David Janowski : Artist of the Chess Board Pdf, Epub, Ebook
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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. -
+P+-+K+- +-+-+-+- B -+-+P+-+ W -+-+-+-+ Zlw-+P+R +-+-+-Z- P+-+N+Q+ P+-+-+-+ +-+-+-+- Z-+K+-+- -+-+-TP+ Kwqs-Z-S +-+-+RM- +-+-+-+
Contents Symbols 4 Introduction 5 Part 1: The Basics 1 Pin 7 2 Deflection 16 3 Overload 23 4 Decoy 28 5 Double Attack 36 6 Knight Fork 44 7 Discovered Attack 50 8 Clearance 56 9 Obstruction 64 10 Removing the Defender 71 11 The Power of the Pawn 77 12 Back-Rank Mate 85 13 Stalemate 91 14 Perpetual Check and Fortresses 96 Part 2: Advanced Tactics 15 f7: Weak by Presumption 103 16 The Vulnerable Rook’s Pawn 111 17 Attacking the Fianchetto 118 18 The Mystery of the Opposite-Coloured Bishops 125 19 Chess Highways: Open Files 131 20 Trapping a Piece 141 21 Practice Makes Perfect 149 Solutions 158 Index of Players 188 Index of Composers 191 KNIGHT FORK 6 Knight Fork The knight is considered to be the least powerful White is now a queen and two rooks down – piece in chess (besides the pawn, of course). As a deficit of approximately 19 ‘pawns’. His only the great world champion Jose Raul Capablanca remaining piece is a knight. But a brave one... taught us, the other minor piece, the bishop, is 3 Ìe3+ Êf6 4 Ìxd5+ Êf5 5 Ìxe7+ Êf6 6 better in 90% of cases. However, due to its spe- Ìxg8+ (D) cific qualities the knight is a tremendously dan- gerous piece. It is nimble and its jumps can be -+-+-+N+ quite shocking. That is why a double attack by a +-+-+p+- knight is usually distinguished from other dou- B ble attacks and called a fork. -+-+nm-M +-+-z-+- A single knight may cause incredible dam- age in the right circumstances: -+-+-+-+ +-+-+PZ- -+-+-+q+ -+-+-+-+ +-+r+p+- +-+-+-+- W -+N+nm-M +-+rz-+- The knight has managed to remove most of Black’s army. -
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. -
The Wangling Wizards the Chess Problems of the Warton Brothers
The Wangling Wizards The chess problems of the Warton brothers Compiled by Michael McDowell ½ û White to play and mate in 3 British Chess Problem Society 2005 The Wangling Wizards Introduction Tom and Joe Warton were two of the most popular British chess problem composers of the twentieth century. They were often compared to the American "Puzzle King" Sam Loyd because they rarely composed problems illustrating formal themes, instead directing their energies towards hoodwinking the solver. Piquant keys and well-concealed manoeuvres formed the basis of a style that became known as "Wartonesque" and earned the brothers the nickname "the Wangling Wizards". Thomas Joseph Warton was born on 18 th July 1885 at South Mimms, Hertfordshire, and Joseph John Warton on 22 nd September 1900 at Notting Hill, London. Another brother, Edwin, also composed problems, and there may have been a fourth composing Warton, as a two-mover appeared in the August 1916 issue of the Chess Amateur under the name G. F. Warton. After a brief flourish Edwin abandoned composition, although as late as 1946 he published a problem in Chess . Tom and Joe began composing around 1913. After Tom’s early retirement from the Metropolitan Police Force they churned out problems by the hundred, both individually and as a duo, their total output having been estimated at over 2600 problems. Tom died on 23rd May 1955. Joe continued to compose, and in the 1960s published a number of joints with Jim Cresswell, problem editor of the Busmen's Chess Review , who shared his liking for mutates. Many pleasing works appeared in the BCR under their amusing pseudonym "Wartocress". -
From Los Angeles to Reykjavik
FROM LOS ANGELES CHAPTER 5: TO REYKJAVIK 1963 – 68 In July 1963 Fridrik Ólafsson seized a against Reshevsky in round 10 Fridrik ticipation in a top tournament abroad, Fridrik spent most of the nice opportunity to take part in the admits that he “played some excellent which occured January 1969 in the “First Piatigorsky Cup” tournament in games in this tournament”. Dutch village Wijk aan Zee. five years from 1963 to Los Angeles, a world class event and 1968 in his home town the strongest one in the United States For his 1976 book Fridrik picked only Meanwhile from 1964 the new bian- Reykjavik, with law studies since New York 1927. The new World this one game from the Los Angeles nual Reykjavik chess international gave Champion Tigran Petrosian was a main tournament. We add a few more from valuable playing practice to both their and his family as the main attraction, and all the other seven this special event. For his birthday own chess hero and to the second best priorities. In 1964 his grandmasters had also participated at greetings to Fridrik in “Skák” 2005 Jan home players, plus provided contin- countrymen fortunately the Candidates tournament level. They Timman showed the game against Pal ued attention to chess when Fridrik Benkö from round 6. We will also have Ólafsson competed on home ground started the new biannual gathered in the exclusive Ambassador Hotel in Los Angeles for a complete a look at some critical games which against some famous foreign players. international tournament double round event of 14 rounds. -
