material 22 double click 14 ECO 53 edit lines 30 endgame databases 54 endgame oracle 49 engine file 11 engine match 38 engine matches 10 engine options 35 36 engine tournament 40 enter lines 30 enter moves 24 enter position 26 EPD 31 EPD dialog 30 evaluation 20 extending book 43 extras menu 11 file formats 52 file menu 6
47. is next It is separated from the board description by one space character and consists of w or b indicating White or Black to move Next are the castling rights again separated by a space Q indicates that white can castle queen side K that he can castle king side The lower case letters are used if black can castle If neither side can castle at all only a hyphen is used Finally the square on which a pawn can be captured en passant is given in algebraic notation If white is to move this string can only be a5 b5 c5 etc or a hyphen if no pawn can be captured en passant Likewise with black to move this string must be a4 b4 c4 etc or a hyphen Here s an example of an EPD position 8 2p5 7p pP2k1 pP 5pP1 8 1 P2PPK1 8 w id BS 06 c0 f2 f3 wins Permanent brain Permanent brain is the name given to the function that a computer thinks during the opponent s time Essentially a chess engine will try to guess what the opponent is going to play and prepare a reply before he has finished thinking about it If the opponent plays the move that the computer expects the computer may reply very quickly or even immediately If the opponent makes another move the computer will have to forget its permanent brain calculations and start thinking about its next move again This is the reason why Shredder will sometimes reply instantly even on slow playing levels You can watch the permanent brain calculations in the engine window
48. ll be removed from the list of moves to analyse Compared to a normal analysis the program can search faster as not all moves need to be examined However it is up to you to pick the right moves for analysing Similarly you can enter a move with the Shift key pressed to exclude the move from the search You can use this feature if you do not like the best move suggested by Shredder Analysing positions Shredder can automatically analyse all positions in an EPD file For all positions in the database a solution should be defined After the analysis the program will display statistics of the found solutions To stop analysing the positions in the database just chose any other playing mode from the Mode menu KS For analysing EPD files the level exact time per move is well suited Multi Engine System Introduction Shredder was designed as a multi engine system This means that the user interface and the chess engine are strictly separated They communicate via a specially designed protocol This way you can use different chess engines in one user interface Shredder supports two different chess engine standards e UCI engines e Winboard engines UCI engines UCI stands for Universal Chess Interface lt was developed by Stefan Meyer Kahlen and Rudolf Huber and is similar to the Winboard interface but has numerous advantages 34 e UCI engines are automatically detected and installed by Shredder e UCl engines can be configur
49. m will be To get a quick overview of a game a few seconds are usually enough This data can also be copied to the game notation from the context menu Note that the data for a move will only be copied if the move has no text comment yet Search information In the search information window the chess program is showing information about its analysis If you have loaded more than one chess engine every engine will get its own information window Engine is calculating e Name of the active chess engine Currently examined move Search depth brute force selective move time evaluation of the position examined positions per second usage of the hash tables User is to move e Expected move Useful for understanding the main lines is the main line window It can be opened by pressing F11 when the chess program is calculating Analysis window In the analysis window information about the engine s search process will be displayed In every line you see the following data search depth time evaluation best line so far number of evaluated positions number of the evaluated positions per second 20 2Nc3 180 Depth99 0 02min 4058 185knfs 918 0 01 4 29 1 NfS NE 2 Nc3 Ncb 3 d4 db 4 e3 B6 5 Bc4 293 485 177 10 20 0 05 49 14 1 Nf3 NG 2 d4 d5 3 Bf4 Bf 4 e3 Nc6 5 Bd3 Ne4 6 Bxe4 Bxe4 1 033 316 182 10 21 0 08 H1 15 1 e4 Ncb 2 Nf e5 3 d4 exd4 4 Nxd4 Nxd4 5 Qxd4 NG 6 Bg5 d6 1 481 016 183 10 23 0 10 40 17 1 e4 e5 2 N
