Interzonal Qualifiers
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Computer Analysis of World Chess Champions 65
Computer Analysis of World Chess Champions 65 COMPUTER ANALYSIS OF WORLD CHESS CHAMPIONS1 Matej Guid2 and Ivan Bratko2 Ljubljana, Slovenia ABSTRACT Who is the best chess player of all time? Chess players are often interested in this question that has never been answered authoritatively, because it requires a comparison between chess players of different eras who never met across the board. In this contribution, we attempt to make such a comparison. It is based on the evaluation of the games played by the World Chess Champions in their championship matches. The evaluation is performed by the chess-playing program CRAFTY. For this purpose we slightly adapted CRAFTY. Our analysis takes into account the differences in players' styles to compensate the fact that calm positional players in their typical games have less chance to commit gross tactical errors than aggressive tactical players. Therefore, we designed a method to assess the difculty of positions. Some of the results of this computer analysis might be quite surprising. Overall, the results can be nicely interpreted by a chess expert. 1. INTRODUCTION Who is the best chess player of all time? This is a frequently posed and interesting question, to which there is no well founded, objective answer, because it requires a comparison between chess players of different eras who never met across the board. With the emergence of high-quality chess programs a possibility of such an objective comparison arises. However, so far computers were mostly used as a tool for statistical analysis of the players' results. Such statistical analyses often do neither reect the true strengths of the players, nor do they reect their quality of play. -
Chapter 2 Introduction: the Enigmatic Zukertort
Chapter 2 Introduction: The Enigmatic Zukertort The Zukertort is a symphony of irony. Why do you say that? Well, to begin at the beginning, in his annotations to the oft-quoted seminal game on his opening, Zukertort v. Black- burne 1883, Zukertort wrote that he planned to play the whole game on the Q-side. Now players typically think of the system as one long, prepared attack on the enemy’s King. Secondly, the opening is called the “Colle-Zukertort,” even though Colle practically never played it. In fact, in my own personal data- base I have many hundreds of games where Colle played what is now known as the “Colle-Koltanowski,” but not a single game where he played the Zukertort except when his opponent used the Queen’s Indian Defense. Thirdly, it is unclear why the Colle-Koltanowski and the Colle-Zukertort are so often put in the same book. We do not see books for Black containing in-depth coverage of both the Dragon and Najdorf variations of the Sicilian. We do not see repertoire books for White going deeply into both the Botvin- nik and Meran variations of the Semi-slav. Why package these two very different systems in the same text? The Enigmatic Zukertort Fourthly, a thorough inves- very much different than he tigation of the Zukertort will can if he castles early (as we show that it appears to have shall see). no real mainline! Or, rather, I would suggest the stu- its “mainline” is so tactically dent understand the Zuker- different than most of its tort as an opening in which other lines that it is hard to White presents Black the same say whether it is the mainline choice given to the protago- of the system or a popular nists at the end of the movie deviation! Ghostbusters. -
Kolov LEADS INTERZONAL SOVIET PLAYERS an INVESTMENT in CHESS Po~;T;On No
