Learn Chess the Right Way Book One: Must-Know Checkmates by Susan Polgar 160 Pages, Large Format ISBN: 978-1-941270-21-9 SRP: $19.95
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A Combinatorial Game Theoretic Analysis of Chess Endgames
A COMBINATORIAL GAME THEORETIC ANALYSIS OF CHESS ENDGAMES QINGYUN WU, FRANK YU,¨ MICHAEL LANDRY 1. Abstract In this paper, we attempt to analyze Chess endgames using combinatorial game theory. This is a challenge, because much of combinatorial game theory applies only to games under normal play, in which players move according to a set of rules that define the game, and the last player to move wins. A game of Chess ends either in a draw (as in the game above) or when one of the players achieves checkmate. As such, the game of chess does not immediately lend itself to this type of analysis. However, we found that when we redefined certain aspects of chess, there were useful applications of the theory. (Note: We assume the reader has a knowledge of the rules of Chess prior to reading. Also, we will associate Left with white and Right with black). We first look at positions of chess involving only pawns and no kings. We treat these as combinatorial games under normal play, but with the modification that creating a passed pawn is also a win; the assumption is that promoting a pawn will ultimately lead to checkmate. Just using pawns, we have found chess positions that are equal to the games 0, 1, 2, ?, ", #, and Tiny 1. Next, we bring kings onto the chessboard and construct positions that act as game sums of the numbers and infinitesimals we found. The point is that these carefully constructed positions are games of chess played according to the rules of chess that act like sums of combinatorial games under normal play. -
Annex 42 Commission for Women in Chess Batumi, Georgia 29Th
Annex 42 Commission for Women in Chess Batumi, Georgia 29th September 2018, 11.00-13.00 Chairpersons: Susan Polgar (USA), M. Fierro (ECU) Present: N. Cinar (TUR), P. Ambarukwi (INA), D. Chen (TPE), A. Sorokina (BLR), S. Johnson (TTO), U. Umudova (AZE), A. Dimitrijevic (BIH), K. Blackman (BCF), D. Murray (BCF), C. Zhu (QAT), P. Truong (CAM), M. Naugana (MAW), K. Howie (SCO), C. Meyer (USA), R. Haring (USA), U. E. Gronn (NOR), S. Bayat (IRI), S. Rohde (USA), M. Khamboo (NEP), Dr. G. Font (HUN), Dr. N. Short (ENG), A. Karlovych (UKR) MATTERS DISCUSSED At the beginning of the meeting, we addressed the items discussed in the official WOM report submitted to FIDE. The Chairperson (Ms. Polgar) especially praised FIDE for the Women’s World Blitz and Rapid Championships in Saudi Arabia which had a substantially increased prize fund, though it was only one third of the prize in the Open section. The total prize fund in the Women’s championships were $250,000 for each event. Beatriz Marinello reported on her project “Smart Girl” on behalf of the Social Action commission, which included projects in Uganda, Chile, France and the US. This projects seeks to increase participation by girls in chess in those countries. Martha Fierro elaborated on the project about chess in women prisons in Genoa, Italy, which involved the training of refugees in Italy who in turn, train women prisoners. Sophia Rohde from the United States shared some of the work their federation is in doing to promote chess for girls in the USA. They subsequently presented a video showing various interviews with young girls in chess, highlighting the benefits and challenges that they experience in chess. -
The Check Is in the Mail June 2007
The Check Is in the Mail June 2007 NOTICE: I will be out of the office from June 16 through June 25 to teach at Castle Chess Camp in Atlanta, Georgia. During that GM Cesar Augusto Blanco-Gramajo time I will be unable to answer any of your email, US mail, telephone calls, or GAME OF THE MONTH any other form of communication. Cesar’s provisional USCF rating is 2463. NOTICE #2 As you watch this game unfold, you can The email address for USCF almost see Blanco’s rating go upwards. correspondence chess matters has changed to [email protected] RUY LOPEZ (C67) White: Cesar Blanco (2463) ICCF GRANDMASTER in 2006 Black: Benjamin Coraretti (0000) ELECTRONIC KNIGHTS 2006 Electronic Knights Cesar Augusto Blanco-Gramajo, born 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0–0 January 14, 1959, is a Guatemalan ICCF Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Grandmaster now living in the US and Ne4 participating in the 2006 Electronic An unusual sideline that seems to be Knights. Cesar has had an active career gaining in popularity lately. in ICCF (playing over 800 games there) and sports a 2562 ICCF rating along 8.Qe2 with the GM title which was awarded to him at the ICCF Congress in Ostrava in White chooses to play the middlegame 2003. He took part in the great Rest of as opposed to the endgame after 8. the World vs. Russia match, holding Qxd8+. With an unstable Black Knight down Eleventh Board and making two and quick occupancy of the d-file, draws against his Russian opponent. -