50. me databases 48 e Click on OK Note You can only copy the whole CD on the hard disk If you would like to copy only a subset of the files you have to do this manually Shredderbases Shredderbases are new strong compressed chess endgame databases In chess endgame databases a value for each chess position is stored which indicates if the position is won draw or lost Even with very few pieces left on the board these databases get very big because of the many possible combinations However with the information from the database the program plays those endgames perfectly All 3 and 4 men endgames are just 1 MB in the Shredderbases All 3 4 and 5 men together are 157 MB In the widely used Nalimov endgame databases the comparable size is 7500 MB This extremely good compression allows it to always load the Shredderbases into RAM which makes accessing them about 1000 times faster than accessing the Nalimov endgame databases Shredder can now access the endgame databases much more often with hardly any delay Because of this Shredder s playing strength and analysis capability get a huge boost in certain endgames The Shredderbases work fine in combination with the Nalimov endgame databases In the search the Nalimov databases are no longer accessed when the corresponding Shredderbases are installed When the position on the chess board is already in the database Shredder will access the Nalimov databases as the Shredderbases only store if a po
51. nd both players have 6 minutes left on the clock You are winning and want to switch to 40 5 With out this option both players would still have 6 minutes left with this option both would have 2 minutes left Flag If you or Shredder have spent all their time on the chess clock a dialog will appear Usually the game is lost for this side but you can switch off this feature Show All Principle Variation The program displays all calculated principal variations in the analysis window By default only the lines after about one second will be displayed 15 Show Current Line In the analysis window the line under evaluation is updated once each second Etiquette Shredder can resign games and offer accept draws This will also happen in engine matches and tournaments if this option is enabled Evaluation for White The evaluation of the engine for a position is always from white s point of view Otherwise it is from the engine s point of view Long Notation Long algebraic notation is used Auto Flip Board In engine matches and when starting a new gane the board is flipped automatically Auto Save All games will be saved automatically in the file autosave pgn Automatic Updates You can tell Shredder to automatically look for updates in the Internet on www shredderchess com If this option is activated Shredder will regularly check if a new version is available for download If so this version will be automatically installed on req
52. nu Extras Menu Windows Menu Help Menu Some menus contain sub menus with more commands You can also call many functions from the context menus by right clicking in a window File Menu New Game Starts a new game with the last settings e g playing level New Rated Game Opens a dialog where you can start playing a rated game against Shredder In rated games Shredder can calculate the Elo performance of the players At the top of the dialog you can see your current rating in Elo It is not allowed to take back moves in a rated game New Shuffle Game Starts a new game of shuffle chess In shuffle chess the initial position of the pieces varies in every game In contrast to normal chess you don t need so much opening theory in shuffle chess Load Game Shows a list of the games in the active database To load a game double click on its entry in the list Save Game Saves the current game in the active database Enter the names of the players the tournament the venue the result etc in the mask If you enter the complete data it will be easier to find the game later Hint Take care to enter names always in the same way If you for example enter games of Gary Kasparov with Kasparov and later with Kasparow the search functions of the program won t be able to find all games of the player in the database Replace Game Replaces a game in the database with the current game Delete Game Deletes a game in the database Load P
53. o combine the strengths of two different chess engines It will combine those two engines automatically to get the optimum for analysing The normal chess engines are analysing a game when a third engine will decide which move or analysis is better That third engine is called the Triple Brain in Shredder In its own search window the Triple Brain will display a value between 0 and 100 This value will indicate how sure about its choice the Triple Brain is Example 0 means that the Triple Brain sees no alternative to the move or doesn t really know which move is better 100 indicates that one move is clearly superior For the Triple Brain to work best you should combine two engines with about equal playing strength but different playing styles 32 Note You can modify the Shredder engine and create your own engines which will differ in their style The time management will also be done by the Triple Brain in case you play games with it Information in the Tripe Brain window 10 3 1 44 10 2 Bg2 Shredder 5 55 the search depths of both engines the search time value in percent that represents how sure the Triple Brain is with his move choice the best move according to the Triple Brain the name of the engine who s move is chosen The hash fill rate and the nps are the average values of both engines Analysis mode With Ctrl A or Analysis in the Mode menu you can switch on the analysis mode In the analysis mode the chess pro
