WCCC 2003

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The Eleventh World Computer Chess Championship took place from November 22 to 30, 2003, in Dom im Berg in Graz, European Capital of Culture in 2003, Austria, in conjunction with the 8th Computer Olympiad and the 10th Advances in Computer Games Conference. After 11 rounds, Shredder and Fritz tied first with 9½. Two playoff games decided the Championship, where Shredder won with 1½-½.

=Final Standing= 11th World Computer Chess Championship 2003, Graz AT.
 * CC Country Codes
 * SOS: Sum of Opponent Scores (excluding playoff)
 * SoDOS: Sum of Defeated Opponent Scores (excluding playoff)

=Participants= 11th World Computer Chess Championship 2003, Graz AT
 * CC Country Codes

=Photos= Chess in a cave

=Photos & Games=

Round 8
In the Dark, Ulf Lorenz, Chrilly Donninger and Vincent Diepeveen in Brutus vs. Diep [Event "WCCC 2003"] [Site "Graz, Austria"] [Date "2003.11.27"] [Round "8"] [White "Brutus"] [Black "Diep"] [Result "1-0"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 Nbd7 9.Qd2 b5 10.a4 b4 11.Nd5 Bxd5 12.exd5 Nb6 13.Bxb6 Qxb6 14.a5 Qb7 15.Bc4 Be7 16.Ra4 Rb8 17.Nc1 O-O 18.b3 Bd8 19.Na2 Nd7 20.Kd1 Qc8 21.Nxb4 Nc5 22.Ra2 Bg5 23.Nc6 Qxc6 24.dxc6 Bxd2 25.Kxd2 Rfc8 26.Bd5 Ne6 27.Rd1 Nd8 28.c3 Kf8 29.g4 Ke7 30.h4 Rc7 31.Ra4 f6 32.h5 Nxc6 33.Rc4 Kd7 34.b4 h6 35.f4 exf4 36.Rxf4 Ne5 37.Re1 Rb5 38.Bb3 Rbb7 39.Re3 Rb8 40.Rd4 Rbc8 41.Bd5 Rc4 42.Rde4 R4c7 43.Kc2 Rb8 44.Rd4 Rb5 45.Kb3 Nc6 46.Be6+ Ke7 47.Bc4+ Re5 48.Rdd3 Ra7 49.Bd5 Nd8 50.Re4 Ne6 51.Rd2 Kd7 52.c4 Nc7 53.Red4 Nxd5 54.Rxd5 Rxd5 55.Rxd5 Ke6 56.Kc3 Ra8 57.Kd4 g6 58.hxg6 Rg8 59.c5 dxc5+ 60.bxc5 Rxg6 61.c6 Rxg4+ 62.Kc5 Ra4 63.Rd8 Rxa5+ 64.Kb6 Ra2 65.c7 Rc2 66.c8=Q+ Rxc8 67.Rxc8 Kf5 68.Rh8 Kg5 69.Kxa6 h5 70.Kb5 h4 71.Kc4 Kg4 72.Kd4 Kg3 73.Ke3 Kg4 74.Rh7 h3 75.Rh6 f5 76.Rg6+ Kh4 77.Kf4 1-0 Game and short analyze on Lichess.org :

Round 11
Rudolf Huber of ParSOS vs. Mathias Feist of Fritz [Event "WCCC 2003"] [Site "Graz, Austria"] [Date "2003.11.29"] [Round "11"] [White "Deep Fritz"] [Black "ParSOS"] [Result "1-0"]

1.Nf3 Nf6 2.g3 c5 3.Bg2 d5 4.O-O Nc6 5.d3 e5 6.Nbd2 Be7 7.e4 O-O 8.c3 dxe4 9.Nxe4 Nxe4 10.dxe4 Qxd1 11.Rxd1 Be6 12.Ng5 Bg4 13.Bf3 Bc8 14.Be2 h6 15.Nf3 Be6 16.Be3 Kh7 17.Bb5 f6 18.Nd2 Nd4 19.Bxd4 exd4 20.cxd4 cxd4 21.Nf3 Bg4 22.Be2 Bxf3 23.Bxf3 Bc5 24.h4 Rae8 25.Rac1 Bb6 26.a4 a5 27.Kg2 Kh8 28.b4 axb4 29.Rc4 Ba5 30.Rcxd4 Rc8 31.Rd5 b6 32.Bg4 Rc7 33.h5 Rc6 34.R1d3 Kg8 35.Bf5 Rb8 36.Rd7 Rcc8 37.Be6+ Kh8 38.R7d6 Rf8 39.Rd1 Ra8 40.f4 Rfb8 41.Bc4 Rc8 42.Bf7 Rf8 43.Rd7 b5 44.axb5 Rac8 45.e5 fxe5 46.fxe5 Rc2+ 47.Kh3 Re2 48.R1d6 Rxe5 49.b6 Rf5 50.b7 Rf6 51.Kg4 b3 52.Bxb3 1-0 Game and short analyze on Lichess.org :

=Prologue= There were no American participants due to a boycott caused by Chrilly Donninger's hatred e-mails to American computer chess programmers to protest against the Iraq War, which began on March 20, 2003 with the United States-led invasion.

