Shredder versus Hydra 2004

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Shredder versus Hydra 2004, was a 8 game computer chess match between Shredder and Hydra, from August 14 to 24, 2004 in Abu Dhabi during the 14th Abu Dhabi International Chess Festival. Hydra won games 1, 2 and 7 while the five remaining games ended in a draw for a final 5½ - 2½ score for Hydra.

=Photos= Stefan Meyer-Kahlen and Chrilly Donninger

=Games=

Game 1
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.14"] [Round "1"] [White "Hydra"] [Black "Shredder"] [Result "1-0"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.f3 b5 8.g4 h6 9.Qd2 Nbd7 10.O-O-O Bb7 11.h4 d5 12.exd5 Nxd5 13.Nxd5 Bxd5 14.Bg2 Ne5 15.Qe2 Qa5 16.f4 Qxa2 17.Bxd5 Qa1+ 18.Kd2 Bb4+ 19.c3 Qxb2+ 20.Ke1 Bxc3+ 21.Kf1 exd5 22.fxe5 Qb4 23.Bf2 O-O 24.g5 Bxd4 25.Bxd4 h5 26.Kg2 Rac8 27.Rhf1 Qe7 28.Qxh5 Rc2+ 29.Kg3 Rc6 30.Rd3 a5 31.Rdf3 Re6 32.Rf6 Rxe5 33.Bxe5 Qxe5+ 34.R6f4 a4 35.Kg2 d4 36.Rxf7 Qd5+ 37.R7f3 Rc8 38.Re1 1-0

Game 2
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.15"] [Round "2"] [White "Shredder"] [Black "Hydra"] [Result "0-1"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Nb3 Be7 9.Qf3 Nbd7 10.O-O-O Qc7 11.Kb1 b5 12.Bd3 b4 13.Ne2 Bb7 14.Qh3 Nxe4 15.Bxe7 Kxe7 16.Qh4+ Ndf6 17.Rhe1 h6 18.f5 e5 19.Nf4 Ng5 20.Nh5 Nxh5 21.Qxh5 Bxg2 22.Nd2 a5 23.h4 Nh7 24.Qe2 Bc6 25.Rg1 Rhg8 26.Ne4 Bxe4 27.Bxe4 Rac8 28.Bd3 Qb6 29.Bb5 Nf6 30.Ba4 e4 31.Rde1 Qc5 32.Qa6 d5 33.Rd1 d4 34.Bb3 Rc6 35.Qe2 Kf8 36.Ba4 Rd6 37.Qf1 Rd8 38.Qa6 Qc7 39.Qb5 Rh8 40.Qf1 Rh7 41.Bb3 h5 42.Ba4 e3 43.Qb5 Rh6 44.Rg2 Rd5 45.Qf1 Ng4 46.Bb3 Rd8 47.Ba4 Rf6 48.Re1 g6 49.Rc1 Rxf5 50.Qe2 Qe7 51.Bb5 Qxh4 0-1

Game 3
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.17"] [Round "3"] [White "Hydra"] [Black "Shredder"] [Result "1/2-1/2"]

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.g4 b5 10.g5 b4 11.Ne2 Nh5 12.Qd2 h6 13.gxh6 g6 14.O-O-O a5 15.Kb1 Nhf6 16.h4 a4 17.Nbc1 d5 18.Bg5 dxe4 19.Ng3 Qb6 20.Nxe4 Nxe4 21.fxe4 f6 22.Be3 Bc5 23.Bxc5 Nxc5 24.Bg2 a3 25.b3 Bg4 26.Rdf1 Rd8 27.Nd3 Qd6 28.Qxb4 Nxd3 29.Qxd6 Rxd6 30.cxd3 Be2 31.Rc1 Bxd3+ 32.Ka1 Rxh6 33.Rc8+ Ke7 34.Ra8 g5 35.Rxa3 Rxh4 36.Ra7+ Ke8 37.Rc1 Bxe4 38.Bxe4 Rxe4 39.Rc8+ Rd8 40.Rcc7 Rd2 41.Rc8+ Rd8 42.Rcc7 Rd2 43.Rc8+ 1/2-1/2

Game 4
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.18"] [Round "4"] [White "Shredder"] [Black "Hydra"] [Result "1/2-1/2"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 13.Nxe5 Nxe5 14.dxe5 Qxe5 15.f3 Bd7 16.a4 Rac8 17.e4 c4 18.Be2 Nd5 19.exd5 Qxe2 20.Qxe2 Rxe2 21.Bf4 Rc5 22.Rfb1 Rxd5 23.Rxb7 g5 24.Kf1 Rc2 25.Be3 Rxc3 26.Bxa7 Rb3 27.Rc7 c3 28.Rc1 Rb4 29.R1xc3 Bxa4 30.Rc1 h6 31.Bf2 Rb2 32.Be1 Bb5+ 33.Kg1 Bd7 34.h3 Ra2 35.R7c2 Rxc2 36.Rxc2 Kh7 37.Rd2 Rxd2 38.Bxd2 Kg6 1/2-1/2