Vol. Vll Monday; N umber 4 Offjeitll Publication of me Unttecl States (bessTederation October 20, 1952 KOlOV LEADS INTERZONAL SOVIET PLAYERS AN INVESTMENT IN CHESS Po~;t;on No. 91 POI;l;"n No. 92 IFE MEMBERSHIP in the USCF is an investment in chess and an Euwe vs. Flohr STILL TOP FIELD L investment for chess. It indicates that its proud holder believes in C.1rIbad, 1932 After fOUl't~n rounds, the S0- chess ns a cause worthy of support, not merely in words but also in viet rcpresentatives still erowd to deeds. For while chess may be a poor man's game in the sense that it gether at the top in the Intel'l'onal does not need or require expensive equipment fm' playing or lavish event at Saltsjobaden. surroundings to add enjoyment to the game, yet the promotion of or· 1. Alexander Kot()v (Russia) .w._.w .... 12-1 ganized chess for the general development of the g'lmc ~ Iway s requires ~: ~ ~~~~(~tu(~~:I;,.i ar ·::::~ ::::::::::~ ~!~t funds. Tournaments cannot be staged without money, teams sent to international matches without funds, collegiate, scholastic and play· ;: t.~h!"'s~~;o il(\~::~~ ry i.. ··::::::::::::ij ); ~.~ ground chess encouraged without the adequate meuns of liupplying ad· 6. Gidcon S tahl ~rc: (Sweden) ...... 81-5l vice, instruction and encouragement. ~: ~,:ct.~.:~bG~~gO~~(t3Ji;Oi· · ·:::: ::::::7i~~ In the past these funds have largely been supplied through the J~: ~~j~hk Elrs'l;~san(A~~;t~~~ ) ::::6i1~ generosity of a few enthusiastic patrons of the game-but no game 11. -
Taming Wild Chess Openings
Taming Wild Chess Openings How to deal with the Good, the Bad, and the Ugly over the chess board By International Master John Watson & FIDE Master Eric Schiller New In Chess 2015 1 Contents Explanation of Symbols ���������������������������������������������������������������� 8 Icons ��������������������������������������������������������������������������������� 9 Introduction �������������������������������������������������������������������������� 10 BAD WHITE OPENINGS ��������������������������������������������������������������� 18 Halloween Gambit: 1.e4 e5 2.♘f3 ♘c6 3.♘c3 ♘f6 4.♘xe5 ♘xe5 5.d4 . 18 Grünfeld Defense: The Gibbon: 1.d4 ♘f6 2.c4 g6 3.♘c3 d5 4.g4 . 20 Grob Attack: 1.g4 . 21 English Wing Gambit: 1.c4 c5 2.b4 . 25 French Defense: Orthoschnapp Gambit: 1.e4 e6 2.c4 d5 3.cxd5 exd5 4.♕b3 . 27 Benko Gambit: The Mutkin: 1.d4 ♘f6 2.c4 c5 3.d5 b5 4.g4 . 28 Zilbermints - Benoni Gambit: 1.d4 c5 2.b4 . 29 Boden-Kieseritzky Gambit: 1.e4 e5 2.♘f3 ♘c6 3.♗c4 ♘f6 4.♘c3 ♘xe4 5.0-0 . 31 Drunken Hippo Formation: 1.a3 e5 2.b3 d5 3.c3 c5 4.d3 ♘c6 5.e3 ♘e7 6.f3 g6 7.g3 . 33 Kadas Opening: 1.h4 . 35 Cochrane Gambit 1: 5.♗c4 and 5.♘c3 . 37 Cochrane Gambit 2: 5.d4 Main Line: 1.e4 e5 2.♘f3 ♘f6 3.♘xe5 d6 4.♘xf7 ♔xf7 5.d4 . 40 Nimzowitsch Defense: Wheeler Gambit: 1.e4 ♘c6 2.b4 . 43 BAD BLACK OPENINGS ��������������������������������������������������������������� 44 Khan Gambit: 1.e4 e5 2.♗c4 d5 . 44 King’s Gambit: Nordwalde Variation: 1.e4 e5 2.f4 ♕f6 . 45 King’s Gambit: Sénéchaud Countergambit: 1.e4 e5 2.f4 ♗c5 3.♘f3 g5 . -
2020-21 Candidates Tournament ROUND 9
2020-21 Candidates Tournament ROUND 9 CATALAN OPENING (E05) easy to remove and will work together with the GM Anish Giri (2776) other pieces to create some long-term ideas. GM Wang Hao (2763) A game between two other top players went: 2020-2021 Candidates Tournament 14. Rac1 Nb4 15. Rfd1 Ra6 (15. ... Bxf3! 16. Bxf3 Yekaterinburg, RUS (9.3), 04.20.2021 c6 is the most solid approach in my opinion. I Annotations by GM Jacob Aagaard cannot see a valid reason why the bishop on f3 for Chess Life Online is a strong piece.) 16. Qe2 Nbd5 17. Nb5 Ne7 18. The Game of the Day, at least in terms of Nd2 Bxg2 19. Kxg2 Nfd5 20. Nc4 Ng6 21. Kh1 drama, was definitely GM Ding Liren versus Qe7 22. b3 Rd8 23. Rd2 Raa8 24. Rdc2 Nb4 25. GM Maxime Vachier-Lagrave. Drama often Rd2 Nd5 26. Rdc2, and the game was drawn in Ivanchuk – Dominguez Perez, Varadero 2016. means bad moves, which was definitely the case there. Equally important for the tournament 14. ... Bxg2 15. Kxg2 c6 16. h3!N 8. ... Bd7 standings was the one win of the day. GM Anish Giri moves into shared second place with this The bishop is superfluous and will be The real novelty of the game, and not a win over GM Wang Hao. exchanged. spectacular one. The idea is simply that the king The narrative of the game is a common one hides on h2 and in many situations leaves the 9. Qxc4 Bc6 10. Bf4 Bd6 11. -
