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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. -
NEWSLETTER 159 (June 05, 2014)
NEWSLETTER 159 (June 05, 2014) SILVIO DANAILOV, GARRY KASPAROV AND JORAN AULIN JANSSON – JJ TAKE PART IN THE OFFICIAL OPENING CEREMONY OF NO LOGO NORWAY CHESS TOURNAMENT The ECU President Silvio Danailov, the chess legend Garry Kasparov and the President of the Norwegian Chess Federation Joran Aulin Jansson - JJ took part in the official opening ceremony of No Logo Norway Chess Tournament which started on 2nd June in Stavanger and will end on 13th June, 2014. No Logo Norway Chess is the strongest chess tournament this year worldwide. On 3rd June the ECU President Silvio Danailov gave an interview for the Norwegian TV channel NRK TV. On 4th June Mr. Danailov officially opened the second round of the competition by making the first symbolic move in the game between Veselin Topalov and Alexander Grischuk. © Ecuonline.net Page 1 ECU President also took part in the live commentary together with GM Nigel Short and Dirk Jan ten Geuzendam. This year participants in the second edition of the tournament are: Magnus Carlsen, Levon Aronian, Alexander Grischuk, Fabiano Caruana, Vladimir Kramnik, Veselin Topalov, Sergey Karjakin, Peter Svidler, Anish Giri and Simen Agdestein. © Ecuonline.net Page 2 © Ecuonline.net Page 3 Standings after round 2 Rk. Name Pts. Berger Wins Black wins i-Ratingprest 1 GM Fabiano Caruana 2,0 1,50 2 1 3472 (+9,50) 2 GM Levon Aronian 1,5 1,00 1 0 2892 (+2,00) 3 GM Simen Agdestein 1,0 1,25 0 0 2783 (+4,10) 4 GM Magnus Carlsen 1,0 1,00 0 0 2767 (-3,00) 5 GM Anish Giri 1,0 1,00 0 0 2754 (-0,00) 6 GM Vladimir Kramnik 1,0 0,75 0 0 2817 (+0,90) 7 GM Alexander Grischuk 1,0 0,50 1 1 2781 (-0,30) 8 GM Peter Svidler 0,5 0,50 0 0 2594 (-4,10) 9 GM Sergey Karjakin 0,5 0,25 0 0 2600 (-4,40) 10 GM Veselin Topalov 0,5 0,25 0 0 2588 (-4,70) Official website: http://norwaychess.com CC ASHDOD ILIT WINS THE ISRAELI NATIONAL TEAM CHAMPIONSHIP 2014 CC Ashdod Ilit won the Israeli National Team Championship 2014 with 45 game points. -
Players Biel International Chess Festival
2009 Players Biel International Chess Festival Players Boris Gelfand Israel, 41 yo Elo: 2755 World ranking: 9 Date and place of birth: 24.6.1968, in Minsk (Belarus) Lives in: Rishon-le-Zion (Israel) Israel ranking: 1 Best world ranking: 3 (January 1991) In Biel GMT: winner in 1993 (Interzonal) and 2005. Other results: 3rd (1995, 1997, 2001), 4th (2000) Two Decades at the Top of Chess This is not a comeback, since Boris Gelfand never left the chess elite in the last twenty years. However, at the age of 41, the Israeli player has reached a new peak and is experiencing a a third wind. He is back in the world Top-10, officially as number 9 (in fact, a virtual number 5, if one takes into account his latest results that have not yet been recorded). He had not been ranked so high since 2006. Age does not seem to matter for this player who is unanimously appreciated in the field, both for his technical prowess and his personality. In Biel, he will not only be the senior player of the Grandmaster tournament, but also the top ranked and the Festival’s most loyal participant. Since his first appearance in 1993, he has come seven times to Biel; it is precisely at this Festival that he earned one of his greatest victories: in 1993, he finished first in the Interzonal Tournament (which, by then, was the only qualifying competition for the world championship), out of 73 participating grandmasters (including Anand and Kramnik). His victory in Biel against Anand is mentioned in his book, My Most Memorable Games. -
Download the Booklet of Chessbase Magazine #199