Preparation of Papers for R-ICT 2007
Chess Puzzle Mate in N-Moves Solver with Branch and Bound Algorithm Ryan Ignatius Hadiwijaya / 13511070 Program Studi Teknik Informatika Sekolah Teknik Elektro dan Informatika Institut Teknologi Bandung, Jl. Ganesha 10 Bandung 40132, Indonesia [email protected] Abstract—Chess is popular game played by many people 1. Any player checkmate the opponent. If this occur, in the world. Aside from the normal chess game, there is a then that player will win and the opponent will special board configuration that made chess puzzle. Chess lose. puzzle has special objective, and one of that objective is to 2. Any player resign / give up. If this occur, then that checkmate the opponent within specifically number of moves. To solve that kind of chess puzzle, branch and bound player is lose. algorithm can be used for choosing moves to checkmate the 3. Draw. Draw occur on any of the following case : opponent. With good heuristics, the algorithm will solve a. Stalemate. Stalemate occur when player doesn‟t chess puzzle effectively and efficiently. have any legal moves in his/her turn and his/her king isn‟t in checked. Index Terms—branch and bound, chess, problem solving, b. Both players agree to draw. puzzle. c. There are not enough pieces on the board to force a checkmate. d. Exact same position is repeated 3 times I. INTRODUCTION e. Fifty consecutive moves with neither player has Chess is a board game played between two players on moved a pawn or captured a piece. opposite sides of board containing 64 squares of alternating colors. -
Touring Problems – a Mathematical Approach
TOURING PROBLEMS – A MATHEMATICAL APPROACH VIPUL NAIK Abstract. The article surveys “touring”, a problem of “fun” math, and employs serious techniques to attack it. The text is suitable for high school students interested in Olympiad mathematics, as well as undergraduate students studying combinatorics and discrete math- ematics. It can be used to introduce the concept of a graph. A sequel to this article, on a similar analysis for “tiling” problems, shall also appear soon. 1. Prebeginnings 1.1. The knight’s tour. Chess pieces, with their variously defined moves, are a rich source of puzzles in recreational mathematics. Chess puzzles include the following types : • Nonattacking pieces puzzle : Given a piece with some moves defined, place as many copies of this piece as possible so that no two can kill each other. The proto- typical example of this is the eight queens problem – placing eight queens on the chessboard so that no two can kill each other. • Board domination puzzle : Given a piece with some moves defined, place as few copies of the piece as possible so that every square is either covered by some copy or is under direct attack by a copy of the piece. • Touring puzzle : Given a piece with some moves defined, construct a tour of the entire chessboard with that piece. The only nontrivial case of this for a standard chess piece is the knight’s tour. Each of these problems revolves around a piece, with certain moves defined for that piece. Instead of standard chess pieces, we may sometimes be interested in defining chess pieces with somewhat different moves. -
UIL Text 111212
UIL Chess Puzzle Solvin g— Fall/Winter District 2016-2017 —Grades 4 and 5 IMPORTANT INSTRUCTIONS: [Test-administrators, please read text in this box aloud.] This is the UIL Chess Puzzle Solving Fall/Winter District Test for grades four and five. There are 20 questions on this test. You have 30 minutes to complete it. All questions are multiple choice. Use the answer sheet to mark your answers. Multiple choice answers pur - posely do not indicate check, checkmate, or e.p. symbols. You will be awarded one point for each correct answer. No deductions will be made for incorrect answers on this test. Finishing early is not rewarded, even to break ties. So use all of your time. Some of the questions may be hard, but all of the puzzles are interesting! Good luck and have fun! If you don’t already know chess notation, reading and referring to the section below on this page will help you. How to read and answer questions on this test Piece Names Each chessman can • To answer the questions on this test, you’ll also be represented need to know how to read chess moves. It’s by a symbol, except for the pawn. simple to do. (Figurine Notation) K King Q • Every square on the board has an “address” Queen R made up of a letter and a number. Rook B Bishop N Knight Pawn a-h (We write the file it’s on.) • To make them easy to read, the questions on this test use the figurine piece symbols on the right, above. -
May 2020 E S