Regulations for the FIDE World Chess Cup 2015 1
Regulations for the FIDE World Chess Cup 2015 1. Organisation 1.1 The FIDE World Chess Cup (World Cup) is an integral part of the World Championship Cycle 2014-2016. 1.2 Governing Body: the World Chess Federation (FIDE). For the purpose of creating the regulations, communicating with the players and negotiating with the organisers, the FIDE President has nominated a committee, hereby called the FIDE Commission for World Championships and Olympiads (hereinafter referred to as WCOC) 1.3 FIDE, or its appointed commercial agency, retains all commercial and media rights of the World Chess Cup 2015, including internet rights. 1.4 Upon recommendation by the WCOC, the body responsible for any changes to these Regulations is the FIDE Presidential Board. 2. Qualifying Events for World Cup 2015 2. 1. National Chess Championships - National Chess Championships are the responsibility of the Federations who retain all rights in their internal competitions. 2. 2. Zonal Tournaments - Zonals can be organised by the Continents according to their regulations that have to be approved by the FIDE Presidential Board. 2. 3. Continental Chess Championships - The Continents, through their respective Boards and in co-operation with FIDE, shall organise Continental Chess Championships. The regulations for these events have to be approved by the FIDE Presidential Board nine months before they start if they are to be part of the qualification system of the World Chess Championship cycle. 2. 3. 1. FIDE shall guarantee a minimum grant of USD 92,000 towards the total prize fund for Continental Championships, divided among the following continents: 1. Americas 32,000 USD (minimum prize fund in total: 50,000 USD) 2. -
Opening Moves - Player Facts
DVD Chess Rules Chess puzzles Classic games Extras - Opening moves - Player facts General Rules The aim in the game of chess is to win by trapping your opponent's king. White always moves first and players take turns moving one game piece at a time. Movement is required every turn. Each type of piece has its own method of movement. A piece may be moved to another position or may capture an opponent's piece. This is done by landing on the appropriate square with the moving piece and removing the defending piece from play. With the exception of the knight, a piece may not move over or through any of the other pieces. When the board is set up it should be positioned so that the letters A-H face both players. When setting up, make sure that the white queen is positioned on a light square and the black queen is situated on a dark square. The two armies should be mirror images of one another. Pawn Movement Each player has eight pawns. They are the least powerful piece on the chess board, but may become equal to the most powerful. Pawns always move straight ahead unless they are capturing another piece. Generally pawns move only one square at a time. The exception is the first time a pawn is moved, it may move forward two squares as long as there are no obstructing pieces. A pawn cannot capture a piece directly in front of him but only one at a forward angle. When a pawn captures another piece the pawn takes that piece’s place on the board, and the captured piece is removed from play If a pawn gets all the way across the board to the opponent’s edge, it is promoted. -
The Double Queen's Gambit
