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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. -
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. -
The Modernized Najdorf First Edition 2018 by Thinkers Publishing Copyright © 2018 Milos Pavlovic
The Modernized Najdorf First edition 2018 by Thinkers Publishing Copyright © 2018 Milos Pavlovic All rights reserved. No part of this publication may be reproduced, stored in a re- trieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission from the publisher. All sales or enquiries should be directed to Thinkers Publishing, 9850 Landegem, Belgium. Email: [email protected] Website: www.thinkerspublishing.com Managing Editor: Romain Edouard Assistant Editor: Daniël Vanheirzeele Software: Hub van de Laar Proofreading: Bernard Carpinter Graphic Artist: Philippe Tonnard Cover Design: Iwan Kerkhof Production: BESTinGraphics ISBN: 9789492510389 D/2018/13730/20 The Modernized Najdorf Milos Pavlovic Thinkers Publishing 2018 Table of Contents Key to Symbols ..................................................................................................... 4 Preface ................................................................................................................. 5 Chapter 1 - 6th Move Sidelines .............................................................................. 7 Chapter 2 - The 6.f4 Variation ............................................................................. 41 Chapter 3 - The 6.Bc4 Variation......................................................................... 61 Chapter 4 - The 6.g3 Variation .......................................................................... 101 Chapter 5 - The 6.Be2 Variation...................................................................... -
United States Chess Federation How Many Variations?
UNITED STATES CHESS FEDERATION , ( I -• -I USCF .J •- .J America's Chess Periodical Volume XVI. Number 9 SEPTEMBER, \961 40 Cents HOW MANY VARIATIONS? 169,518,829,100,544,000,000,000,000,000 X 700 (See ~II. 253) REPORT FROM FIDE At tile ' CCClll 1'10£ COllgrefl heW at night, Mr. Hellimo has put forward the Leipzig, GrunJmmtcr M ilora V/(fmtlr 0/ Yu· original proposition to adjourn the game gruiall/6 fIIbcd mallll qlll!lIiOW} all to ,1M for a pause of 2 hours already after I adutsabilily of .Wltg lectmru In malor chaA first period of only 2 hour::, in view of event, aru:i Ille ".0. and co"", of Immlllll.re the lact that in its initial phase a game draWl by agreemlm' . J\/1 of tlw member ollcrs much less chances [or an effective C(JImlr/c1 0/ FIDE were poUcd 01 10 I/urlr analysis than later on. wcleu;JIC(!J 1111(/ idCf/iI all t/1e5e 111."0 (I I.e,· Among the federalions and persons litms and foffowllIg I.J Iflc $rUllIIllJry: who have recommended an organization of play allowing a great number or Summary of the resulh of the Inquiry on gumcs to be terminated in the sa me day the questions r.iHd by Grand-MlSler as they have been begun, certain have Vidmar. lironounced themselves in lavour of a The questions raised by Grand·Master lengthening of the [irs!: period ol play. Vidmar have aroused a rather vivid in while others wish to keep the duration terest and the number of answers pre. -
2016 Year in Review
The Gambit Nebraska State Chess Archives Nebraska State Chess 2016 The Year in Review. XABCDEFGHY 8Q+-+-mK-mk( 7+-+-+-+-' 6L+-sn-+-+& 5+-+-+-sN-% 4-+-+-+-+$ 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. -
Judicial Recourse for Victims of Gaming Fraud