THE Magazine for Professional Chess JANUARY / FEBRUARY 2021 | NO. 199 | 19,95 Euro S R V ON U I O D H E O 4 R N U A N DVD H N I T NG RE TIME: MO 17 years old, second place at the Altibox Norway Chess: Alireza Firouzja is already among the Top 20 TOP GRANDmasTERS ANNOTATE: ALL IN ONE: SEMI-TaRRasCH Duda, Edouard, Firouzja, Igor Stohl condenses a Giri, Nielsen, et al. trendy opening AVRO TOURNAMENT 1938 – LONDON SYSTEM – no reST FOR THE Bf4 CLash OF THE GENERATIONS Alexey Kuzmin hits with the Retrospective + 18 newly annotated active 5...Nh5!? Keres games THE MODERN BENONI UNDER FIRE! Patrick Zelbel presents a pointed repertoire with 6.Nf3/7.Bg5 THE MAGAZINE FOR PROFESSIONAL CHESS JANU 17 years old, secondARY / placeFEB at the RU Altibox Norway Chess: AlirezaAR FirouzjaY 2021 is already among the Top 20 NO . 199 1 2 0 2 G R U B M A H , H B M G E S DVD with first class training material for A B S S E club players and professionals! H C © EDITORIAL The new chess stars: Alireza Firouzja and Moscow in order to measure herself against Beth Harmon the world champion in a tournament. She is accompanied by a US official who warns Now the world and also the world of chess her about the Soviets and advises her not to has been hit by the long-feared “second speak with anyone. And what happens? She wave” of the Covid-19 pandemic. Many is welcomed with enthusiasm by the popu- tournaments have been cancelled. -
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. -
World Stars Sharjah Online International Chess Championship 2020
World Stars Sharjah Online International Chess Championship 2020 World Stars 2020 ● Tournament Book ® Efstratios Grivas 2020 1 Welcome Letter Sharjah Cultural & Chess Club President Sheikh Saud bin Abdulaziz Al Mualla Dear Participants of the World Stars Sharjah Online International Chess Championship 2020, On behalf of the Board of Directors of the Sharjah Cultural & Chess Club and the Organising Committee, I am delighted to welcome all our distinguished participants of the World Stars Sharjah Online International Chess Championship 2020! Unfortunately, due to the recent negative and unpleasant reality of the Corona-Virus, we had to cancel our annual live events in Sharjah, United Arab Emirates. But we still decided to organise some other events online, like the World Stars Sharjah Online International Chess Championship 2020, in cooperation with the prestigious chess platform Internet Chess Club. The Sharjah Cultural & Chess Club was founded on June 1981 with the object of spreading and development of chess as mental and cultural sport across the Sharjah Emirate and in the United Arab Emirates territory in general. As on 2020 we are celebrating the 39th anniversary of our Club I can promise some extra-ordinary events in close cooperation with FIDE, the Asian Chess Federation and the Arab Chess Federation for the coming year 2021, which will mark our 40th anniversary! For the time being we welcome you in our online event and promise that we will do our best to ensure that the World Stars Sharjah Online International Chess Championship -
Magnus Carlsen: Side 8-10 Superturnering I Sjakk 7.-18. Mai 2013
Norway Chess Superturnering i sjakk 7.-18. mai 2013 Magnus Carlsen: side 8-10 Sjakkens første super- stjerne møter verdens sjakkelite i Rogaland Stor skolesjakkturnering: Barn i Rogaland spiller sjakk side 3 Sjakkens ABC: Lær deg alt om sjakkspillet side 16-17 Sjakkpresident Jøran Aulin-Jansson: 92 timer med sjakk i strekk side 24-25 Tid for å skape historie Plutselig er vi der, og det er tid for å levere. Tanker, ideer, møter, diskusjoner og mye planlegging skal nå gi oss et godt og helt nytt arrangement. Det er tid for Norway Chess – tid for å skape historie. Det er nemlig aller første gang det arrangeres en slik super- turnering i Norge. Verden holder øynene åpne og kommer til å følge godt med når det skal utkjempes nye og viktige slag i regio- nen. Sverdslag i Hafrsfjord og kamp om kongemakt er byttet ut med å ta