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ZUGZWANGS in CHESS STUDIES G.Mcc. Haworth,1 H.M.J.F. Van Der
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/290629887 Zugzwangs in Chess Studies Article in ICGA journal · June 2011 DOI: 10.3233/ICG-2011-34205 CITATION READS 1 2,142 3 authors: Guy McCrossan Haworth Harold M.J.F. Van der Heijden University of Reading Gezondheidsdienst voor Dieren 119 PUBLICATIONS 354 CITATIONS 49 PUBLICATIONS 1,232 CITATIONS SEE PROFILE SEE PROFILE Eiko Bleicher 7 PUBLICATIONS 12 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Chess Endgame Analysis View project The Skilloscopy project View project All content following this page was uploaded by Guy McCrossan Haworth on 23 January 2017. The user has requested enhancement of the downloaded file. 82 ICGA Journal June 2011 NOTES ZUGZWANGS IN CHESS STUDIES G.McC. Haworth,1 H.M.J.F. van der Heijden and E. Bleicher Reading, U.K., Deventer, the Netherlands and Berlin, Germany ABSTRACT Van der Heijden’s ENDGAME STUDY DATABASE IV, HHDBIV, is the definitive collection of 76,132 chess studies. The zugzwang position or zug, one in which the side to move would prefer not to, is a frequent theme in the literature of chess studies. In this third data-mining of HHDBIV, we report on the occurrence of sub-7-man zugs there as discovered by the use of CQL and Nalimov endgame tables (EGTs). We also mine those Zugzwang Studies in which a zug more significantly appears in both its White-to-move (wtm) and Black-to-move (btm) forms. We provide some illustrative and extreme examples of zugzwangs in studies. -
Little Chess Evaluation Compendium by Lyudmil Tsvetkov, Sofia, Bulgaria
Little Chess Evaluation Compendium By Lyudmil Tsvetkov, Sofia, Bulgaria Version from 2012, an update to an original version first released in 2010 The purpose will be to give a fairly precise evaluation for all the most important terms. Some authors might find some interesting ideas. For abbreviations, p will mean pawns, cp – centipawns, if the number is not indicated it will be centipawns, mps - millipawns; b – bishop, n – knight, k- king, q – queen and r –rook. Also b will mean black and w – white. We will assume that the bishop value is 3ps, knight value – 3ps, rook value – 4.5 ps and queen value – 9ps. In brackets I will be giving purely speculative numbers for possible Elo increase if a specific function is implemented (only for the functions that might not be generally implemented). The exposition will be split in 3 parts, reflecting that opening, middlegame and endgame are very different from one another. The essence of chess in two words Chess is a game of capturing. This is the single most important thing worth considering. But in order to be able to capture well, you should consider a variety of other specific rules. The more rules you consider, the better you will be able to capture. If you consider 10 rules, you will be able to capture. If you consider 100 rules, you will be able to capture in a sufficiently good way. If you consider 1000 rules, you will be able to capture in an excellent way. The philosophy of chess Chess is a game of correlation, and not a game of fixed values. -
The Modern Defence: Move by Move PDF Book
THE MODERN DEFENCE: MOVE BY MOVE PDF, EPUB, EBOOK Cyrus Lakdawala | 400 pages | 20 Nov 2012 | EVERYMAN CHESS | 9781857449860 | English | London, United Kingdom The Modern Defence: Move by Move PDF Book Please try to maintain a semblance of civility at all times. When to resign - Etiquette - An honest appeal Optimissed 7 min ago. Published November 20th by Everyman Chess first published October 7th Cochrane vs Somacarana 34 Calcutta B06 Robatsch 8. Rxh7 9. Error rating book. Nc3 in the actual game. Aug 10, Chapter 1 — Introduction — initial remarks and comments. Cyrus Lakdawala. I know he is notoriously hit-and-miss as an author. Kxf7, 6. The flexibility and toughness of the Modern Defense