SMITH FORMATTED 5.22.17.DOCX (DO NOT DELETE) 5/30/17 2:23 PM CHEATER’S JUSTICE: JUDICIAL RECOURSE FOR VICTIMS OF GAMING FRAUD Jordan T. Smith* I. INTRODUCTION Legends of extrajudicial “cheater’s justice” dealt upon gaming con-artists and swindlers have deep historical roots. In the Old West, a card shark may have been shot on sight.1 Later, when the mob (allegedly) ran Las Vegas, a hustler might have been given the choice of “hav[ing] the money and the hammer or [walking] out of here,” but not both.2 Gradually, as gambling became more socially acceptable and government regulation of it increased, disputants transitioned from wielding brutish self-help remedies to pursuing legal retribution.3 Today, courts largely accept that a party cheated in a gambling game can recover any losses in a civil action without necessarily being limited to administrative remedies through a state’s gaming regulators.4 * Mr. Smith is an attorney in Nevada. The views expressed in this Article belong solely to the Author and do not reflect the views of any employer or client. 1 See People v. Grimes, 64 P. 101, 103 (Cal. 1901) (“The deceased may have treated the appellant unfairly and unjustly in the matter of the game of cards, but that treatment gave appellant no legal excuse or justification for taking his life.”); see also State v. Vansant, 80 Mo. 67, 73–74, 1883 WL 9952, *5 (1883); Johnson v. State, 10 S.W. 235, 236 (Tex. App. 1888); State v. Shadwell, 57 P. 281 (Mont. 1899). -
1967 U.S. Women's Champion
1967 U.S. WOMEN'S CHAMPION Edith Lude Wear:!, lelt, pr.Hnllnq 11M cup .... hkh .hc donal~ In 1951. /9$1 U.s. Wornetn'. Champion Mrs. G/Hla Gro"er accept. lhe ClIp Im~kIfely followlno lhe toumomcml. S •• p. 190. ~ UNITED STATES ~ ._-- - - - --- -~ - ------ ---- -- -- . -- - - --~ -_. - Volume XXII Number 6 July, 1967 EDITOR: Burt Hochberg ------- --- --- --- -- CONTENTS Sarajevo 1967, by Dimitrije Bjelica .... ... ... ...... ... ...... .... ........... .............. 184 PRESIDENT Marshall Rohland Twa Games Fram Sara jevo, by Robert Byrne ... ... ......... ... ...... ................ 185 VICI·PRESIDENT Dutch Treat, by Bernard Zuckerman ............................ .... .................... 188 Isaac Kashdan REGIONAL VICE·PRESIDENTS Chess Life, Here and There, compiled by Wm. Go ichberg ......... ... 189. 203, 204, 207, 215 NEW ENCJLAND James Bolton Harold Dolldls Ell Buurdon Women's Chess, by Kothryn Slater ..... ......... ... ...... ............ .... ..... ............ 190 EASTERN Ii Obl'M LaBeU" Lewis E. Wood MIchael Raimo The College Column, by Mark L. Schwarcz ... ...... ...... ........................... 191 MID-ATLANTIC Earl Clary Steve Carruthers RObert Erk",. Observation Point, by Miro Rodojcic ... ...... .... ... ... .. ... ...... ... ... ............... 193 SOUTHERN Phlllp Lamb I-'w t H Lah.de Carroll M. Crull U. S. Open ... ..... ... ... ..... .. .. .. ........... .. ... ... .. ...................... ..... .................... 197 GREAT LAKES Donald W. Hlldlng Dr. Harvey M~ Clellan V. E. Vandenbur g Lorry Evans on Chess ... -
YEARBOOK the Information in This Yearbook Is Substantially Correct and Current As of December 31, 2020
OUR HERITAGE 2020 US CHESS YEARBOOK The information in this yearbook is substantially correct and current as of December 31, 2020. For further information check the US Chess website www.uschess.org. To notify US Chess of corrections or updates, please e-mail [email protected]. U.S. CHAMPIONS 2002 Larry Christiansen • 2003 Alexander Shabalov • 2005 Hakaru WESTERN OPEN BECAME THE U.S. OPEN Nakamura • 2006 Alexander Onischuk • 2007 Alexander Shabalov • 1845-57 Charles Stanley • 1857-71 Paul Morphy • 1871-90 George H. 1939 Reuben Fine • 1940 Reuben Fine • 1941 Reuben Fine • 1942 2008 Yury Shulman • 2009 Hikaru Nakamura • 2010 Gata Kamsky • Mackenzie • 1890-91 Jackson Showalter • 1891-94 Samuel Lipchutz • Herman Steiner, Dan Yanofsky • 1943 I.A. Horowitz • 1944 Samuel 2011 Gata Kamsky • 2012 Hikaru Nakamura • 2013 Gata Kamsky • 2014 1894 Jackson Showalter • 1894-95 Albert Hodges • 1895-97 Jackson Reshevsky • 1945 Anthony Santasiere • 1946 Herman Steiner • 1947 Gata Kamsky • 2015 Hikaru Nakamura • 2016 Fabiano Caruana • 2017 Showalter • 1897-06 Harry Nelson Pillsbury • 1906-09 Jackson Isaac Kashdan • 1948 Weaver W. Adams • 1949 Albert Sandrin Jr. • 1950 Wesley So • 2018 Samuel Shankland • 2019 Hikaru Nakamura Showalter • 1909-36 Frank J. Marshall • 1936 Samuel Reshevsky • Arthur Bisguier • 1951 Larry Evans • 1952 Larry Evans • 1953 Donald 1938 Samuel Reshevsky • 1940 Samuel Reshevsky • 1942 Samuel 2020 Wesley So Byrne • 1954 Larry Evans, Arturo Pomar • 1955 Nicolas Rossolimo • Reshevsky • 1944 Arnold Denker • 1946 Samuel Reshevsky • 1948 ONLINE: COVID-19 • OCTOBER 2020 1956 Arthur Bisguier, James Sherwin • 1957 • Robert Fischer, Arthur Herman Steiner • 1951 Larry Evans • 1952 Larry Evans • 1954 Arthur Bisguier • 1958 E. -
An Elo-Based Approach to Model Team Players and Predict the Outcome of Games
AN ELO-BASED APPROACH TO MODEL TEAM PLAYERS AND PREDICT THE OUTCOME OF GAMES A Thesis by RICHARD EINSTEIN DOSS MARVELDOSS Submitted to the Office of Graduate and Professional Studies of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Chair of Committee, Jean Francios Chamberland Committee Members, Gregory H. Huff Thomas R. Ioerger Head of Department, Scott Miller August 2018 Major Subject: Computer Engineering Copyright 2018 Richard Einstein Doss Marveldoss ABSTRACT Sports data analytics has become a popular research area in recent years, with the advent of dif- ferent ways to capture information about a game or a player. Different statistical metrics have been created to quantify the performance of a player/team. A popular application of sport data anaytics is to generate a rating system for all the team/players involved in a tournament. The resulting rating system can be used to predict the outcome of future games, assess player performances, or come up with a tournament brackets. A popular rating system is the Elo rating system. It started as a rating system for chess tour- naments. It’s known for its simple yet elegant way to assign a rating to a particular individual. Over the last decade, several variations of the original Elo rating system have come into existence, collectively know as Elo-based rating systems. This has been applied in a variety of sports like baseball, basketball, football, etc. In this thesis, an Elo-based approach is employed to model an individual basketball player strength based on the plus-minus score of the player. -
Starting Out: the Sicilian JOHN EMMS
starting out: the sicilian JOHN EMMS EVERYMAN CHESS Everyman Publishers pic www.everymanbooks.com First published 2002 by Everyman Publishers pIc, formerly Cadogan Books pIc, Gloucester Mansions, 140A Shaftesbury Avenue, London WC2H 8HD Copyright © 2002 John Emms Reprinted 2002 The right of John Emms to be identified as the author of this work has been asserted in accordance with the Copyrights, Designs and Patents Act 1988. 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, electrostatic, magnetic tape, photocopying, recording or otherwise, without prior permission of the publisher. British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. ISBN 1 857442490 Distributed in North America by The Globe Pequot Press, P.O Box 480, 246 Goose Lane, Guilford, CT 06437·0480. All other sales enquiries should be directed to Everyman Chess, Gloucester Mansions, 140A Shaftesbury Avenue, London WC2H 8HD tel: 020 7539 7600 fax: 020 7379 4060 email: [email protected] website: www.everymanbooks.com EVERYMAN CHESS SERIES (formerly Cadogan Chess) Chief Advisor: Garry Kasparov Commissioning editor: Byron Jacobs Typeset and edited by First Rank Publishing, Brighton Production by Book Production Services Printed and bound in Great Britain by The Cromwell Press Ltd., Trowbridge, Wiltshire Everyman Chess Starting Out Opening Guides: 1857442342 Starting Out: The King's Indian Joe Gallagher 1857442296 -