$3.95 orthwes N t C h May 2020 e s s Northwest Chess On the front cover: May 2020, Volume 74-05 Issue 868 Photo credit: Philip Peterson. ISSN Publication 0146-6941 Published monthly by the Northwest Chess Board. POSTMASTER: Send address changes to the Office of Record: Northwest Chess c/o Orlov Chess Academy 4174 148th Ave NE, On the back cover: Building I, Suite M, Redmond, WA 98052-5164. Paul Morphy grave. New Orleans, Louisiana. Photo credit: Philip Peterson. Periodicals Postage Paid at Seattle, WA USPS periodicals postage permit number (0422-390) NWC Staff Chesstoons: Editor: Jeffrey Roland, Chess cartoons drawn by local artist Brian Berger, [email protected] of West Linn, Oregon. Games Editor: Ralph Dubisch, [email protected] Publisher: Duane Polich, Submissions [email protected] Business Manager: Eric Holcomb, Submissions of games (PGN format is preferable for games), [email protected] stories, photos, art, and other original chess-related content are encouraged! Multiple submissions are acceptable; please indicate if material is non-exclusive. All submissions are subject Board Representatives to editing or revision. Send via U.S. Mail to: Chouchanik Airapetian, Eric Holcomb, Jeffrey Roland, NWC Editor Alex Machin, Duane Polich, Ralph Dubisch, 1514 S. Longmont Ave. Jeffrey Roland, Josh Sinanan. Boise, Idaho 83706-3732 or via e-mail to: Entire contents ©2020 by Northwest Chess. All rights reserved. [email protected] Published opinions are those of the contributors and do not necessarily reflect the views of the editor or the Northwest Chess Board. Northwest Chess is the official publication of the chess Northwest Chess Knights governing bodies of the states of Washington and Idaho. -
2011-10 Working Version.Pmd
$3.95 Northwest Chess October 2011 Northwest Chess Contents October 2011, Volume 65,10 Issue 765 ISSN Publication 0146-6941 Cover art: Robert Herrera Published monthly by the Northwest Chess Board. Office of record: 3310 25th Ave S, Seattle, WA 98144 Photo credit: Andrei Botez POSTMASTER: Send address changes to: Northwest Chess, PO Box 84746, Page 3: Annual Post Office Statement ............................ Eric Holcomb Seattle WA 98124-6046. Page 4: Portland Chess Club Centennial Open .................... Frank Niro Periodicals Postage Paid at Seattle, WA USPS periodicals postage permit number (0422-390) Page 17: Idaho Chess News ............................................. Jeffrey Roland NWC Staff Page 21: SPNI History ....................................................... Howard Hwa Editor: Ralph Dubisch, Page 22: Two Games .................................... Georgi Orlov, Kairav Joshi [email protected] Page 23: Letter to (and from) the editor ....................... Philip McCready Publisher: Duane Polich, Page 24: Publisher’s Desk and press release ...................... Duane Polich [email protected] Business Manager: Eric Holcomb, Page 25: Theoretically Speaking ........................................Bill McGeary [email protected] Page 27: Book Reviews .................................................. John Donaldson Board Representatives Page 29: NWGP 2011 ........................................................ Murlin Varner David Yoshinaga, Josh Sinanan, Page 30: USCF Delegates’ Report ........................................ -
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. -
Finding Checkmate in N Moves in Chess Using Backtracking And
Finding Checkmate in N moves in Chess using Backtracking and Depth Limited Search Algorithm Moch. Nafkhan Alzamzami 13518132 Informatics Engineering School of Electrical Engineering and Informatics Institute Technology of Bandung, Jalan Ganesha 10 Bandung [email protected] [email protected] Abstract—There have been many checkmate potentials that has pieces of a dark color. There are rules about how pieces players seem to miss. Players have been training for finding move, and about taking the opponent's pieces off the board. checkmates through chess checkmate puzzles. Such problems can The player with white pieces always makes the first move.[4] be solved using a simple depth-limited search and backtracking Because of this, White has a small advantage, and wins more algorithm with legal moves as the searching paths. often than Black in tournament games.[5][6] Keywords—chess; checkmate; depth-limited search; Chess is played on a square board divided into eight rows backtracking; graph; of squares called ranks and eight columns called files, with a dark square in each player's lower left corner.[8] This is I. INTRODUCTION altogether 64 squares. The colors of the squares are laid out in There have been many checkmate potentials that players a checker (chequer) pattern in light and dark squares. To make seem to miss. Players have been training for finding speaking and writing about chess easy, each square has a checkmates through chess checkmate puzzles. Such problems name. Each rank has a number from 1 to 8, and each file a can be solved using a simple depth-limited search and letter from a to h. -
Should Chess Players Learn Computer Security?
