comprehensive chess endings - yuri l averbach

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As a result, about 200 examples have been corrected. Since there are over 4,100 examples in total, the reader can judge the work we did in the 1950s and 1980s, when we did not have the benefit of computer assistance. That is why much of the text remains unchanged, and often times, we only needed to supply a few corrections. These are highlighted and marked with the sign RR. Having reached this sign, an interested reader can compare the human investigations with the computer verdict.

FOREWORDby Yuri L. Averbakh

AcknowledgementsFirst of all I would like to remark that the first three-volume edition of Shakhmatnye Okonchaniya, published in 1956-1962, was prepared with the assistance of the Soviet masters N.Kopayev, V.Chekhover, V.Khenkin and the famous endgame theorist I.Maizelis. The first English edition, published in 19831987 by Pergamon Press, was based on the second Russian edition, and was translated by Kenneth P. Neat. The latter was published in 1982-1986 by "Fizkultura i sport". This revision has made use of the endgame tablebases by Eugene Nalimov, the database management system Chess Assistant and several playing programs. I am particularly grateful to the chess staff of Convekta for their preparation of the database, and to the many chess players throughout the world who have offered advice, suggestions and comments on the previous edition. Finally, I am very grateful to Convektas development team for their untiring work on the software.

The first English edition of Comprehensive Chess Endings was published almost twenty years ago. Since then, the rapid proliferation of computer technology has affected many aspects of life. Indeed, chess is no exception to this rule. A computer program has already defeated the world champion, and now computers are infallible in the late endgame, when very few pieces remain. Furthermore, ever faster time controls have led to a drastic acceleration of play adjournments and resumptions are now a thing of the past. Previously, one could adjourn the game and analyze the position calmly, but now play must continue without abatement. This means that a good fundamental knowledge of basic endgames is even more important. The main objective of this new edition is to unite the experience accumulated by many generations of chess players with the latest computer technologies. Thus it is released not as a printed book, but as a software product, and is made in cooperation with the famous chess software company Convekta. Together we have done the following: 1. We have corrected all the previous editions shortcomings discovered by readers. Additionally, two supplementary articles are included, by GM Sergey Shipov and IM Maxim Notkin. All positions with five or less pieces on the board have been verified with the Nalimov endgame tablebases. The most significant changes were made in the two sections: Queen and pawn vs. queen and Queen vs. rook and pawn. All positions with a larger number of pieces on the board were checked by playing programs. Furthermore, whenever an improvement was suggested by an engine, it was verified by a human player. 1

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Contents1. Software License Agreement 2. Introduction 2.1. System Requirements 2.2. Technical Support 2.3. Installation 2.4. Copy Protection 2.5. Quick Guide for Chess Assistant Users 3. First Steps 3.1. Starting the Program 3.2. Browsing the Contents 3.3. List Mode 3.4. View Mode 3.5. Using the Tablebases 3.6. Testing Yourself on the Browser Pane 3.7. Testing Yourself in View Mode 3.8. Active Window, Current Dataset 4. Search 4.1. Header Search 4.2. Position Search 4.3. Material Search 4.4. Advanced Search 4.5. Search for Maneuvers 4.6. Search for Comments 4.7. Combining Searches 5. Commenting 5.1. Annotating Moves 5.2. Adding Variations 5.3. Working with the Clipboard 5.4. Saving a Game 6. Playing Engines and Analysis 6.1. Linking Playing Engines 6.2. Adjusting Playing Engines 6.3. Playing Against an Engine 6.4. Analyzing with Engines 6.5. Using the DGT Board 7. Sets of Games 7.1. Selecting Games 7.2. Classifying Games and Positions 7.3. Operations with Datasets 8. Chess Trees 9. Printing 10. Miscellaneous Options 3 4 5 6 6 6 7 7 8 8 9 10 12 14 16 16 18 18 18 20 22 22 23 23 23 25 25 26 27 28 28 28 29 29 30 31 31 31 32 35 35 38 40