Game 5
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.20"] [Round "5"] [White "Hydra"] [Black "Shredder"] [Result "1/2-1/2"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Be7 8.f4 O-O 9.a4 Nc6 10.Be3 Qc7 11.Kh1 Re8 12.Bf3 Rb8 13.g4 Nd7 14.Bg2 Nb6 15.b3 Nxd4 16.Qxd4 Nd7 17.g5 b6 18.Bc1 Bb7 19.Bb2 Qc5 20.Nd5 Bf8 21.Ne3 Qxd4 22.Bxd4 e5 23.fxe5 dxe5 24.Bb2 Nc5 25.Nd5 Rbd8 26.Rad1 b5 27.axb5 axb5 28.h4 Rc8 29.Rf2 b4 30.Rfd2 Rb8 31.Kh2 Rbc8 32.Kg3 Rb8 33.Ra1 Rbd8 34.Ra5 Bc6 35.Rd1 Bd6 36.Kf3 Bf8 37.Bh3 Kh8 38.Bc1 Kg8 39.Be3 Ne6 40.Rd2 Ra8 41.Rxa8 Rxa8 42.Nb6 Re8 43.Bxe6 Rxe6 44.Rd8 Re8 45.Rxe8 Bxe8 46.Nd5 f6 47.Bd2 Bh5+ 48.Ke3 Bc5+ 49.Kd3 Kf7 50.Bxb4 Bf2 51.Ba5 Bxh4 52.gxf6 Bxf6 53.b4 Bg4 54.c4 h5 55.b5 Bd7 56.Ke2 g5 57.Nxf6 Kxf6 58.Bd8+ Kg6 59.Kf2 h4 60.Be7 h3 61.Kg3 g4 62.Bc5 Kf6 63.Bb4 Be8 64.Ba3 Bg6 65.c5 Bxe4 66.c6 Ke6 67.c7 Bb7 68.Bc5 Kd5 69.Bg1 Bc8 70.b6 Ke4 71.b7 Bxb7 72.Kxg4 Bc8+ 73.Kg3 Kd3 74.Kf2 e4 75.Bh2 e3+ 76. Ke1 Ba6 77.Be5 Ke4 78.Bh2 Kf3 79.Be5 Bc8 80.Kf1 Bd7 81.Bd6 Bf5 82.Be5 Ke4 83.Bg3 Kf3 84.Be5 Bc8 85.Bd6 Be6 86.Ke1 Bg4 87.Kf1 Be6 88.Ke1 Bc8 89.Kf1 Bg4 90.Be5 e2+ 91.Ke1 Ke3 92.Bd6 Be6 93.Bc5+ Kf3 94.Bd6 Bc8 95.Bh2 Bf5 96.Bd6 1/2-1/2

Game 6
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.21"] [Round "6"] [White "Shredder"] [Black "Hydra"] [Result "1/2-1/2"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.Qe2 d6 8.Be3 Nc6 9.Nc3 b5 10.Bxa7 Rxa7 11.Qg4 Nf6 12.Qxg7 Rg8 13.Qh6 Rxg2 14.Qh3 Rg8 15.O-O-O b4 16.Ne2 e5 17.Qf3 Be6 18.h3 Ke7 19.Qe3 Nd7 20.Kb1 Qb6 21.Qh6 Nf6 22.Rhf1 a5 23.Nd2 Nd4 24.Nc1 a4 25.f4 Qc5 26.fxe5 Qxe5 27.Nc4 Qg5 28.Qxg5 Rxg5 29.Nxd6 Bxh3 30.Rf4 Kxd6 31.Rxf6+ Be6 32.Rh6 Ke5 33.Rxh7 Bg4 34.Rd2 Bf3 35.c3 bxc3 36.bxc3 Ne6 37.Rh3 Rg2 38.Rxg2 Bxg2 39.Rh5+ Kf4 40.Kc2 Ke3 41.e5 Nf4 42.Rg5 Nxd3 43.Nxd3 Be4 44.Rg3+ Ke2 45.Rh3 Bf5 46.Rg3 Rd7 47.Rg2+ Ke3 48.Rg3+ Ke4 49.Kd2 Kd5 50.Ke2 Rd8 51.Rg7 Rf8 52.Rg5 Ke4 53.Rg3 Rh8 54.Rg2 a3 55.Rf2 Rh4 56.Kd2 Be6 57.Nc5+ Kxe5 58.Nxe6 Kxe6 59.Kd3 f5 60.c4 Ke5 61.Re2+ Kd6 62.Kc3 f4 63.Re4 Rh3+ 64.Kb4 f3 65.Re8 Rh1 66.Rf8 Rb1+ 67.Kxa3 Rf1 68.Kb2 f2 69.a4 Kc5 1/2-1/2