Шахматных Задач Chess Exercises Schachaufgaben
Всеволод Костров Vsevolod Kostrov Борис Белявский Boris Beliavsky 2000 Шахматных задач Chess exercises Schachaufgaben РЕШЕБНИК TACTICAL CHESS.. EXERCISES SCHACHUBUNGSBUCH Шахматные комбинации Chess combinations Kombinationen Часть 1-2 разряд Part 1700-2000 Elo 3 Teil 1-2 Klasse Русский шахматный дом/Russian Chess House Москва, 2013 В первых двух книжках этой серии мы вооружили вас мощными приёмами для успешного ведения шахматной борьбы. В вашем арсенале появились двойной удар, связка, завлечение и отвлечение. Новый «Решебник» обогатит вас более изысканным тактическим оружием. Не всегда до короля можно добраться, используя грубую силу. Попробуйте обхитрить партнёра с помощью плаща и кинжала. Маскируйтесь, как разведчик, и ведите себя, как опытный дипломат. Попробуйте найти слабое место в лагере противника и в нужный момент уничтожьте защиту и нанесите тонкий кинжальный удар. Кстати, чужие фигуры могут стать союзниками. Умелыми манёврами привлеките фигуры противника к их королю, пускай они его заблокируют так, чтобы ему, бедному, было не вздохнуть, и в этот момент нанесите решающий удар. Неприятно, когда все фигуры вашего противника взаимодействуют между собой. Может, стоить вбить клин в их порядки – перекрыть их прочной шахматной дверью. А так ли страшна атака противника на ваши укрепления? Стоит ли уходить в глухую оборону? Всегда ищите контрудар. Тонкий промежуточный укол изменит ход борьбы. Не сгрудились ли ваши фигуры на небольшом пространстве, не мешают ли они друг другу добраться до короля противника? Решите, кому всё же идти на штурм королевской крепости, и освободите пространство фигуре для атаки. Короля всегда надо защищать в первую очередь. Используйте это обстоятельство и совершите открытое нападение на него и другие фигуры. И тогда жернова вашей «мельницы» перемелют всё вражеское войско. -
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. -
Braille Chess Association Annual General Meeting and Chess Congress
ChessMoves March/April 2010 NEWSLETTER OF THE ENGLISH CHESS FEDERATION £1.50 BraiLLe Chess assoCiation annual General Meeting and Chess Congress George Phillips of Kingston-upon-Thames, winner of the Minor section This chess extravaganza took place at the Hallmark Hotel, Derby from the 5th – 7th March 2010. Chris Ross and George Phillips each achieved perfect five from five scores in the open and the minor events respectively in the annual BCA AGM tournament. One way of boosting attendance at an AGM! (continued on page 3) editorial Today (18/03/10) CJ de Mooi the ECF President visited the Office at Battle for the first time (the original The ECF April Finance Council Meeting will be held in visit was postponed because of the LondonECF on the 17th April. FullNews details and a map are horrendous weather in January). available on the ECF website (www.englishchess.org.uk) This was only my second meeting with CJ and what a really nice, new eCF Manager of Women’s Chess! approachable man he is, unlike the public persona portrayed on Ljubica Lazarevic websites. [email protected] Cynthia Gurney, Editor Ljubica’s interest in chess began watching games played at her secondary school’s chess club. Soon after she eCF Batsford joined what was Grays Chess Club (now Thurrock Chess Club). Over the past few years Ljubica has co-organised Competition tournaments including the British Blitz Championships, Winner JANUARY-FeBrUARY as well as playing in congresses in the UK and abroad. Guy Gibson from Kew Having recently completed her doctorate, Ljubica takes on the role The correct Answer is 1.e5 of manager of women’s chess and is keen to make the game a more This issue’s problem approachable and enjoyable experience for women of all ages and Robin C. -
Emanuel Lasker 2Nd Classical World Champ from 1894-1921
Emanuel Lasker 2nd classical world champ from 1894-1921 Emanuel Lasker, (born December 24, 1868, Berlinchen, Prussia [now Barlinek, Poland]— died January 11, 1941, New York, New York, U.S.), Emanuel Lasker was a German chess player, mathematician, and philosopher who was World Chess Champion for 27 years, from 1894 to 1921, the longest reign of any officially recognised World Chess Champion in history. Lasker, the son of a Jewish cantor, first left Prussia in 1889 and only five years later won the world chess championship from Wilhelm Steinitz. He went on to a series of stunning wins in tournaments at St. Petersburg, Nürnberg, London, and Paris before concentrating on his education. In 1902 he received his doctorate in mathematics from the University of Erlangen- Nürnberg, Germany. In 1904 Lasker resumed his chess career, publishing a magazine, Lasker’s Chess Magazine, for four years and winning against the top masters. He continued to play successfully through 1925, when he retired. He was forced out of retirement, however, after Nazi Germany confiscated his property in 1933. Fleeing first to England, then to the U.S.S.R., and finally to the U.S., he returned to tournament play, where he again competed at the highest levels, a rare achievement for his age. Lasker changed the nature of chess not in its strategy but in its economic base. He became the first chess master to demand high fees and thus paved the way to strengthening the financial status of professional chess players. He invented new endgame theories and then retired for some years to study philosophy and to teach and write. -