54. ose Dump File form the menu You can also copy the analysis in the clipboard Right click Copy copies the whole content of the window in the clipboard Right click Copy Last Analysis copies the analysis of the last position in the clipboard Status bar In the status bar at the bottom of the program window the following information will be displayed e side to move white or black e status of the program thinking pondering analysing waiting e the current playing level 21 Title bars In the title bars of the windows important information will sometimes be displayed for example the current score in engine matches 5 Bg7 0 36 11 10s x You can switch the title bars on or off with Windows gt Design gt Window Title Bars or with the shortcut Shift F3 3D board You need at least 256 colors for the 3D board There are different pieces and chess boards for the 3D display You can switch the pieces with F3 and the boards with F4 the board can be dragged with the mouse e to move the board click on the top or bottom border of the board and drag the mouse e to resize the board click on the left or right border and drag the mouse e to rotate the board click on one of the four corners of the board and drag the mouse You can also use the numeric keyboard to modify the 3D board The cursor keys move the board HOME and END change the size of the pieces Material difference Below the notation window you
55. osition Loads a position from an epd file Shredder offers a dialog for handling epd files which contain many chess positions Save Position Saves the current position in an epd file Recent Files Shredder remembers all recently opened files Click on an entry or press Ctrl X to reload the marked file Edit Position Opens the dialog for setting up a position The current position on the chess board appears as the default position To enter a piece click on the desired piece on the right of the chess board The mouse pointer will change to that piece and now you can click on any square to place the piece on that square Print Game Prints the current game Print Position Prints the current position on the chess board Exit Quits Shredder All settings will be saved automatically and will be reloaded again at the next program start Commands Menu Compute Switch Sides Starts the engine to calculate a move During a game this can be used to switch sides Interrupt Interrupts the calculating process of the engine Shredder plays the best move found so far This command is only possible if the engine is calculating Copy Copies data to the Windows clipboard You can copy the current game in PGN format the current position in EPD format the content of the analyse window the last analysis or the game notation to the clipboard You can use this to exchange data with other windows applications like text processors Paste Impor
56. ou make a move with the alt and ctrl key pressed the game move will be overwritten without confirmation In analysis mode you can enter the main line of the program as a line to the game by pressing Ctrl Insert or choosing nsert Main Line from the commands menu Editing lines You can delete lines change their order or cut lines e To delete a line go to any move in the line and press DELETE e To move aline up press CTRL CURSOR UP e To delete the rest of the line go to the last move you would like to keep and press CTRL DEL You can also execute all those commands from the context menu of the notation window or from the command menu EPD Dialog Shredder offers a preview dialog for easy handling of chess positions stored in an EPD file You can open the dialog by clicking on the Load Position button in the toolbar or with the Load Position command from the file menu After opening an epd file you will see the following items in the dialog Preview chess board On this board the marked position from the database will be shown Listview window Here you can see the epd string describing the chess position By clicking on a string the position will be shown on the preview board 30 Load Position C temp WAC EPD By Tp LD Fpl PYF oPK2 PI RaP 5rk1 1 ppb3p p1 pb4 6q1 3P1p11 2P1R2P 1 bq2rk pp3pbp 2p1p1pQ 7P43P4 2PB1N2 5k2 6pp p1 qh 4 1 p1 p4 3P4 2PKP20 PP3r 7k p 7 1R5K 6r1 6p1 6P1 78 8 w bm Ab mbgqkb1r pppp1 ppp 8 4P3
57. r To add a comment to a book move right click on a book move in the moves window The following dialog will appear Edit Book D Books shredderclass 1 e2 e4 Delete Move Attribute ll 1 El T Comment This is the most aggressive move In the comment text field you can now add any text comment The comments will be displayed in the moves window if the book moves are shown 45 KS Text comments will be saved in the file shredder bkc The comments are independent of the currently loaded book Book moves values You can assign a move value a g to each book move which influences the probability of Shredder to play a move out of book Edit Book D Books shreddercle 1 e2 e4 Delete Move Attribute ll l 1 al i Comment This is the most aggressive move Cancel A moves will be played more often e moves seldom and f and g moves never See also here Book moves can also have an attribute like or but those are only for commenting the book moves Opening books for Pocket Fritz If you own the program Pocket Fritz for Pocket PCs you can convert opening books to the format of Pocket Fritz and use those books on your Pocket PC Those pbk books can also be directly accessed by the Shredder chess engine Here is what to do e Load the opening book in Shredder e Select Export Opening Book from the extras menu opening book and