1 Should Chess Players Learn Computer Security? Gildas Avoine, Cedric´ Lauradoux, Rolando Trujillo-Rasua F Abstract—The main concern of chess referees is to prevent are indeed playing against each other, instead of players from biasing the outcome of the game by either collud- playing against a little girl as one’s would expect. ing or receiving external advice. Preventing third parties from Conway’s work on the chess grandmaster prob- interfering in a game is challenging given that communication lem was pursued and extended to authentication technologies are steadily improved and miniaturized. Chess protocols by Desmedt, Goutier and Bengio [3] in or- actually faces similar threats to those already encountered in der to break the Feige-Fiat-Shamir protocol [4]. The computer security. We describe chess frauds and link them to their analogues in the digital world. Based on these transpo- attack was called mafia fraud, as a reference to the sitions, we advocate for a set of countermeasures to enforce famous Shamir’s claim: “I can go to a mafia-owned fairness in chess. store a million times and they will not be able to misrepresent themselves as me.” Desmedt et al. Index Terms—Security, Chess, Fraud. proved that Shamir was wrong via a simple appli- cation of Conway’s chess grandmaster problem to authentication protocols. Since then, this attack has 1 INTRODUCTION been used in various domains such as contactless Chess still fascinates generations of computer sci- credit cards, electronic passports, vehicle keyless entists. Many great researchers such as John von remote systems, and wireless sensor networks. -
Women's Chess Commission Report
Annex 34 Minutes Commission for Women’s Chess 26 September 2010, 14.00-15.00 Co-Chairpersons: A. Kosteniuk (RUS), S. Polgar (USA) Present: R. Haring (USA), I. Leong (FIDE General Secretary), D. Jordan (GER), M. Fierro (ECU), F. Dapiran (ITA), M. Abol-Khair (EGY), G. El Sahar (EGY), O. Boytsun (UKR), G. Borg (MLT), D. Menendoz (ECU), M . Castro Solano (CRC) Susan Polgar opened the session and passed the word to Alexandra Kosteniuk. Alexandra reported about the work of the WOM from the FIDE Congress in Halkidki in 2009 till nowaday. From October 2009 till October 2010 the WOM has done many things to promote women’s chess in the world. Several Goodwill events took place in March 2010, conducted by the secretary of the women’s commission Martha Fierro. One FIDE Trainer’s Seminar, jointly organized by FIDE Women's Commission and FIDE Trainers Commission in association with US Chess Federation and American Chess University, was held May 7-9, 2010 in Atlanta, USA. The WOM received 2 invitations for women players to participate with all their expenses covered in a closed WIM norm and 1 for WGM closed (also with everything cover) in the closed tournament in Guingamp, France. FIDE Caissa Award was awarded to Nadezhda Kosintseva. From this year on this award will be given to the best players of the preceding year. The new voting will start in January 2011. From 2010 the WOM awards the women’s golden organizer award. This year the award went to the international women’s tournament of the 8 th March of Belgrade, Serbia which takes place yearly in the Spring.