has provoked some very aggressive responses by White, including the crudely named Monkey's Bum , a typical sequence being 1. Welcome back. Chapter 8 — The Fianchetto Variation: g3-Bg2 setups — the quiet, but no less venomous setups involving an early fianchetto of the light-squared bishop. Question feed. Bg7 3. See something that violates our rules? Please observe our posting guidelines: No obscene, racist, sexist, or profane language. Be2, Black can retreat the knight or gambit a pawn with Therefore, I find it an advantage to block these pieces by pawns. Nf3, Black can play Jul 22, 2. Numerous hours were spent analyzing, importing, commenting, fixing mistakes, fixing the fixes of mistakes, replying to beta tester comments, improving the initial version, etc. B06 Robatsch. Transpositions are possible after 2. A repertoire for my favourite opening for the Black pieces — the Modern Defence — was among them. To ask other readers questions about The Modern Defence , please sign up. -
CONTENTS Contents
CONTENTS Contents Conventions and Terminology 6 Introduction 9 8 Rook Endings 11 8.1 Introduction 11 8.2 Rook vs Pawns 14 8.2.1 Hesitation Checks 14 8.2.2 Rook vs Two Pawns 16 8.2.3 Rook vs Three Pawns 18 8.3 Rook and Pawns vs Pawns 22 8.3.1 King Activity 26 8.3.2 Rook Sacrifice 28 8.3.3 Stalemate 29 8.4 Rook and Pawns vs Rook and Pawns 30 8.4.1 Fifth-Rank Cut-Off 30 8.4.2 The Rook Switch 38 8.4.3 Common Error: Rook Behind Passed Pawn 43 8.4.4 Lasker Manoeuvre 45 8.4.5 Common Error: Checking Distance 49 8.4.6 Reciprocal Zugzwang 56 8.4.7 Liquidation to a Pawn Ending 67 8.4.8 Common Error: Promoting Too Soon 73 8.4.9 Stalemate 77 8.5 Rook and Pawn vs Rook 91 8.5.1 Centre Pawn 91 8.5.2 Bishop’s Pawn 94 8.5.3 Knight’s Pawn 97 8.5.4 Rook’s Pawn 99 8.6 Rook and Two Pawns vs Rook 108 8.6.1 Introduction 108 8.6.2 Connected Pawns 109 8.6.2a Blockade 109 8.6.2b One Pawn is Too Far Advanced 120 8.6.2c Stalemate 121 8.6.3 Disconnected Pawns 122 8.6.3a a-Pawn + h-Pawn 122 8.6.3b f-Pawn + h-Pawn 128 4 NUNN’S CHESS ENDINGS 8.6.3c Other Disconnected Pawns 134 8.6.4 Doubled Pawns 148 8.7 Rook and Pawn vs Rook and Pawn 152 8.7.1 The Defender’s Pawn Gets in the Way 152 8.7.2 Pawns on the Same File 155 8.7.3 Pawns on Adjacent Files, Not Passed 161 8.7.4 Pawns on Adjacent Files, Passed 167 8.7.5 Pawns at Least Two Files Apart 171 8.7.6 Transformation to a Queen Ending 178 8.8 Rook and Two Pawns vs Rook and Pawn 183 8.8.1 No Passed Pawns 183 8.8.2 One Passed Pawn 188 8.8.2a The Attacker’s Pawns are Connected 188 8.8.2b The Attacker’s Pawns are Not Connected -
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ISSUE 7 MODERN CHESS MAGAZINE Farewell, Viktor Endgame Sicilian Structures – Series - Part 7 Part 2 Strong Knight Methods of Against Bad Bishop Playing against in the Endgame Semi-Hanging Pawns GM Repertoire Against 1.d4 – Part 3 Table of contents 3 Farewell, Viktor 5 Gavrikov,Viktor (2550) - Gulko,Boris F (2475) 7 Strong Knight Against Bad Bishop in the Endgames (GM Viktor Gavrikov) 7 Educational example 8 Zubarev,N - Aleksandrov,NMoskow, 1915 10 Almasi,Zoltan (2630) - Zueger,Beat (2470) Horgen-B Horgen (6), 1995 11 Torre,E - Jakobsen,O Amsterdam, 1973 14 Methods of Playing against Semi-Hanging Pawns (GM Grigor Grigorov) 15 Rubinstein,Akiba - Salwe,Georg Lodz mt Lodz, 1908 17 Gavrikov,Viktor Nikolaevich (2450) - Mochalov,Evgeny V (2420) LTU-ch open Vilnius (10), 15.03.1983 18 Flohr,Salo - Vidmar,Milan Sr Nottingham Nottingham, 1936 21 Petrosian,Tigran Vartanovich - Smyslov,Vassily Moscow tt, 1961 22 Kramnik,Vladimir (2710) - Illescas Cordoba,Miguel (2590) Linares 12th Linares (6), 1994 24 GM Repertoire against 1.d4 – Part 3 (GM Boris Chatalbashev) 24 Zhigalko,Sergei (2656) - Petrov,Marijan (2535) 26 Arkhipov,Sergey (2465) - Kuzmin,Alexey (2465) Moscow1 Moscow, 1989 28 Nikolov,Momchil (2550) - Chatalbashev,Boris (2555) 30 Kortschnoj,Viktor (2643) - Chatalbashev,Boris (2518) EU-ch 2nd Ohrid (2), 02.06.2001 33 Taras,I (2267) - Chatalbashev,B (2591) 19th Albena Open Albena BUL (8.22), 02.07.2011 Sicilian Structures – Part 2. How To Fight For The Weak d5-square 34 (GM Petar G. Arnaudov) 34 Smyslov,Vassily - Rudakovsky,Iosif URS-ch14 Moscow, -