An Arbiter's Notebook
10.2 Again Purchases from our shop help keep ChessCafe.com freely accessible: Question: Dear, Mr. Gijssen. I was playing in a tournament and the board next to me played this game: 1.Nf3 Nf6 2.Ng1 Ng8 3.Nf3 Nf6 4.Ng1 Ng8. When a draw was claimed, the arbiter demanded that both players replay the game. When one of them refused, the arbiter forfeited them. Does the opening position count for purposes of threefold repetition? Matthew Larson (UK) Answer In my opinion, the arbiter was right not to accept this game. I refer to Article 12.1 of the Laws of Chess: An Arbiter’s The players shall take no action that will bring the game of chess into disrepute. Notebook To produce a "game" as mentioned in your letter brings the game of chess The Greatest Tournaments into disrepute. The only element in your letter that puzzles me is the fact that Geurt Gijssen 2001-2009 the arbiter forfeited both players, although only one refused to play a new by Chess Informant game. The question of the threefold repetition is immaterial in this case. Question Greetings, Mr. Gijssen. I acted as a member of the appeals committee in a rapid chess tournament (G60/sudden death). I also won that tournament, but I am not a strong player, just 2100 FIDE, with a good understanding of the rules. The incident is as follows: A player lost a game and signed the score sheet, and then he appealed the decision of the arbiter to the committee with regards to some bad rulings during the game. -
Kasparov's Nightmare!! Bobby Fischer Challenges IBM to Simul IBM
California Chess Journal Volume 20, Number 2 April 1st 2004 $4.50 Kasparov’s Nightmare!! Bobby Fischer Challenges IBM to Simul IBM Scrambles to Build 25 Deep Blues! Past Vs Future Special Issue • Young Fischer Fires Up S.F. • Fischer commentates 4 Boyscouts • Building your “Super Computer” • Building Fischer’s Dream House • Raise $500 playing chess! • Fischer Articles Galore! California Chess Journal Table of Con tents 2004 Cal Chess Scholastic Championships The annual scholastic tourney finishes in Santa Clara.......................................................3 FISCHER AND THE DEEP BLUE Editor: Eric Hicks Contributors: Daren Dillinger A miracle has happened in the Phillipines!......................................................................4 FM Eric Schiller IM John Donaldson Why Every Chess Player Needs a Computer Photographers: Richard Shorman Some titles speak for themselves......................................................................................5 Historical Consul: Kerry Lawless Founding Editor: Hans Poschmann Building Your Chess Dream Machine Some helpful hints when shopping for a silicon chess opponent........................................6 CalChess Board Young Fischer in San Francisco 1957 A complet accounting of an untold story that happened here in the bay area...................12 President: Elizabeth Shaughnessy Vice-President: Josh Bowman 1957 Fischer Game Spotlight Treasurer: Richard Peterson One game from the tournament commentated move by move.........................................16 Members at -
Misha Interviews
Misha Interviews... Misha Interview with Tigran L. Petrosian Tigran L. Petrosian was born in Yerevan in 1984. He obtained the Interviews... international grandmaster title in 2004, and his current FIDE rating is 2568. He is not related to former world champion Tigran V. Misha Savinov Petrosian or grandmaster Arshak Petrosian. Misha Savinov: Tigran, were you named after the ninth world champion Tigran V. Petrosian? Orders? Inquiries? You can Tigran Petrosian: Yes, my father is now call toll-free: a big fan of chess, so when Petrosian 1-866-301-CAFE defeated Botvinnik, he decided to name his future son after the champion. Naturally, he also wanted me to become a chess player. MS: What attracted you to chess when you began playing? TP: It is difficult to remember what I liked about chess as a 5-year-old! MS: Tell me about your first steps in chess. Where did you study the game? TP: I learned to play at age five; my first trainer was Honored Trainer of Armenia Gagik Sargissian. Later, in 1998, I took lessons from IM Melikset Khachian for a couple of years. Then I entered a chess academy in 2002, where I occasionally received instruction from Ashot Nadanian and Arsen Egiazarian, but I mostly worked on my own. MS: When did you earn your international titles? TP: At 18 years old I didn’t have an international title, but I set myself a goal of qualifying for the GM title in two years. It took 16 months to meet the first IM and GM requirements. MS: Did you have any problems with those norms? file:///C|/cafe/misha/misha.htm (1 of 9) [2/7/2005 10:33:18 PM] Misha Interviews..