Alexey Bezgodov The Double Queen’s Gambit A Surprise Weapon for Black New In Chess 2015 Contents Explanation of Symbols .......................................... 6 Introduction .................................................. 7 Part I – White avoids the main variations . 11 Chapter 1 White accepts the gambit ........................14 Chapter 2 The white bishop comes out ......................17 Chapter 3 Transposing into the Alapin Variation of the Sicilian.....24 Chapter 4 Transposition into the Exchange Variation of the Slav Defence 27 Chapter 5 Transposition into the Panov Attack .................37 Part II – Who is tricking whom? 3 .♘f3 . 49. Chapter 6 The rare symmetrical endgame ....................51 Chapter 7 The mysterious black queen check .................56 Chapter 8 The centralised knights system ....................66 Part III – The queenless DQG: 3 .♘f3 cxd4 4 .cxd5 ♘f6 5 .♕xd4 ♕xd5 6 .♘c3 ♕xd4 7 .♘xd4 . 97 Chapter 9 7...a6 – Taking control of the square b5.............100 Chapter 10 7…♗d7 – The bishop-retention system ............129 Chapter 11 7...e5 – The move of the future? ..................143 Part IV – The Gorbatov Gambit and the imaginary Semi-Tarrasch: 3 .♘c3 . 155 Chapter 12 A fascinating gambit ...........................157 Chapter 13 The classical 3...♘f6 ...........................163 Part V – The Deferred Capture Variation: 3 .cxd5 ♘f6 . 177 Chapter 14 White takes on c5 .............................179 Chapter 15 The strong 4.e4...............................187 Chapter 16 An Attempt at Revival ..........................193 Part VI – The main variation: 3 .cxd5 ♕xd5 . 205 Chapter 17 Early divergences..............................208 Chapter 18 The Queen Retreats 5...♕d7/5...♕d8 .............217 Chapter 19 Minor white moves after 6...♘f6..................223 Chapter 20 The fianchetto 7.g3 ............................233 Part VII – Retro-Training . 247 Postscript...............................................278 Bibliography................................................ -
UIL Text 111212
UIL Chess Puzzle Solvin g— Fall/Winter District 2016-2017 —Grades 4 and 5 IMPORTANT INSTRUCTIONS: [Test-administrators, please read text in this box aloud.] This is the UIL Chess Puzzle Solving Fall/Winter District Test for grades four and five. There are 20 questions on this test. You have 30 minutes to complete it. All questions are multiple choice. Use the answer sheet to mark your answers. Multiple choice answers pur - posely do not indicate check, checkmate, or e.p. symbols. You will be awarded one point for each correct answer. No deductions will be made for incorrect answers on this test. Finishing early is not rewarded, even to break ties. So use all of your time. Some of the questions may be hard, but all of the puzzles are interesting! Good luck and have fun! If you don’t already know chess notation, reading and referring to the section below on this page will help you. How to read and answer questions on this test Piece Names Each chessman can • To answer the questions on this test, you’ll also be represented need to know how to read chess moves. It’s by a symbol, except for the pawn. simple to do. (Figurine Notation) K King Q • Every square on the board has an “address” Queen R made up of a letter and a number. Rook B Bishop N Knight Pawn a-h (We write the file it’s on.) • To make them easy to read, the questions on this test use the figurine piece symbols on the right, above. -
1 Najdorf Sicilian Focus on the Critical D5 Squar One the Most Common Openings in the Past 50 Years Is the Najdorf Variation Of
1 Najdorf Sicilian will try to keep full control over the d5 Focus on the Critical d5 Squar square, and try to maintain the possibility of placing and keeping a piece One the most common openings in the on d5. Fully controlling the d5 square past 50 years is the Najdorf variation of allows white to affect both sides of the the Sicilian Defense. The Najdorf offers board. In order to assure that control, many different possibilities, starting from white wants to trade off black pieces extremely sharp, poison pawn variation that can control d5. For example, he (1. e4, c5 2. nf3 d6 3. d4 cxd4 4. Nxd4 wants to play with Bg5, in order to trade Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. off the Knight on f6. He also will Qd2 Qxb2! ) to extremely positional lines increase the number of his own pieces (1. e4, c5 2. nf3 d6 3. d4 cxd4 4. Nxd4 that can control d5, with maneuvers like Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 ... ) bishop to c4, then b3, and the knight on Somewhere between those two lines is f3 going to d2-c4-e3. It seems that white the following position, which I will try to has full control of the situation. So why explain. 