Aron Nimzowitsch My System & Chess Praxis
Aron Nimzowitsch My System & Chess Praxis Translated by Robert Sherwood New In Chess 2016 Contents Translator’s Preface............................................... 9 My System Foreword..................................................... 13 Part I – The Elements . 15 Chapter 1 The Center and Development...............................16 1. By development is to be under stood the strategic advance of the troops to the frontier line ..............................16 2. A pawn move must not in and of itself be regarded as a develo ping move but should be seen simply as an aid to develop ment ........................................16 3. The lead in development as the ideal to be sought ..........18 4. Exchanging with resulting gain of tempo.................18 5. Liquidation, with subsequent development or a subsequent liberation ..........................................20 6. The center and the furious rage to demobilize it ...........23 7. On pawn hunting in the opening ......................28 Chapter 2 Open Files .............................................31 1. Introduction and general remarks.......................31 2. The origin (genesis) of the open file ....................32 3. The ideal (ultimate purpose) of every operation along a file ..34 4. The possible obstacles in the way of a file operation ........35 5. The ‘restricted’ advance along one file for the purpose of relin quishing that file for another one, or the indirect utilization of a file. 38 6. The outpost .......................................39 Chapter 3 The Seventh and Eighth Ranks ..............................44 1. Introduction and general remarks. .44 2. The convergent and the revo lutionary attack upon the 7th rank. .44 3. The five special cases on the seventh rank . .47 Chapter 4 The Passed Pawn ........................................75 1. By way of orientation ...............................75 2. The blockade of passed pawns .........................77 3. -
Chess-Training-Guide.Pdf
Q Chess Training Guide K for Teachers and Parents Created by Grandmaster Susan Polgar U.S. Chess Hall of Fame Inductee President and Founder of the Susan Polgar Foundation Director of SPICE (Susan Polgar Institute for Chess Excellence) at Webster University FIDE Senior Chess Trainer 2006 Women’s World Chess Cup Champion Winner of 4 Women’s World Chess Championships The only World Champion in history to win the Triple-Crown (Blitz, Rapid and Classical) 12 Olympic Medals (5 Gold, 4 Silver, 3 Bronze) 3-time US Open Blitz Champion #1 ranked woman player in the United States Ranked #1 in the world at age 15 and in the top 3 for about 25 consecutive years 1st woman in history to qualify for the Men’s World Championship 1st woman in history to earn the Grandmaster title 1st woman in history to coach a Men's Division I team to 7 consecutive Final Four Championships 1st woman in history to coach the #1 ranked Men's Division I team in the nation pnlrqk KQRLNP Get Smart! Play Chess! www.ChessDailyNews.com www.twitter.com/SusanPolgar www.facebook.com/SusanPolgarChess www.instagram.com/SusanPolgarChess www.SusanPolgar.com www.SusanPolgarFoundation.org SPF Chess Training Program for Teachers © Page 1 7/2/2019 Lesson 1 Lesson goals: Excite kids about the fun game of chess Relate the cool history of chess Incorporate chess with education: Learning about India and Persia Incorporate chess with education: Learning about the chess board and its coordinates Who invented chess and why? Talk about India / Persia – connects to Geography Tell the story of “seed”. -
2016 Year in Review