1. SOFTWARE LICENSE AGREEMENTIMPORTANT! READ CAREFULLY BEFORE USING THIS PRODUCTBY USING THE ENCLOSED SOFTWARE YOU ARE AGREEING TO BE BOUND BY THE TERMS OF THIS AGREEMENT. IF YOU DO NOT AGREE TO BE BOUND BY THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE SOFTWARE AND ALL ACCOMPANYING MATERIALS TO THE PLACE YOU OBTAINED THEM FOR A FULL REFUND. LIMITED USE LICENSE This agreement grants you the right to use one copy of the enclosed program (the SOFTWARE) on any single computer provided that the software is installed on only one computer at a time. COPYRIGHT The SOFTWARE is owned by Convekta Ltd. and is protected by British Copyright Laws, international treaties, and other national laws. You must treat the SOFTWARE like any other copyrighted material except that you may install the SOFTWARE onto a single computer, provided that you keep the original CD solely for backup or archival purposes. You may not copy the written materials accompanying the SOFTWARE. OTHER RESTRICTIONS You may not rent, lease, or license the SOFTWARE but you may transfer the SOFTWARE and accompanying materials provided that you retain no copies and the recipient agrees to the terms of this Agreement. You may not reverse engineer, decompile, disassemble, or create derivative works of the SOFTWARE. LIMITED WARRANTY Manufacturer warrants that the enclosed SOFTWARE will perform substantially in accordance with the accompanying written materials and that the supplied media will be free from defects for a period of 12 months from the date of purchase. The customers sole remedy is return of the price paid or repair or replacement of defective merchandise. This Limited Warranty is void if failure has resulted from accident, abuse, or misapplication. NO LIABILITY FOR CONSEQUENTIAL DAMAGES IN NO EVENT SHALL CONVEKTA LTD. OR ITS SUPPLIERS BE LIABLE FOR ANY AMOUNT ABOVE THE PRICE PAID, OR FOR ANY DAMAGES WHATSOEVER ARISING OUT OF THE USE OR INABILITY TO USE THIS PRODUCT.

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2. INTRODUCTIONYour CD includes: Program files: Database management system COMPREHENSIVE CHESS ENDINGS; Playing engines CRAFTY and DRAGON. Data: AVERBAKH database, the latest edition of five-volume COMPREHENSIVE CHESS ENDINGS edited by Yuri Averbakh, thoroughly revised and updated; Sample EXAMPLES database; CAP data (500 000 positions); Database with MASTER EVALUATIONS; CHESS ASSISTANT OPENING BOOK; DIRECT TREE (abridged).

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SYSTEM REQUIREMENTS

To use COMPREHENSIVE CHESS ENDINGS, you will need the following: Essential: IBM-compatible PC with Pentium 100 CPU, 64 MB memory (RAM), Hard Disk (150 MB of free disk space for the program), VGA graphics, Windows 98/2000/NT/ME/XP, CD-ROM drive, Microsoftcompatible mouse. Recommended: 1 GHz CPU, 256 MB or more RAM, 8 GB of free disk space for the tablebases, Windows 2000/NT/XP, Super VGA graphics with 16 bit colors and 1024x768 screen mode.

2.2

TECHNICAL SUPPORT

The full set also includes a DVD with the most complete version of the threefour-five-piece NALIMOV ENDGAME TABLEBASES (290 files) which are highly recommended because they allow you to take advantage of the programs extra features, such as, for example, Endgame zones (see Section 3.5 Using the Tablebases for details). COMPREHENSIVE CHESS ENDINGS is an abridged version of CHESS ASSISTANT 7, powerful chess database management system. This lets you perform different searches, add your own comments, print games, analyze with different playing engines, etc. The abridged version, however, has some restrictions, almost all of which are listed in Section 2.5 Quick Guide for Chess Assistant Users. This manual is mainly intended to explain the unique features of COMPREHENSIVE CHESS ENDINGS, which are not available in CHESS ASSISTANT, while the CHESS ASSISTANTs modes are described rather briefly; some of them are not mentioned at all.

CONVEKTA provides unlimited technical support. Technical support is available only to registered users, so mail or e-mail your registration card or information today. (CONVEKTA technical support policies are subject to change without notice.) Mail: Convekta Ltd., c/o IPS 666 Fifth Avenue Suite 572 New York NY 10103 USA E-mail: Sales@chessassistant.com Please refer to the documentation and on-line help system before contacting technical support. When you e-mail technical support, please provide the following information: Registered users name The wording of any messages that appear on your screen A list of what steps were taken leading up to the problem CONVEKTA technical support is available as follows: Support@chessassistant.com

2.3Tip:If you are interested in the features, which are not mentioned in the manual, you should use CHESS ASSISTANT instead of its abridged version This manual uses the following conventions: Menu commands are written as follows: Base | Exit (the command Exit from the Base menu). Screen messages are written in Italics. Keys are shown as, for example, [Alt]. Clicking with the left button of the mouse is referred to as clicking and clicking with the right button of the mouse as right-clicking. You can also use the help file at any time. Press [F1] to open the help file. 5

INSTALLATION

COMPREHENSIVE CHESS ENDINGS program files must be installed on hard disk. The program cannot be started from the CD. Follow this procedure to install COMPREHENSIVE CHESS ENDINGS on a standalone computer: Close all other WINDOWS applications. Insert the CD into your CD-ROM drive. Select Run from the Start menu. Select Browse, and select the CD-ROM drive. Double-click on SETUP.EXE. The S

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