58. redder is loosing his learned knowledge Engine Options Deep Shredder 9 UCI Keep Hash Tables Forward Pruning 25 M Position Learning Selectivity Prefer Open Positions Draw Score 0 Use Tablebases Normal Clear Hash Queen 100 a Clear PosLearning Queen Endgame 100 King Safety 100 Rook 100 Center Control 100 Rook Endgame 100 Pawn Structure 100 3 Bishop 100 Pawn Structure Endgame 100 Bishop Endgame 100 Passed Pawns 100 Knight 100 Passed Pawns Endgame 100 Knight Endgame 100 4 Bishop Pair 1004 Pawn 100 Bishop Pair Endgame 100 Pawn Endgame 100 a Time Usage 100 4 Style Intelligent Knowledge or Speed 0 Combinations All v Threads 2 Default Modify Engine Create Engine Cancel Values for the pieces 37 Specifies the value of the pieces in The default value for all pieces is 100 For example if Shredder is sacrificing too many pawns you can set the value for pawns to 110 If you set the value below 100 Shredder is more willing to sacrifice pawns You can set the values for all pieces depending on the game stage Settings for the search not Shredder Classic Style Intelligent Aggressive Active Normal Solid You can specify how much Shredder should cut his search tree ntelligent is cutting the most Solid the least Combinations All Most Some None You can specify how many tactical l
59. redoing moves e to take back the last move press CURSOR LEFT e to redo a move press CURSOR RIGHT e with CURSOR UP you can take back five moves e with CURSOR DOWN you can redo five moves Jump to the start if a game Press HOME to jump to the start of the game Jump to the end of a game Press END to jump to the end of the game J adoube If you have entered a wrong move you can take it back with the red arrow in the toolbar Lines To replay lines use the buttons with the arrow pointing up and down KS You can directly jump to a position by clicking in the game notation Playing Levels With the different playing levels you modify the strength and time usage of the chess program You can set the level in the Levels Menu Analysing mode In the analysing mode there is no playing level set as there is no time limit If you set a level in the analysing mode the playing mode will switch to normal By pressing Ctrl A or choosing Analyse form the Mode Menu you switch to the analysing mode 25 In the analysing mode the chess program is permanently analysing the position but does not play any move You can enter moves for both sides and watch the analysis of the engine in the search information window You can execute the best move of the engine by pressing INSERT The analysing mode is the easiest and most comfortable way for analysing games KS With CTRL INSERT you can add the main line as a comment to the game Position setup
60. rs on the right of the move window You can use it to view the whole game The game details are displayed at the top of the move record In the first line the players are shown Comments can be entered or edited using the Enter Comment command in the right click context menu or pressing Ctrl M KS Clicking a move will cause the board to jump to that position A right mouse click on the notation window will provide a menu of useful commands and shortcuts Moves window By right clicking in the moves window you can choose which information will be displayed e Moves from the opening book including many statistics e All legal moves as well as optionally their refutation from the chess engine and the order in which the moves are examined by the program Please note that the chess program is often not displaying the best refutation for a move but a refutation that is good enough to prove that the move is inferior The lines displayed should therefore be taken with caution but they don t cost any additional cpu time for the engine e Information from the endgame databases Here you will also find a button labelled Online You can query the online endgame database of Shredder with the current position by pressing this button In Automatic Mode the display will switch automatically If there are moves in the book the book moves will be displayed If the position is in the endgame databases the info from the database will be displayed ot
