WCCC 2003

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Home * Tournaments * World Computer Chess Championship * 11th WCCC Graz 2003

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Dom im Berg [1]

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 [2] 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 [3] .

# Program CC R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 P SOS SoDOS Playoff
1 Shredder DE 12b1 6w1 2b0 5w1 4w1 10b1 3b½ 7w1 9w1 8b1 13w1 66 52 2w½ 2b1
2 Deep Fritz NL 10w1 11b1 1w1 4b0 3b½ 6w1 5b1 12w1 14b1 7w1 8w1 65½ 52½ 1b½ 1w0
3 Deep Junior IL 16w0 8b1 12w1 11b1 2w½ 4b1 1w½ 9b1 5b1 6w1 7b1 9 64½ 53
4 Brutus AT 5b1 16w1 13b1 2w1 1b0 3w0 12b½ 6w1 10b1 14w1 9b1 62½ 42
5 Green Light GB 4w0 7w1 16b1 1b0 10w1 12b½ 2w0 11b1 3w0 13b½ 15w1 6 63 22½
6 Diep NL 9w1 1b0 10w½ 16b1 11w½ 2b0 15w1 4b0 13w1 3b0 14w1 6 62 21
7 Chinito EU 13w0 5b0 8w1 9b1 12w0 16b1 11w1 1b0 15w1 2b0 3w0 5 60½ 18½
8 ParSOS DE 14b½ 3w0 7b0 15w1 13b0 9b½ 10w1 16b1 11w1 1w0 2b0 5 58½ 17½
9 Quark DE 6b0 12w0 15b1 7w0 14b1 8w½ 13b1 3w0 1b0 11b1 4w0 61½ 17
10 Falcon IL 2b0 15w1 6b½ 13w1 5b0 1w0 8b0 14w0 4w0 16b1 12w1 60½ 15½
11 Deep Sjeng BE 15b1 2w0 14b1 3w0 6b½ 13w1 7b0 5w0 8b0 9w0 16w1 57 15
12 List (disqualified) DE 1w0 9b1 3b0 14w1 7b1 5w½ 4w½ 2b0 16w0 15b0 10b0 4 64½ 20¼
13 Jonny DE 7b1 14w½ 4w0 10b0 8w1 11b0 9w0 15b1 6b0 5w½ 1b0 4 59½ 17¼
14 Nexus DE 8w½ 13b½ 11w0 12b0 9w0 15b½ 16w1 10b1 2w0 4b0 6b0 55 12¼
15 Hossa AT 11w0 10b0 9w0 8b0 16w1 14w½ 6b0 13w0 7b0 12w1 5b0 49
16 Ruy Lopez ES 3b1 4b0 5w0 6w0 15b0 7w0 14b0 8w0 12b1 10w0 11b0 2 58½ 13


11th World Computer Chess Championship 2003, Graz AT [4]

Program CC Authors Hardware
Brutus AT Chrilly Donninger, Alex Kure, Ulf Lorenz 8x custom FPGA on 4x cluster
Chinito EU Eugenio Castillo Jiménez, Pascal Tang
Deep Fritz NL Frans Morsch, Mathias Feist Intel 4xXeon 2.8 GHz
Deep Junior IL Amir Ban, Shay Bushinsky Intel 4xXeon 2.8 GHz
Deep Sjeng BE Gian-Carlo Pascutto AMD 2xOpteron 242 1.6 GHz
Diep NL Vincent Diepeveen, Arturo Ochoa 512x SGI supercomputer
Falcon IL Eli David
Green Light GB Tim Foden
Hossa AT Steffen A. Jakob
Jonny DE Johannes Zwanzger
List (disqualified) DE Fritz Reul, Erdogan Günes
Nexus DE Ralf Dörr
ParSOS DE Rudolf Huber
Quark DE Thomas Mayer
Ruy Lopez ES Álvaro Begué, José Manuel Morán
Shredder DE Stefan Meyer-Kahlen, Sandro Necchi Intel 2xXeon 3.06 GHz



Chess in a cave [5]

Photos & Games

Round 8


In the Dark, Ulf Lorenz, Chrilly Donninger and Vincent Diepeveen in Brutus vs. Diep [6] [7]

[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 : [1]

Round 11


Rudolf Huber of ParSOS vs. Mathias Feist of Fritz [8] [9]

[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 : [2]


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 [10].

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 [11] . With hindsight Fritz Reul was fully rehabilitated by the ICGA [12] in 2005:

Cancellation of Suspension

During the 2003 World Computer Chess Championship in Graz, it was unfortunately necessary for the ICGA to disqualify one of the participants, Fritz Reul, and to impose a suspension on him from taking part in ICGA events. This was because Mr. Reul did not respond positively to a request by the tournament committee to submit his program code for inspection, as required by the ICGA tournament rules.

We are now pleased to announce that Mr Reul has since submitted his program code to the scrutiny of an expert approved by the ICGA tournament committee and that this expert has declared Mr. Reul’s code to be completely above board, with no sign of any copying of code from other known programs. Furthermore Mr. Reul has submitted to the ICGA an apology for what happened in 2003 (see above). The ICGA tournament committee has therefore decided unanimously to lift the suspension on Mr. Reul with immediate effect and to welcome him back for participation in future ICGA events. London, England

David Levy

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 [13] [14] .

[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

See also


Chapter 6: 2003: Shredder, The Comeback Kid, Comes Back at 11th WCCC, page 83

Forum Posts

External Links


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