Background I Spent 30 Years Working in the Ministry of Defence in the UK
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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. -
1. Development
By Natalie & Leon Taylor 1. DEVELOPMENT ID Shelf Title Author Brief Description No. No. 1 1.1 Chess Made Easy C.J.S. Purdy & G. Aimed for beginners, Koshnitsky 1942, 64 pages. 2 1.2 The Game of Chess H.Golombek Advance from beginner, 1945, 255pages 3 1.3 A Guide to Chess Ed.Gerard & C. Advance from beginner Verviers 1969, 156 pages. 4 1.4 My System Aron Nimzovich Theory of chess to improve yourself 1973, 372 pages 5 1.5 Pawn Power in Chess Hans Kmoch Chess strategy using pawns. 1969, 300 pages 6 1.6 The Most Instructive Games Irving Chernev 62 annotated masterpieces of modern chess strat- of Chess Ever Played egy. 1972, 277 pages 7 1.7 The Development of Chess Dr. M. Euwe Annotated games explaining positional play, Style combination & analysis. 1968, 152pgs 8 1.8 Three Steps to Chess MasteryA.S. Suetin Examples of modern Grandmaster play to im- prove your playing strength. 1982, 188pgs 9 1.9 Grandmasters of Chess Harold C. Schonberg A history of modern chess through the lives of these great players. 1973, 302 pages 10 1.10 Grandmaster Preparation L. Polugayevsky How to prepare technically and psychologically for decisive encounters where everything is at stake. 1981, 232 pages 11 1.11 Grandmaster Performance L. Polugayevsky 64 games selected to give a clear impression of how victory is gained. 1984, 174 pages 12 1.12 Learn from the Grandmasters Raymond D. Keene A wide spectrum of games by a no. of players an- notated from different angles. 1975, 120 pgs 13 1.13 The Modern Chess Sacrifice Leonid Shamkovich ‘A thousand paths lead to delusion, but only one to the truth.’ 1980, 214 pages 14 1.14 Blunders & Brilliancies Ian Mullen and Moe Over 250 excellent exercises to asses your apti- Moss tude for brilliancy and blunder. -
Game Changer
Matthew Sadler and Natasha Regan Game Changer AlphaZero’s Groundbreaking Chess Strategies and the Promise of AI New In Chess 2019 Contents Explanation of symbols 6 Foreword by Garry Kasparov �������������������������������������������������������������������������������� 7 Introduction by Demis Hassabis 11 Preface 16 Introduction ������������������������������������������������������������������������������������������������������������ 19 Part I AlphaZero’s history . 23 Chapter 1 A quick tour of computer chess competition 24 Chapter 2 ZeroZeroZero ������������������������������������������������������������������������������ 33 Chapter 3 Demis Hassabis, DeepMind and AI 54 Part II Inside the box . 67 Chapter 4 How AlphaZero thinks 68 Chapter 5 AlphaZero’s style – meeting in the middle 87 Part III Themes in AlphaZero’s play . 131 Chapter 6 Introduction to our selected AlphaZero themes 132 Chapter 7 Piece mobility: outposts 137 Chapter 8 Piece mobility: activity 168 Chapter 9 Attacking the king: the march of the rook’s pawn 208 Chapter 10 Attacking the king: colour complexes 235 Chapter 11 Attacking the king: sacrifices for time, space and damage 276 Chapter 12 Attacking the king: opposite-side castling 299 Chapter 13 Attacking the king: defence 321 Part IV AlphaZero’s -
Chess Endgame News
Chess Endgame News Article Published Version Haworth, G. (2014) Chess Endgame News. ICGA Journal, 37 (3). pp. 166-168. ISSN 1389-6911 Available at http://centaur.reading.ac.uk/38987/ It is advisable to refer to the publisher’s version if you intend to cite from the work. See Guidance on citing . Publisher: The International Computer Games Association All outputs in CentAUR are protected by Intellectual Property Rights law, including copyright law. Copyright and IPR is retained by the creators or other copyright holders. Terms and conditions for use of this material are defined in the End User Agreement . www.reading.ac.uk/centaur CentAUR Central Archive at the University of Reading Reading’s research outputs online 166 ICGA Journal September 2014 CHESS ENDGAME NEWS G.McC. Haworth1 Reading, UK This note investigates the recently revived proposal that the stalemated side should lose, and comments further on the information provided by the FRITZ14 interface to Ronald de Man’s DTZ50 endgame tables (EGTs). Tables 1 and 2 list relevant positions: data files (Haworth, 2014b) provide chess-line sources and annotation. Pos.w-b Endgame FEN Notes g1 3-2 KBPKP 8/5KBk/8/8/p7/P7/8/8 b - - 34 124 Korchnoi - Karpov, WCC.5 (1978) g2 3-3 KPPKPP 8/6p1/5p2/5P1K/4k2P/8/8/8 b - - 2 65 Anand - Kramnik, WCC.5 (2007) 65. … Kxf5 g3 3-2 KRKRB 5r2/8/8/8/8/3kb3/3R4/3K4 b - - 94 109 Carlsen - van Wely, Corus (2007) 109. … Bxd2 == g4 7-7 KQR..KQR.. 2Q5/5Rpk/8/1p2p2p/1P2Pn1P/5Pq1/4r3/7K w Evans - Reshevsky, USC (1963), 49. -