61. s are called shortcuts or hotkeys 14 In the menus next to the name of the functions you will often find the shortcut for that function If you for example want to start a new game you can also do this by pressing Ctrl N Options Dialog In the options dialog you can change the most important settings of Shredder You can open this dialog by choosing Extras gt Options in the main menu or by pressing the F12 key Animation Speed 33 Announce Moves JV Fast Mouse Input J Adapt Time Flag Move Sound J Show All Principal Variations Y Show Current Line Coach J Etiquette Threshold 75 I Auto Save Time 23 Automatic Updates Endgame Databases a Language English y Book Options Engine Options Cancel Coordinates Switches the display of the coordinates on the graphical chess board on or off Fast Mouse Input If only one piece can move to a specific square you can enter this move by just clicking on that square Example If you click on the square e4 in the initial position the move will be executed Similarly a click on a piece with just one legal move is enough to execute that move If this option is disabled you have to click on the start and target square to enter a move or drag the piece to the target square with the mouse Adapt Time If you switch the playing level in a game the used and remaining time on the chess clock will be adjusted Example You play 40 15 a
62. s currently displaying book moves or by pressing Ctrl O Use Opening Book Defines if Shredder is using the opening book Use Engine Book Activates a special opening book of the chess engines which is used by some engines In the Shredder engine the opening book is handled by the GUI therefore you cannot activate this feature with the Shredder engine Book Mode 43 You can assign a value from a g to every move in the book a moves will be played often e moves seldom and f and g moves never In tournament mode Shredder is only playing a c moves if there are some In standard mode he is playing a d and in wide mode also e moves Book Learning With book learning the program remembers whether the position after the book was good or bad and is trying to repeat the good ones Result Learning With result learning the program remembers the results of the played games and is trying to repeat the successful opening lines Move Values When selecting a move from the book Shredder obeys the a g value for every move Use Statistics Shredder uses the statistics in the book when selecting a move from the book Refutations Takes care of possible refutations in the opening book Example A move was played 1000 times and has a winning chance of 60 but almost all of the last games were lost So probably a refutation was found Shredder discovers that and is correcting the winning percentage for this move automatically
63. s in the Castle section e You can move the current position by clicking on left right up or down e With vert and horiz you can mirror the current position Adding a piece Click on the desired piece next to the chess board You can also choose a piece with the mouse wheel Edit Position xi Castle TF White 0 0 TF White 0 0 0 l Black 0 0 l Black 0 0 0 Side to move C White e Black Startposition Curr Position Cancel GK Shree D Homee The mouse cursor will show the selected piece over the chess board Click on the desired square with the left mouse button to place the piece there Clicking with the right mouse button will place a piece of the other color Removing a piece Double click on a square to remove the piece on that square You can also click on the piece with the middle mouse button Removing all pieces Click on the button labelled Clear Board Undo all changes Click on the button labelled Curr Position OK button inactive The OK button is inactive if the position on the board is not legal Verify the position on the board and also check the side to move Click on Cancel the leave the dialog without saving the changes 27 Six buttons e You can move the current position by clicking on left right up or down e With vert and horiz you can mirror the current position Castling rights Here you can define which castling move is still legal in the position on the board If
64. sUeuswauatewalieubuieseileueieseleuedakelakasakeadeadadedededetacedededecedededecedacaadsevesanesiene s 20 Analysis WINGOW spissene ea lets na Ea ate lstelarssats ate stesanassesisacststanasstauaialerasetar tala 20 SLALUS DAN esr Rane E EERE 21 A ree eeveliade lawaliadelaeselesecesasesecesasesecesacesecetecesecetesesecnietele 22 SD DOA as tee cet ee ee a eb a ee ea De a a a De a De a Rein Dea Wea Ree We a Pee Sessa ce Qe ceeaenecenecenesenecenecenececebabers 22 MEC IEA EERE EERE KEREEE 22 Main ine WINGOW AAA vesadseataiassssssasssassrasaassaaraeadaiaraes 23 Command INGA stestsleesleestacetacatavelacetacatacatacetacasasatacesaselacasadalacasasasaseesceseansacesacnsaceseaasaceseaasaceseanentags 23 Design WindOW Lay OUt sivccdscctesstsesdeeadsesteantvesdusedsaedeanbuaedssaasvasececacazseeasiacscecaeazsaaassasacasaransasanansees a 24 AA O 24 AE e 24 Entering MOVOSisic sessetesscciecegstepensssdcieceastepsesaseciscegsesseagsecnsceaaiepasageyeisenaadapaeagesadnaudesnpenageyasbns sees 24 Newgamo e a ek Pe Ped dd ea cee ae ae cece aac cece 24 Special MOVES tada de 24 Shredder 1S think ata 24 End Ol alm Gece tet ce os wit ett ences el ell tele 25 Playinga with DLA CK sts 02 thot A A a oor eee EE 25 Replaying MOVES ut ada 25 Playing Levels woes 2rd e seat at et ttce eters tt ad ad 25 POV SIM GM OCS as 2h oe 2 cect ce oe ott do 25 ROS SOLO cette E 7 26 Adding a PISCO ia A eaters 27 Removingia piete aida 27 Removing all PISCO ao e ce er ee 27 MOAI