Game 7
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.23"] [Round "7"] [White "Hydra"] [Black "Shredder"] [Result "1-0"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 b6 10.Be3 Bb7 11.f3 b5 12.Qd2 Nbd7 13.a3 Qc7 14.Rfd1 Rad8 15.Qe1 Nc5 16.Nxc5 dxc5 17.b3 Bc6 18.a4 b4 19.Na2 a5 20.c3 Nh5 21.Rac1 Bxa4 22.bxa4 b3 23.Bc4 bxa2 24.Qe2 h6 25.Qxa2 Bg5 26.Bxg5 hxg5 27.h3 Qe7 28.Kg1 Nf4 29.Kh2 Nh5 30.Rb1 Nf6 31.Qb3 Nh5 32.Qb6 Rxd1 33.Rxd1 g4 34.fxg4 Qf6 35.Qxf6 Nxf6 36.g5 Nxe4 37.g6 Nxc3 38.Rc1 Nxa4 39.Rf1 Nc3 40.Bxf7+ Rxf7 41.Rxf7 a4 42.Rc7 Kf8 43.Rxc5 Nd1 44.Rxe5 a3 45.Rf5+ Ke8 46.Ra5 Nb2 47.Rxa3 1-0

Game 8
[Event "Shredder versus Hydra 2004"] [Site "Abu Dhabi"] [Date "2004.08.24"] [Round "8"] [White "Shredder"] [Black "Hydra"] [Result "1/2-1/2"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O Nf6 8.Be3 Bb4 9.Na4 O-O 10.c4 Bd6 11.g3 Nxe4 12.Bf3 f5 13.c5 Be5 14.Nxc6 dxc6 15.Nb6 Rb8 16.Qc2 Nf6 17.Nc4 f4 18.Bd2 Bd4 19.Bxf4 e5 20.Be3 Be6 21.Bxd4 exd4 22.Qe2 Bf5 23.Rfe1 d3 24.Qd2 Qd8 25.Qc3 Nd7 26.b4 Qf6 27.Qxf6 Nxf6 28.a3 Rfd8 29.Nd6 Bg6 30.Re7 b6 31.Bxc6 bxc5 32.bxc5 Rb3 33.Ree1 d2 34.Re3 Bc2 35.Bf3 Rxe3 36.fxe3 g5 37.Bd1 Bd3 38.h3 Ne4 39.Nxe4 Bxe4 40.Kf2 Kg7 41.Ke2 h5 42.g4 h4 43.Ra2 Bd3+ 44.Kf2 Rf8+ 45.Kg2 Be4+ 46.Kg1 Rd8 47.Rb2 Kf6 48.Rb6+ Ke5 49.c6 Rc8 50.Rxa6 Bd3 51.Rb6 Ke4 52.Rb7 Rxc6 53.Re7+ Kd5 54.Bb3+ Kd6 55.Re6+ Kc5 56.Rxc6+ Kxc6 57.Kf2 Kc5 58.Kf3 Bf1 59.Kf2 Bb5 60.a4 Bd3 61.Bd1 Kc4 62.e4 Kd4 63.e5 Kxe5 64.Ke3 Bf1 65.Kxd2 Bxh3 66.Bf3 Bf1 67.Ke3 Bc4 68.a5 Ba6 69.Bg2 Bb5 70.Bb7 Kd6 71.Bg2 Kc5 72.Bh3 1/2-1/2

=Publications=
 * Eric Hallsworth (2004). Hydra v Shredder. Selective Search 114, pp. 30, pdf hosted by Mike Watters
 * Eric Hallsworth (2005). Hydra v Shredder. Selective Search 115, pp. 11, pdf hosted by Mike Watters
 * Monty Newborn (2011). Beyond Deep Blue: Chess in the Stratosphere. Springer, ISBN-13: 978-0857293404, amazon
 * bejDeepBlue.jpg
 * Chapter 8 2004: Hydra Slews Shredder in Abu Dhabi

=Forum Posts=
 * Hydra will play against Shredder an 8-games match soon! by Joachim Rang, CCC, July 29, 2004
 * Hydra vs Shredder match (1) 1-0 (PGN) by Kurt Utzinger, CCC, August 14, 2004
 * Shredder vs Hydra (Game 2) 0-1 (now 0-2) by Kurt Utzinger, CCC, August 15, 2004
 * Hydra vs Shredder - Games 3 - 1/2-1/2 by Mimic, CCC, August 17, 2004
 * Hydra v Shredder Game 4 drawn PGN by George Sobala, CCC, August 18, 2004
 * Shredder vs Hydra (6) 1/2 (now 2-4) PGN by Kurt Utzinger, CCC, August 21, 2004
 * Hydra v Shredder latest update by Jonas Bylund, CCC, August 23, 2004
 * Match Hydra vs Shredder (7) 1-0 (now 5-2) by Kurt Utzinger, CCC, August 23, 2004
 * Re: worlds strongest chess by Sandro Necchi, CCC, February 25, 2006

=External Links=
 * Hydra vs Shredder Match by Kurt Utzinger
 * Computer titans clash in Abu Dhabi, ChessBase News, August 14, 2004
 * Hydra shocks Shredder with 2-0 lead, ChessBase News, August 16, 2004
 * Computer chess at 43 degrees Celsius, ChessBase News, August 18, 2004
 * All about the Hydra chess project, ChessBase News, August 22, 2004
 * Hydra unbeatable in Abu Dhabi, ChessBase News, August 29, 2004
 * Checkmate - Documentry on Computer Chess Part 1, Hydra versus Shredder @8:07, YouTube Video

=References= Up one Level