Letter and Report
University at Buffalo State University of New York Department of Computer Science and Engineering January 13, 2013 Emil Sutovsky, President BartlomiejMacieja, General Secretary Association of Chess Professionals Dear Emil, Bartek, and ACP Board Members: I am writing out of general concern at the increased spectre of cheating at chess, and from particular concern about issues of due process. It is prompted by current reports [1,2,3] and public discussion of the allegations against Mr. Borislav Ivanov from the 2012 Zadar Open, which was held last Dec. 16{22. In these reports, and in posts by other bloggers and commenters [4,5,6,7], the main evidence comprises tests of moves with computer chess programs, and assertions about the frequency of the played move `matching' the program's first choice (or first few choices), alongside ideas about unlikelihood of rating-performance fluctuations. None of these tests so far presented meets scientific needs of regular methodology, reproducibility, bases for comparison, or confidence intervals for conclusions. However, the need for such tests is recognized by many, no less the esteemed Leonard Barden, in his comments to the ChessVibes story [1] which appear immediately afterward at the top. Barden called for a test of Mr. Ivanov's nine games at the 2012 Zadar Open with \Houdini or another top program." I have worked on meeting these needs since October 2006, in co-operation with others including Guy Haworth of Reading University (UK) [8,9,10]. My appended report shows the workings and significance of my procedure. There has been wide concern about due process [11]. -
Revive USCF Amateur Championship to Challenge Skill of Players
+ ess le Ae,ica-d Copyright 1955 by Vol. IX. No. 15 Tuesday. AprilS, 1955 IS Cenla Revive USCF Amateur Championship Conducted bl} Position Nc), JJ8 To Challenge Skill of Players RUSSELL CHAUVENET Alter a lapse of nine years. the U.S. Amateur Championship Tourna END solutions to Position No. ment is being revived to provide a gala proving ground for the amateur S 158 to Russell Chauvenct, 721 chess players of the USh in an event where masters are welcomed only Gist Ave. , Silver Spring, Md., by as silent kibitzeTS. Among the present U. S. masters who in humbler and May 5, 1955. With your solution less rceognized capacity playcd in former U. S. Amate~r Championships please send analysis or reasons are Dr. Ariel Mengarini (victor in 1943), Sven Almgren. (second in 1943). supporting your choice as "Best and U. S. Champion Arthur B. Bisgnier (fifth .in 1945). Move" or moves. But previous Amateur Championships could never lay claim to the lavish setting of the 1955 U. S. Amateur Championship event, whieh will Solution to pO$ition No. 158 w ill ell" pur In the M ~ y 20, USS 'Hue. be held on beautiful Lake Mohegan at ·the famous Mohegan Country Club--only an hour and a half by bus or train from New York City. Here NOTE: Do nat p/#Ct ,&lunons to t.1I the lure of swimming, boating, tennis, handball, basketball, p ing·pong, positions 011 <1111' , ..rd; ht SU't to i"Jic<ll.t bridge and many other activities will vie for the spare time of the (011"1 nu mbu 0/ position being wInd, chC'Ss player , his family and visitors, when not contending over the .