London Chess Classic, Round 2
PRESS RELEASE London Chess Classic, Round 2 WINTER DRAWS ON John Saunders reports: The second round of the 9th London Chess Classic saw the tournament migrate back to its familiar home at the Olympia Conference Centre, West London, after the brief dalliance with Google’s London HQ in Pancras Square. Round three takes place on Monday 4 December, but at the changed time of 16.00 London time. “We meet again, Mr Karjakin!” The 2016 world championship opponents renew their rivalry. (Photo John Saunders) As Maurice Ashley put it, quoting an earlier US sports commentator, "it was déjà vu all over again." First to finish were Magnus Carlsen and Sergey Karjakin who concluded hostilities on move 30. The first movement of the oeuvre was Giuoco Piano, the second pianissimo, the third molto doloroso and the fourth whatever the Italian is for non- existent. The score of this game may be examined on our website but is one for devoted chessologists only. I don't propose to do much more than hum the main theme. Contradicting what Emperor Joseph said in the film Amadeus, I felt there were not enough notes. Understandable, perhaps, that Carlsen and Karjakin should be sick of staring across the board at their opponent's coat of many sponsors’ colours. I'll confine myself to one second-hand comment: super-GM emeritus Jon Speelman, watching from the VIP Room, thought 21.f4 might have given White a little something. He was speaking without benefit of silicon, as he always does, but the engines agreed with him. The idea was to open up the e-file for White's rooks. -
1979 September 29
I position with International flocked to see; To sorri{ of position and succumbed to · Chess - Masters Jonathan Speelman the top established players John Littlewood. In round> and Robert · Bellin until in · they represented vultures I 0, as Black in a Frerich (' . round eight the sensational come to witness the greatest. again, Short drew with Nunn. Short caught happened. As White against "humiliation" of British chess In the last round he met. Short, Miles selected an indif• ~r~a~! • 27-yeai:-old Robert Bellin, THIS YEAR's British Chain- an assistant at his Interzonal ferent line against the French Next up was defending also on 7½ points. Bellin · pionship was one of the most tournament. More quietly, at defence and was thrashed off champion '. Speelman, stood to win the champion- · sensational ever. The stage the other end of the scale, 14- the board. amusingly described along _ ship on tie-break if they drew was set when Grandmaster year-old Nigel Short scraped _ Turmoil reigned! Short had with Miles as· "having the the game as he had faced J - Tony Miles flew in from an in because the selected field great talent and an already physique of a boxer" in pub• stronger opposition earlier in international in Argentina . was then· extended to 48 formidable reputation - but lic information leaflets. Short the event. Against Bellin, and decided to exercise his players. no one had -foreseen this. He defeated Speelman as well to Short rattled off his moves special last-minute entry op- Miles began impressively, .couldn't possibly · win the take the sole lead on seven like · a machinegun in the tion, apparently because he. -
Qualifiers for the British Championship 2020 (Last Updated 14Th November 2019)
Qualifiers for the British Championship 2020 (last updated 14th November 2019) Section A: Qualification from the British Championship A1. British Champions Jacob Aagaard (B1), Michael Adams (A3, B1, C), Leonard Barden (B3), Robert Bellin (B3), George Botterill (B3), Stuart Conquest (B1), Joseph Gallagher (B1), William Hartston (B3), Jonathan Hawkins (A3, B1), Michael Hennigan (B3), Julian Hodgson (B1), David Howell (A3, B1), Gawain Jones (A3, B1), Raymond Keene (B1), Peter Lee, Paul Littlewood (B3), Jonathan Mestel (B1), John Nunn (B1), Jonathan Penrose (B1), James Plaskett (B1), Jonathan Rowson (B1), Matthew Sadler (B1), Nigel Short (B1), Jon Speelman (B1), Chris Ward (A3, B1), William Watson (B1), A2. British Women’s Champions Ketevan Arakhamia-Grant (B1, B2), Jana Bellin (B2), Melanie Buckley, Margaret Clarke, Joan Doulton, Amy Hoare, Jovanka Houska (A3, B2, B3), Harriet Hunt (B2, B3), Sheila