The Gambit Nebraska State Chess Archives Nebraska State Chess 2016 The Year in Review. XABCDEFGHY 8Q+-+-mK-mk( 7+-+-+-+-' 6L+-sn-+-+& 5+-+-+-sN-% 4-+-+-+-+$ 3+-+-+n+-# 2-+-+-+-+" 1+-+-+-+-! xabcdefghy White to play & mate in 2 moves. (Composed by Bob Woodworth) Hint: After White’s keymove & depending on Black’s reply, find all of the ‘long-distance’ checkmates. Gambit Editor- Kent Nelson The Gambit serves as the official publication of the Nebraska State Chess Association and is published by the Lincoln Chess Foundation. Send all games, articles, and editorial materials to: Kent Nelson 4014 “N” St Lincoln, NE 68510 [email protected] NSCA Officers President John Hartmann Treasurer Lucy Ruf Historical Archivist Bob Woodworth Secretary Gnanasekar Arputhaswamy Webmaster Kent Smotherman Regional VPs NSCA Committee Members Vice President-Lincoln- John Linscott Vice President-Omaha- Michael Gooch Vice President (Western) Letter from NSCA President John Hartmann January 2017 Hello friends! Our beloved game finds itself at something of a crossroads here in Nebraska. On the one hand, there is much to look forward to. We have a full calendar of scholastic events coming up this spring and a slew of promising juniors to steal our rating points. We have more and better adult players playing rated chess. If you’re reading this, we probably (finally) have a functional website. And after a precarious few weeks, the Spence Chess Club here in Omaha seems to have found a new home. And yet, there is also cause for concern. It’s not clear that we will be able to have tournaments at UNO in the future. -
Reshevsky Wins Playoff, Qualifies for Interzonal Title Match Benko First in Atlantic Open
RESHEVSKY WINS PLAYOFF, TITLE MATCH As this issue of CHESS LIFE goes to QUALIFIES FOR INTERZONAL press, world champion Mikhail Botvinnik and challenger Tigran Petrosian are pre Grandmaster Samuel Reshevsky won the three-way playoff against Larry paring for the start of their match for Evans and William Addison to finish in third place in the United States the chess championship of the world. The contest is scheduled to begin in Moscow Championship and to become the third American to qualify for the next on March 21. Interzonal tournament. Reshevsky beat each of his opponents once, all other Botvinnik, now 51, is seventeen years games in the series being drawn. IIis score was thus 3-1, Evans and Addison older than his latest challenger. He won the title for the first time in 1948 and finishing with 1 %-2lh. has played championship matches against David Bronstein, Vassily Smyslov (three) The games wcre played at the I·lerman Steiner Chess Club in Los Angeles and Mikhail Tal (two). He lost the tiUe to Smyslov and Tal but in each case re and prizes were donated by the Piatigorsky Chess Foundation. gained it in a return match. Petrosian became the official chal By winning the playoff, Heshevsky joins Bobby Fischer and Arthur Bisguier lenger by winning the Candidates' Tour as the third U.S. player to qualify for the next step in the World Championship nament in 1962, ahead of Paul Keres, Ewfim Geller, Bobby Fischer and other cycle ; the InterzonaL The exact date and place for this event havc not yet leading contenders. -
Chess Fought out the Game at Least of Sorts, Versus Step Ri Ght Up, Ladies and Genis, (Ind Try YO Ll R Skill ! So Yoll Which Came to This Position
AUGUST 1960 OUR STUDENT TEAM \ I j • \ 60 CENTS ·"bscr'iption Rate )NE YEAR 56.00 • - 1 White to move 2 Btack to move Two former champions of Here Black has position, A DOUBLE CHANCE! chess fought out the game at least of sorts, versus Step ri ght up, ladies and genIS, (Ind try YO ll r skill ! So yOll which came to this position. material, and he also has a can all ("orne lInough, tel! ya what we're gonna do: each und White s~e m s circumscribed : pi ece under fi re. We won't every position here has appeared some time this ye ar in tllO ugh hi s P awns are on the consider hi s tem pori7.ing, or CHr.SS R EVIEW. So ya can wi n by remembering how or. of ri ght color fo r his Bishop, the position wouldn't be up cou rse, you may he able to solve the posi tions out of han:! or that worthy is stj]] confined. for gasps, would it? So what oU l of mind, as it were. Score excellent for 10 correct solu And White is due to lose his can be Black's delectable tion;;; g('od for 8 ; fa ir for 6. adva nccd Pawn, too. What win ning line'? It's yo urs to Solutions on page 249. mighty strokc can win '! pick and choose. 