motstanderens konge på brettet. Mag- nus Carlsen skal for aller første gang få møte sine arges- te konkurrenter her hjemme, og møtet med Vishy Anand har allerede fått mye oppmerksomhet. Det er et stort arrangement, og vi skal vise fram mye flott av det vi har å by på. Quality Hotel Residence på Sandnes skal være hovedarena med mange av de i alt ni runde- Mannen bak ne. Men spillere og presse skal få stifte bekjentskap med Flor & Fjære, Universitetet, det nye flotte konserthuset i Tekst: Maren Stangeland Stavanger og en ”striglet” produksjonshall hos Aarbakke på Bryne. Hvordan kan det ha seg at vi har verdens beste sjakkspiller, men Sjakk har en lang historie. -
Super GM Lecture and Blitz Wednesday, Jan 16, 2019
Pacific Northwest Chess Center 12020 113th Ave NE #C-200, Kirkland, WA 98034 Super GM Lecture and Blitz Wednesday, Jan 16, 2019 Featured Super GM - GM Bu, Xiangzhi • World’s currently 27th ranked chess player with FIDE Elo 2725 (“Super GM”) • 2018 43rd Chess Olympia Champion (Team China, Batumi, Georgia) • 2017 Chess World Cup Round 4 (Eliminated World Champion GM Magnus Carlsen in Round 3. Watch video here) • 2015 World Team Chess Champion (Team China, Tsaghkadzor, Armenia) • 6th Youngest Chess Grand Master in human history (13 years, 10 months, 13 days) GM Bu, Xiangzhi Bio – Bu was born in Qingdao, a famous seaside city of China in 1985 and started chess training since age 6, inspired by his compatriot GM Xie Jun’s Women’s World Champion victory over GM Maya Chiburdanidze in 1991. A few years later Bu easily won in the Chinese junior championship and went on to achieve success in the international arena: he won 3rd place in the U12 World Youth Championship in 1997 and 1st place in the U14 World Youth Championship in 1998. In 1999 he achieved three GM norms within only two months, which made him the youngest grandmaster at the time, at the age of 13 years 10 months and 13 days, a record that was only broken two years later by GM Sergey Karjakin . In 2000, Bu defeated the Azerbaijani chess talent Teimour Radjabov by 6½-1½ in an eight-game Future World Champions Match organized by Garry Kasparov and was considered a super talent for future world champion contender. In 2004, Bu became the chess champion of China. -
Life Cycle Patterns of Cognitive Performance Over the Long
Life cycle patterns of cognitive performance over the long run Anthony Strittmattera,1 , Uwe Sundeb,1,2, and Dainis Zegnersc,1 aCenter for Research in Economics and Statistics (CREST)/Ecole´ nationale de la statistique et de l’administration economique´ Paris (ENSAE), Institut Polytechnique Paris, 91764 Palaiseau Cedex, France; bEconomics Department, Ludwig-Maximilians-Universitat¨ Munchen,¨ 80539 Munchen,¨ Germany; and cRotterdam School of Management, Erasmus University, 3062 PA Rotterdam, The Netherlands Edited by Robert Moffit, John Hopkins University, Baltimore, MD, and accepted by Editorial Board Member Jose A. Scheinkman September 21, 2020 (received for review April 8, 2020) Little is known about how the age pattern in individual perfor- demanding tasks, however, and are limited in terms of compara- mance in cognitively demanding tasks changed over the past bility, technological work environment, labor market institutions, century. The main difficulty for measuring such life cycle per- and demand factors, which all exhibit variation over time and formance patterns and their dynamics over time is related to across skill groups (1, 19). Investigations that account for changes the construction of a reliable measure that is comparable across in skill demand have found evidence for a peak in performance individuals and over time and not affected by changes in technol- potential around ages of 35 to 44 y (20) but are limited to short ogy or other environmental factors. This study presents evidence observation periods that prevent an analysis of the dynamics for the dynamics of life cycle patterns of cognitive performance of the age–performance profile over time and across cohorts. over the past 125 y based on an analysis of data from profes- An additional problem is related to measuring productivity or sional chess tournaments. -