65. see the display of the difference of the material of both sides on the chess board EA 4 In this example white has a rook and a pawn for a bishop and a knight You can switch the display off in the context menu of the notation window 22 Main line window The main line window is a useful tool to display the current main line or principal variation of the chess engine This window can only be shown when the engine is currently thinking on a position Press F11 or Commands gt Show Main Line to open the window in this case The window will look like this Show Main Line Xx 1 Nc3 d5 2 NF3 NIG 3 d4 Bf5 4 63 e6 5 Bd3 Bxd3 6 cxd3 Activate Automatic to automatically see the current main line The four buttons have the following meaning jump to the beginning of the main line take back the last move of the main line redo the next move of the main line jump to the end of the main line with Update you can get the current main line of the engine OK closes the window Command line You can enter moves in Shredder with the keyboard using either long or short notation When you start typing the command line window will display automatically to allow you to verify your input Examples e2e4 d4 23 Nf3 b1c3 0 0 Design Window Layout The commands for Design and Window Layout can be found in the Windows menu There you can change the layout and design of the Shredder windows according to your preferences
66. sition is won draw or lost and not the number of moves until mate All Shredder versions are shipped with a database including all 3 and 4 men endgames In Shredder 10 UCI and Deep Shredder 10 UCI you will also get a link to download the Shredderbases with all 3 4 and 5 men Deep Shredder 10 UCI additionally includes a database with all 3 4 and 5 men endgames in 441 MB which can be accessed another ten times faster The Shredderbases will always be loaded into RAM So your computer needs to have free RAM for the complete Shredderbases you would like to use In return the Shredderbases offer many new possibilities when analysing endgames Endgame Oracle A new function in Shredder is the endgame oracle It allows you to access the endgame databases in a way that was previously not possible This is especially relevant to endgame training and chess research A These functions are only available if you have installed and activated the Nalimov tablebases Here s an example We can use the endgame tablebase king knight knight vs king pawn KNNKP to show the possibilities of the oracle Grandmaster Ludek Pachmann wrote in his book Chess Endgame Practice that c5 is the furthest point at which the black pawn must be blocked so that a win by the two knights is still possible Once the black pawn has gone past this line it is impossible to win Is this true Let s test it with the oracle Define a position We will now demons
67. tabases into Shredder You can filter the moves to be imported by the following criteria 11 e Import Lines Side lines from the games will be imported as well Import Statistics imports the number of games played won lost and draws Also the strength of the players will be included Import Move Attributes imports comments of moves into the book The length of the lines be imported can be specified as well Absolute Length defines the half moves how deep the lines should be imported ECO Related Length defines the length of the lines after the last found position in the ECO database in half moves Import Current Game Imports the current game in the opening book Export Opening Book Shredder can export the opening book in a format the can be read be Pocket Fritz See also here Count Book Moves Displays the number moves in the current opening book Weed Opening Book Shredder checks the content of the opening book and less important moves will be deleted Publish Game Here you can tell Shredder to save the game automatically after each move in a certain file You can choose to save the game with or without comments This can be used to publish games live with external tools Endgame Oracle Opens the dialog for the endgame oracle Options You can set the main options of Shredder in this dialog Windows Menu Board Switches the display of the graphical chess board on or off Clocks Switches the chess clocks on or off