Jackson (B2), Akshaya Kalaiyalahan, Susan Lalic (B2, B3), Sarah Longson, Helen Milligan, Gillian Moore, Dinah Norman, Jane Richmond (B6), Cathy Forbes (B4), A3. Top 20 players and ties in the 2018 British Championship Luke McShane (C), Nicholas Pert (B1), Daniel Gormally (B1), Daniel Fernandez (B1), Keith Arkell (A8, B1), David Eggleston (B3), Tamas Fodor (B1), Justin Hy Tan (A5), Peter K Wells (B1), Richard JD Palliser (B3), Lawrence Trent (B3), Joseph McPhillips (A5, B3), Peter T Roberson (B3), James R Adair (B3), Mark L Hebden (B1), Paul Macklin (B5), David Zakarian (B5), Koby Kalavannan (A6), Craig Pritchett (B5) A4. Top 10 players and ties in the 2018 Major Open Thomas Villiers, Viktor Stoyanov, Andrew P Smith, Jonah B Willow, Ben Ogunshola, John G Cooper, Federico Rocco (A7), Robert Stanley, Callum D Brewer, Jacob D Yoon, Jagdish Modi Shyam, Aron Teh Eu Wen, Maciej Janiszewski A5. -
Award of the John Nunn 50Th Birthday Study Tourney
Award of the John Nunn 50th Birthday Study Tourney I am pleased to announce the results of the John Nunn 50th Birthday Study Tourney. First, a few words about the administration of the event. The closing date for entries was the end of October 2005. Round about this time, the tourney controller Brian Stephenson converted the entries to PGN format and passed the entries to me without the composers’ names. During the following month, I checked the studies for analytical soundness. At the start of De- cember, those unsound studies which seemed capable of repair were returned to the composers for correction, with a further month being allowed for this step. Although a few studies which would have featured in the award could not be corrected, several other studies were successfully repaired. Many of the corrected studies ended up in the award, so this was a worthwhile step. At this stage, there were 59 studies still in the tourney. I then made a preliminary selection of studies for the award and these were sent to Harold van der Heijden for anticipation checking. Only a couple of studies turned out to be seriously anticipated, although some partial anticipations led to changes in the order of the award. I then re-checked the studies in the award for soundness, which unfortu- nately resulted in one prize-winner being removed from the award. The standard of the entries was very high. Although I was quite tough with the judging, there are 30 studies in the award. I accept that some of the studies not in the award would certainly have been honoured in many other tourneys; likewise some of the lower-ranked studies in this award would have gained prizes elsewhere. -
John Nunn's Problem Section in Inter• Robert Bellin Won on Tie-Break and Cutty Sark £2000 Grand Prix All to National Chess; a New Magazine Which
NZ LIST 13, 8Xh5 gXh5 • Nunn's counter-attack has succeeded 14. Bb2 Bd7 15. Rae1 QM in exchanging a pair _of rooks. 27. Qh5. ch would have lost neatly to tz ... Kj8 ,II For his broken pawns Black has the 28.Bg7 ch Kg8. kingside. initiative on the White's next 27 ·::. ; . 0Xe1 ch John N'unn_ ~ forgott~n . man move is over-ambitious - consolidation is. Kg2 Res . ENGLISH GRANDMASTER John because· of England's fine overall with l6.f3 or 16.Ndl is called for. 29. f6 Kd7 Nunn, age 25, might justifiably soon performance. If eyer there wasn't 16. f4?I Ng4 30. QXh7 Qd2ch 17. Nf3 31. Kg3 0Xd5 start to' feel· jinxed, as .the finer mo- a day to slaughter . Russian Lev 32. Kh4 Re8 ments of his chess career have-tended Polugayevsky, it was the day Nunn's 33. Resigns. to coincide with other great events. countryman Tony, Miles beat World He was the "unknown" third man in Champion Anatoly Karpov! The following puzzle comes· from the last British' championships ~ .However. Nunn did win the 1979 John Nunn's problem section in Inter• Robert Bellin won on tie-break and Cutty Sark £2000 grand prix all to national Chess; a new magazine which . 14-year-old Nigel Short got' all the himself, for being the most successful I mentioned in this column several publicity. : player on the. UK circuit, I got the months ago. Unfortunately, despite a · ;; At Hastirrgs over Christmas his first · considerably smaller second prize and great. · need for . this type of pub• · equal ahead.of a strong foreign con- a quantity of whisky, presumably to lication, it does not seem to have sur-1 •• tingent again took a· back seat - this console myself. -
British Knockout Chess Championship