3 White to move 4 Black to move 5 White to move 6 S lack to move Here is almost the reve rse Here W hite has j ust pl ayed Here material is ali el'en, Black's Queen for Rook of position 2. -
Chess Basics
NEWSLETTER Library: Jan-2003 Morals of Chess Feb-2003 Humor in Chess Feb 15th SCC Guidelines March 2003 The History of Chess Notation by Robert John McCrary The number of books on chess is greater the number of books on all other games combined. Yet, chess books would be few and far between if there were not an efficient way to record the moves of games. Chess notation is thus the special written" language" of chess players, making it possible for a single book to contain hundreds of games by great players, or thousands of opening variations. Surprisingly, however, chess notation was slow to evolve. As late as the early nineteenth century, many chess books simply wrote out moves in full sentences! As a result, very few of those early games before the 1800's were recorded and preserved in print, and published analysis was correspondingly limited. In Shakespeare's day, for example, the standard English chess book gave the move 2.Qf3 as follows: " Then the black king for his second draught brings forth his queene, and placest her in the third house, in front of his bishop's pawne." Can we imagine recording a full 40-move game with each move written out like that! Nevertheless, the great 18th century player and author Andre Philidor, in his highly influential chess treatise published in 1747, continued to write out moves as full sentences. One move might read, "The bishop takes the bishop, checking." Or the move e5 would appear as "King's pawn to adverse 4th." Occasionally Philidor would abbreviate something, but generally he liked to spell everything out. -
Liquidation on the Chess Board Mastering the Transition Into the Pawn Endgame
Joel Benjamin Liquidation on the Chess Board Mastering the Transition into the Pawn Endgame Third, New & Extended Edition New In Chess 2019 Contents Explanation of symbols..............................................6 Acknowledgments ..................................................7 Prologue – The ABCs of chess ........................................9 Introduction ......................................................11 Chapter 1 Queen endings .......................................14 Chapter 2 Rook endings ....................................... 44 Chapter 3 Bishop endings .......................................99 Chapter 4 Knight endings ......................................123 Chapter 5 Bishop versus knight endings .........................152 Chapter 6 Rook & minor piece endings ..........................194 Chapter 7 Two minor piece endings .............................220 Chapter 8 Major piece endings..................................236 Chapter 9 Queen & minor piece endings.........................256 Chapter 10 Three or more piece endings ..........................270 Chapter 11 Unbalanced material endings .........................294 Chapter 12 Thematic positions ..................................319 Bibliography .....................................................329 Glossary .........................................................330 Index of players ..................................................331 5 Acknowledgments Thank you to the New In Chess editorial staff, particularly Peter Boel and René Olthof, who provided