68. trate how to use the endgame tablebase king knight knight vs king pawn KNNKP to find out when the attacking side wins 49 Grandmaster Ludek Pachmann thought that c5 is the furthest point at which the black pawn must be blocked so that a win by the two knights is still possible Once the black pawn has gone past this line it is impossible to win We want to check this opinion First of all you have to setup the board position Ctrl D Enter a position with two knights against a pawn The black pawn must be on c4 so that we can see if a pawn that has advanced to c5 can win Using the menu Extras Endgame Oracle or Ctrl F12 we now get the endgame oracle input screen Endgame Oracle Side to move IV White Black Save None C Longest White Wins Longest Black Wins C Draws White mates in E Black mates in Both sides in zugzwang white loses Black loses y I Ignore symmetric positions Edit Position No Pieces All Pieces Cancel Search By clicking each piece with the mouse you can set the different wildcard symbols for each piece This is what each of them mean e asin the picture above anywhere on the board e Arrow Up Down the column on which the piece is standing e Arrow Left Right the row on which the piece is standing Wildcard means that while using the KNNKP tablebases the pieces will be checked for all squares specified by the wildcard For
69. ts the content of the Windows clipboard into Shredder This can be either a game in PGN format or a position in EPD format Offer draw You can offer a draw to the program if it is your turn to move This command is only legal when playing a game You will receive an answer from Shredder whether the offer was accepted or declined Resign You can resign a game when playing against the program Goto Move Jumps directly to the entered move number of the current game Replay game Replays the current game automatically Show Main Line Shows the current main line of the program on a graphical chess board With the buttons you can navigate in the line In automatic mode the line will be replayed automatically clicking on Update gets the latest main line from the engine KS Hint the analysis will not be interrupted Insert Main Line Inserts the current main line into the game notation Insert Best Move Inserts the best move found so far as an alternative line in the game notation Game Details Shows the dialog for entering the game details Game Details 2004 04 19 Result gt e Cancel Levels Menu In the levels menu you can define how much time the players are allowed to use Comparable to a human chess player Shredder plays stronger when it has more time You can choose between some predefined and adjustable levels Blitz Here you can set the time each player is allowed to use for the whole game
70. u to the registration page in the Internet Directly after your payment is received you will get a license code together with your desired registration name You have to enter both in the following dialog Register Shredder Classic i x This is a test version of Shredder Classic you can test for 30 days Please purchase a license code to activate all features For more details see www shredderchess com V Register GUI V Register Engine Shredder Classic Name Code a Pr Purchase Code Homepage Play Demo Register You can choose whether you want to register the user interface the engine or both As the code for the engine and user interface of Shredder is the same it is recommended to register both simultaneously and leave both check boxes activated You have to enter the name and code exactly the same like you have received it with your registration KS Usually you get your code by email It is recommended to enter the code in Shredder via the clipboard To do so mark the code in your email program and copy it with Ctrl C into the clipboard Now click in Shredder in the edit field for the code and type Ctrl V If you have entered a valid code the button Register will be activated automatically If this doesn t happen please check if you have entered name and code correctly After successfully registering Shredder you can use the program unlimited and without any restriction and of course the dialogs asking you to r
71. uest Animation Speed Adjusts the speed how fast the pieces are moving on the chess board If set to 0 the pieces will directly jump from the start to the target square Announce moves The moves on the chess board will be announced The sound files needed for the voice output are not included in the standard distribution By clicking on the Download button they can be automatically downloaded and installed Move Sound The program will play a sound if a move is played on the chess board Coach Shredder will warn you if you make a mistake You can adjust in which situations the coach will warn you Threshold The coach will warn you if your move is more than the selected threshold in 1 100 of a pawn worse than the best move Time Specifies the time for Shredder to suggest a better move Start options KS You can start Shredder with the default settings if you keep the shift key pressed when starting Shredder KS You can avoid that the last game is reloaded if you start Shredder with the ctrl key pressed 16 Screen layout The Shredder screen has multiple elements six windows toolbar and status bar 2 on 34 Os Rd6 4 23m 35 007 235 15 Os Rxdt 2 19m 36 Rxd1 2 2516 446m OcSe 2187 J 37 KM 225 75 0s h5 2 16m Be 38 Bxn5 96 4 55 39 Bg4 2 20014 Os 003 2 35m B5 40 Ret 2 16 13 om Qd3 gt 14m 41 Re2 gt 1842 12m Every window can be closed and opened with a command in the windows menu and resized wit

Shredder User Manual - Shredder Chess

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