PRESS RELEASE BRITISH KNOCKOUT CHESS CHAMPIONSHIP John Saunders reports: The 3rd British Knockout Championship takes place alongside the London Chess Classic from 1-9 December 2017, featuring most of the leading grandmasters from the UK plus the winner of the 4NCL Open held over the weekend of 3-5 November in Coventry. Pairings (The first named player has White in Game 1) Quarter Finals 1 Nigel Short v Alan Merry 2 Matthew Sadler v Jonathan Rowson 3 David Howell v Jonathan Hawkins 4 Gawain Jones v Luke McShane Semi Finals 1 Winner Quarter Final 1 v Winner Quarter Final 4 2 Winner Quarter Final 3 v Winner Quarter Final 2 Final Winner Semi Final 2 v Winner Semi Final 1 In the Final the colours will be reversed after the four Standardplay games, so that the winner of Semi Final 2 will have White in Games 1 and 3 (Standardplay) and Black in Games 5 and 7 (Rapid). A draw for colours in each match was performed on Tuesday 28th November at Chess and Bridge under the supervision of Malcolm Pein. Players were seeded based on their rating as at 1 November 2017, with Nigel Short placed ahead of Matthew Sadler based on his greater number of games played. Nigel Short returns as the reigning British Knockout Champion, having defeated Daniel Fernandez, Luke McShane and then David Howell in last year’s competition to claim the first prize of £20,000. Most grandmasters start drifting away from the game in their fifties but Nigel shows no sign of slackening the pace of his globe- trotting chess career. -
The Queen's Gambit
01-01 Cover - April 2021_Layout 1 16/03/2021 13:03 Page 1 03-03 Contents_Chess mag - 21_6_10 18/03/2021 11:45 Page 3 Chess Contents Founding Editor: B.H. Wood, OBE. M.Sc † Editorial....................................................................................................................4 Executive Editor: Malcolm Pein Malcolm Pein on the latest developments in the game Editors: Richard Palliser, Matt Read Associate Editor: John Saunders 60 Seconds with...Geert van der Velde.....................................................7 Subscriptions Manager: Paul Harrington We catch up with the Play Magnus Group’s VP of Content Chess Magazine (ISSN 0964-6221) is published by: A Tale of Two Players.........................................................................................8 Chess & Bridge Ltd, 44 Baker St, London, W1U 7RT Wesley So shone while Carlsen struggled at the Opera Euro Rapid Tel: 020 7486 7015 Anish Giri: Choker or Joker?........................................................................14 Email: [email protected], Website: www.chess.co.uk Danny Gormally discusses if the Dutch no.1 was just unlucky at Wijk Twitter: @CHESS_Magazine How Good is Your Chess?..............................................................................18 Twitter: @TelegraphChess - Malcolm Pein Daniel King also takes a look at the play of Anish Giri Twitter: @chessandbridge The Other Saga ..................................................................................................22 Subscription Rates: John Henderson very much -
CHESS-Nov2011 Cbase.Pdf
November 2011 Cover_Layout 1 03/11/2011 14:52 Page 1 Contents Nov 2011_Chess mag - 21_6_10 03/11/2011 11:59 Page 1 Chess Contents Chess Magazine is published monthly. Founding Editor: B.H. Wood, OBE. M.Sc † Editorial Editor: Jimmy Adams Malcolm Pein on the latest developments in chess 4 Acting Editor: John Saunders ([email protected]) Executive Editor: Malcolm Pein Readers’ Letters ([email protected]) You have your say ... Basman on Bilbao, etc 7 Subscription Rates: United Kingdom Sao Paulo / Bilbao Grand Slam 1 year (12 issues) £49.95 The intercontinental super-tournament saw Ivanchuk dominate in 2 year (24 issues) £89.95 Brazil, but then Magnus Carlsen took over in Spain. 8 3 year (36 issues) £125.00 Cartoon Time Europe Oldies but goldies from the CHESS archive 15 1 year (12 issues) £60.00 2 year (24 issues) £112.50 Sadler Wins in Oslo 3 year (36 issues) £165.00 Matthew Sadler is on a roll! First, Barcelona, and now Oslo. He annotates his best game while Yochanan Afek covers the action 16 USA & Canada 1 year (12 issues) $90 London Classic Preview 2 year (24 issues) $170 We ask the pundits what they expect to happen next month 20 3 year (36 issues) $250 Interview: Nigel Short Rest of World (Airmail) Carl Portman caught up with the English super-GM in Shropshire 22 1 year (12 issues) £72 2 year (24 issues) £130 Kasparov - Short Blitz Match 3 year (36 issues) £180 Garry and Nigel re-enacted their 1993 title match at a faster time control in Belgium.