1.e4 c5 2.Nf3 d6 3.d4 cxd4 does black choose to create this pawn 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nf3 structure? The answer is because this is Diagram one of the rare Sicilian pawn structures abcdef gh that gives the black side a slight space advantage. -
Mirotvor Schwartz CHESS PLAYERS on STAMPS
Mirotvor Schwartz CHESS PLAYERS ON STAMPS This is a list of chess players depicted on stamps, along with the actual stamps. Each player’s name is clickable – it will take you to the player’s Wikipedia page (or, if one does not exist, to a different chess-related page), where you can view the player’s biography and details of their career. If a philatelic item depicts a specific chess contest, said contest is mentioned in italics following the item. For each chess player, a short biography is given. It includes two types of competitions: 1.World Championship and its affiliate contests (Candidates Tournament, Interzonal Tournament, World Cup, FIDE Grand Prix, FIDE Grand Swiss Tournament), as well as major team competitions (Olympiads, World Team Championship, European Team Championship). 2.An event depicted in my “Chess History on Stamps” collection, no matter how minor or seemingly insignificant. After each contest and year in a player’s biography, the following information is given in brackets: 1.The place in which the player (or their team) finished the competition. Note that “(?)” means the place is unknown at the time, while “(0)” means the player or the team was participating as a non- contestant. 2.In a team competition, the following personal achievements of the player: -- being the best player at their board (BB) -- showing the best individual performance of the tournament (BP) If an achievement is actually depicted on a stamp or a philatelic item, the year of said achievement is bolded. 1 EXAMPLE: Let’s look at Nino Batsiashvili: -
A Feast of Chess in Time of Plague – Candidates Tournament 2020
A FEAST OF CHESS IN TIME OF PLAGUE CANDIDATES TOURNAMENT 2020 Part 1 — Yekaterinburg by Vladimir Tukmakov www.thinkerspublishing.com Managing Editor Romain Edouard Assistant Editor Daniël Vanheirzeele Translator Izyaslav Koza Proofreader Bob Holliman Graphic Artist Philippe Tonnard Cover design Mieke Mertens Typesetting i-Press ‹www.i-press.pl› First edition 2020 by Th inkers Publishing A Feast of Chess in Time of Plague. Candidates Tournament 2020. Part 1 — Yekaterinburg Copyright © 2020 Vladimir Tukmakov All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission from the publisher. ISBN 978-94-9251-092-1 D/2020/13730/26 All sales or enquiries should be directed to Th inkers Publishing, 9850 Landegem, Belgium. e-mail: [email protected] website: www.thinkerspublishing.com TABLE OF CONTENTS KEY TO SYMBOLS 5 INTRODUCTION 7 PRELUDE 11 THE PLAY Round 1 21 Round 2 44 Round 3 61 Round 4 80 Round 5 94 Round 6 110 Round 7 127 Final — Round 8 141 UNEXPECTED CONCLUSION 143 INTERIM RESULTS 147 KEY TO SYMBOLS ! a good move ?a weak move !! an excellent move ?? a blunder !? an interesting move ?! a dubious move only move =equality unclear position with compensation for the sacrifi ced material White stands slightly better Black stands slightly better White has a serious advantage Black has a serious advantage +– White has a decisive advantage –+ Black has a decisive advantage with an attack with initiative with counterplay with the idea of better is worse is Nnovelty +check #mate INTRODUCTION In the middle of the last century tournament compilations were ex- tremely popular.