=List Disqualification= List was not represented by Fritz Reul, but by book author Erdogan Günes. Fritz, probably not aware of the ICGA rules and with examination commitments, could not act appropriate to prove his program was not a clone, as accused by an official protest during the tournament. As a consequence, List was disqualified after eight of eleven rounds. With hindsight Fritz Reul was fully rehabilitated by the ICGA in 2005:

=Shredder - Jonny= Honorable sportsmanship intended, Johannes Zwanzger was subject of a difficult and controversial TD-decision. In the last round game, Shredder versus Jonny, Shredder had a winning position, already about to announce mate in X. There would nothing wrong for Johannes to resign on behalf of Jonny. Apparently due to a bug, Shredder allowed a threefold repetition, still high plus score. Johannes, while his engine had a zero score, and the external GUI a "Threefold repetition" Infobox popped up, decided that Info is no draw-claim and continued the game by making the move over the board. TD Jaap van den Herik first miss understood, assuming Johannes would claim a draw rather than asking to continue. [Event "WCCC 2003"] [Site "Graz, Austria"] [Date "2003.11.29"] [Round "11"] [White "Shredder"] [Black "Jonny"] [Result "1-0"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Be7 7.f4 O-O 8.Qf3 e5 9.Nf5 Bxf5 10.exf5 e4 11.Qh3 h6 12.Bh4 Qc7 13.g4 d5 14.g5 hxg5 15.fxg5 Nh5 16.O-O-O Rc8 17.Bg3 Nf4 18.Bxf4 Qxf4+ 19.Kb1 Bxg5 20.f6 Nc6 21.fxg7 Kxg7 22.Be2 d4 23.Rhf1 Qh4 24.Qf5 dxc3 25.Rg1 Kf8 26.Rxg5 Ne7 27.Qf6 Qh7 28.Rd7 Ng6 29.Rxb7 Qg7 30.Qd6+ Kg8 31.Rxf7 Qxf7 32.Rxg6+ Kh7 33.Rg4 Rab8 34.Rh4+ Kg8 35.Rg4+ Kh7 36.Rh4+ Kg8 37.Rg4+ Kh7 38.Bc4 Rxb2+ 39.Ka1 Rxc4 40.Rh4+ Kg8 41.Qd8+ Qf8 42.Rg4+ Kf7 43.Qd7+ Qe7 44.Rf4+ Kg6 45.Qxe7 Rxa2+ 46.Kxa2 Ra4+ 47.Kb3 Rb4+ 48.Kxb4 a5+ 49.Kxc3 a4 50.Qf6+ Kh5 51.Rh4# 1-0

=Tournament Director=
 * Jaap van den Herik

=See also=
 * 8th Computer Olympiad
 * Advances in Computer Games 10

=Publications=
 * Mark Winands, Jaap van den Herik, Johanna Hellemons (2003). The 8th Computer Olympiad. ICGA Journal, Vol. 26, No. 4 » 8th Computer Olympiad
 * Omid David (2003). The 11th World Computer-Chess Championship. ICGA Journal, Vol. 26, No. 4
 * Eric Hallsworth (2003). The World Computer Chess Championship, 2003. Selective Search 110, pp. 20, pdf hosted by Mike Watters
 * Monty Newborn (2011). Beyond Deep Blue: Chess in the Stratosphere. Springer, ISBN-13: 978-0857293404, amazon
 * [[FILE:bejDeepBlue.jpg|none|border|text-bottom|link=http://www.springer.com/computer/general+issues/book/978-0-85729-340-4]]
 * Chapter 6: 2003: Shredder, The Comeback Kid, Comes Back at 11th WCCC, page 83

=Forum Posts=
 * Why I am not going to the Graz WCCC by Bruce Moreland, CCC, April 01, 2003
 * Hello from Graz! by Gian-Carlo Pascutto, CCC, November 21, 2003
 * Junior - Ruy Lopez (diagram). Shredder says -3.10!! by Jaime Benito de Valle Ruiz, CCC, November 22, 2003
 * WM Graz: Ruy-Lopez FANTASTICO !! My Congratulation to team Ruy-Lopez! by Eduard Nemeth, CCC, November 22, 2003
 * WCCC: interesting position from Hossa - Ruy Lopez by Steffen A. Jakob, CCC, November 26, 2003
 * Shredder wins in Graz after controversy by Darse Billings, CCC, December 09, 2003
 * Shredder wins in Graz after controversy -- rebuttal by Darse Billings, CCC, December 21, 2003
 * CI 89 and Combinations from Graz 2003 - Parsos/DJ & List/Shredder by Mike Byrne, May 08, 2004

=External Links=
 * 11th World Computer Chess Championship from the ICGA Tournament Database
 * Live from Graz: Computer Chess World Championship, ChessBase News, November, 22, 2003
 * Chess in a cave – live from Graz, ChessBase News, November, 23, 2003
 * Brutus auf WM-Kurs? by Peter Schreiner, ChessBase News, November 24, 2003 (German)
 * Live from Graz – Fritz and Shredder lead, ChessBase News, November, 27, 2003
 * Lauter Favoritensiege by Peter Schreiner, ChessBase News, November 27, 2003 (German)
 * Fritz and Shredder win Computer Chess Championship, ChessBase News, November, 30, 2003
 * Shredder wins the Computer World Championship, ChessBase News, November, 30, 2003
 * Super Diep by Vincent Diepeveen, Schaakclub Oud Zuylen Utrecht (Dutch)
 * Computerschachweltmeisterschaft Graz 2003 by Peter Schreiner, Schachclub Leinzell, February 2004 (German)

=References=

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