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. -
London Chess Classic, Round 5
PRESS RELEASE London Chess Classic, Round 5 SUPER FABI GOES BALLISTIC , OTHERS LOSE THEIR FOCUS ... John Saunders reports: The fifth round of the 9th London Chess Classic, played on Wednesday 6 December 2017 at the Olympia Conference Centre, saw US number one Fabiano Caruana forge clear of the field by a point after winning his second game in a row, this time against ex-world champion Vishy Anand. Tournament leader Fabiano Caruana talks to Maurice Ashley in the studio (photo Lennart Ootes) It ’s starting to look like a one-man tournament. Caruana has won two games, the other nine competitors not one between them. We ’ve only just passed the mid-point of the tournament, of course, so it could all go wrong for him yet but it would require a sea change in the pacific nature of the tournament for this to happen. Minds are starting to go back to Fabi ’s wonder tournament, the Sinquefield Cup of 2014 when he scored an incredible 8 ½/10 to finish a Grand Canyon in points ahead of Carlsen, Topalov, Aronian, Vachier-Lagrave and Nakamura. That amounted to a tournament performance rating of 3103 which is so off the scale for these things that it doesn ’t even register on the brain as a feasible Elo number. Only super-computers usually scale those heights. For Fabi to replicate that achievement he would have to win all his remaining games in London. But he won ’t be worrying about the margin of victory so much as finishing first. He needs to keep his mind on his game and I won ’t jinx his tournament any further with more effusive comments. -
Bold Experiment YOUR NEW YEAR’S RESOLUTION: OVERCOME CHESS HOARDING!
Bold Experiment YOUR NEW YEAR’S RESOLUTION: OVERCOME CHESS HOARDING! Maurice JANUARY 2015 & Ashley Amy Lee’s Bold Experiment FineLine Technologies JN Index 80% 1.5 BWR PU JANUARY A USCF Publication $5.95 01 GM Wesley So and a friendly spectator hold up his winner’s check. 7 25274 64631 9 IFC_Layout 1 12/10/2014 11:28 AM Page 1 SLCC_Layout 1 12/10/2014 11:50 AM Page 1 The Chess Club and Scholastic Center of Saint Louis is preparing for another fantastic year! 2015 U.S. Championship 2015 U.S. Women’s Championship 2015 U.S. Junior Closed $10K Saint Louis Open GM/IM Title Norm Invitational 2015 Sinquefi eld Cup $10K Thanksgiving Open www.saintlouischessclub.org 4657 Maryland Avenue, Saint Louis, MO 63108 | (314) 361–CHESS (2437) | [email protected] NON-DISCRIMINATION POLICY: The CCSCSL admits students of any race, color, nationality, or ethnic origin. THE UNEXPECTED COLLISION OF CHESS AND HIP HOP CULTURE 2&72%(5r$35,/2015 4652 Maryland Avenue, Saint Louis, MO 63108 (314) 367-WCHF (9243) | worldchesshof.org Photo © Patrick Lanham Financial assistance for this project With support from the has been provided by the Missouri Regional Arts Commission Arts Council, a state agency. CL_01-2014_masthead_JP_r1_chess life 12/10/2014 10:30 AM Page 2 Chess Life EDITORIAL STAFF Chess Life Editor and Daniel Lucas [email protected] Director of Publications Chess Life Online Editor Jennifer Shahade [email protected] Chess Life for Kids Editor Glenn Petersen [email protected] Senior Art Director Frankie Butler [email protected] Editorial Assistant/Copy Editor Alan Kantor [email protected] Editorial Assistant Jo Anne Fatherly [email protected] Editorial Assistant Jennifer Pearson [email protected] Technical Editor Ron Burnett TLA/Advertising Joan DuBois [email protected] USCF STAFF Executive Director Jean Hoffman ext.