Author: K. Burcham
Date: 06:52:42 06/05/05
Go up one level in this thread
On June 05, 2005 at 06:13:48, Vincent Lejeune wrote: >On June 04, 2005 at 15:26:59, Vincent Lejeune wrote: > >> >>[d]r3rb1k/5ppB/5P2/q1p5/Ppn5/5bNP/3B1PP1/RQ2R1K1 w - - 0 26 >>Zor_Champ (hydra with 16 CPU+16 FPGA), played Qb3! here. How much time for your >>engine to find this astonishing move ? > > >After 10h on 2 best lines mode S9 favor a bit Qb3, but the gap is very narrow. >May be Qb3 is not as good as I pretended in my first post. Sorry for my mistake >due to high complexity of this position. > >Analysis by Shredder 9: > >1. +- (1.65): 1.Db3 Da6 2.Txe8 Txe8 3.Dxf3 Rxh7 4.Dd3+ Rg8 5.Tc1 Dd6 6.Dxd6 Cxd6 >7.Txc5 b3 8.Tc1 gxf6 9.a5 Cc4 >2. +- (1.53): 1.Txe8 Txe8 2.Ff4 Da6 3.gxf3 Dxf6 4.Ch5 Dc3 5.Fe4 g6 6.Cg3 Fg7 >7.Ta2 b3 8.Te2 Td8 9.De1 f5 10.Fb1 Dxf3 11.Fg5 Td6 12.Fh6 Ca3 With all the hype about hydra's depth in normal game time, we are all very interested in its capabilities. If we find a move that hydra sees in a normal game time, that most of the top programs cannot see until several hour search, then we would all get excited about the new hardware search. Thanks for posting this position Vincent, if you suspect another is interesting--please post. Maybe Hydra with enough time will switch to Rxe8. Notice Shredder holds on to Qb3 for six hours: 1.Qb3 Qa6 2.Rxe8 Rxe8 3.Qxf3 Kxh7 4.Qd3+ Kg8 5.Rc1 b3 6.Bc3 g6 7.Bb2 Na3 8.Qxa6 Nc2 9.Ra1 Nb4 10.Qa5 Kh7 +- (1.56) Depth: 22/61 06:38:39 12397399kN New game, 120'/40+120'/40+120'/40 r3rb1k/5ppB/5P2/q1p5/Ppn5/5bNP/3B1PP1/RQ2R1K1 w - - 0 1 Shredder 8: 1.gxf3 Nxd2 2.fxg7+ Bxg7 3.Rxe8+ Rxe8 4.Ra2 Nxb1 ± (0.77) Depth: 1/9 00:00:00 1.gxf3 Nxd2 2.Rxe8 Nxb1 3.Rxa8 = (0.17) Depth: 1/9 00:00:00 1.gxf3 Rxe1+ 2.Qxe1 Nxd2 3.Qxd2 Kxh7 = (0.21) Depth: 1/11 00:00:00 1.Rxe8 Rxe8 2.Qd1 ± (1.01) Depth: 1/11 00:00:00 1.Rxe8 Rxe8 2.Qd1 ± (1.01) Depth: 1/11 00:00:00 1.Rxe8 Rxe8 2.Qd1 ± (1.01) Depth: 2/2 00:00:00 1.Qb3 Kxh7 2.Qxc4 Rxe1+ 3.Rxe1 Rd8 4.gxf3 Qxa4 +- (1.52) Depth: 2/12 00:00:00 1.Qb3 Kxh7 2.gxf3 Nxd2 3.Qd3+ Kg8 4.fxg7 Bxg7 5.Rxe8+ Rxe8 6.Qh7+ Kxh7 +- (1.52) Depth: 2/12 00:00:00 1.Qb3 Kxh7 2.Re3 ± (1.00) Depth: 3/8 00:00:00 1.Qb3 Kxh7 2.Qxc4 Rxe1+ 3.Rxe1 Rd8 4.gxf3 Qxa4 ± (1.37) Depth: 3/8 00:00:00 1.Qb3 Kxh7 2.Qxc4 Red8 3.fxg7 Bxg7 4.gxf3 Rxd2 5.Qxb4 ± (1.37) Depth: 4/10 00:00:00 1.Qb3 Bd5 2.Be4 Nxd2 3.Qxd5 Nxe4 4.fxg7+ Bxg7 5.Rxe4 +- (1.43) Depth: 5/17 00:00:00 1.Qb3 Bd5 2.Be4 Qd8 3.Bg5 gxf6 4.Bxf6+ Qxf6 5.Bxd5 Rxe1+ 6.Rxe1 +- (1.52) Depth: 6/18 00:00:00 1.Qb3 Qa6 2.Qxf3 Kxh7 3.Qd3+ Kg8 4.fxg7 Bxg7 5.Rxe8+ Rxe8 6.Rc1 Qxa4 7.Qxc4 Qd1+ 8.Rxd1 +- (1.53) Depth: 7/24 00:00:00 77kN 1.Qb3 Qa6 2.Qxf3 Kxh7 3.Qd3+ Kg8 4.Rxe8 Rxe8 5.Rc1 Qd6 6.Qxc4 Qxd2 7.fxg7 Kxg7 +- (1.59) Depth: 8/21 00:00:00 149kN 1.Qb3 Qa6 2.Qxf3 Kxh7 3.Qd3+ Kg8 4.Rxe8 Rxe8 5.Rc1 Qd6 6.Qxc4 Qxd2 7.fxg7 Kxg7 +- (1.59) Depth: 9/26 00:00:00 236kN 1.Qb3 Qa6 2.Rxe8 Rxe8 3.Qxf3 Kxh7 4.Qd3+ Kg8 5.Rc1 Qd6 6.Qxd6 Nxd6 7.Rxc5 Rb8 8.fxg7 Bxg7 +- (1.61) Depth: 10/28 00:00:01 462kN 1.Qb3 Qa6 2.Rxe8 Rxe8 3.Qxf3 Kxh7 4.Qd3+ Kg8 5.Rc1 Qd6 6.Qxd6 Nxd6 7.fxg7 Bxg7 8.Rxc5 Rb8 9.Rc7 +- (1.76) Depth: 11/35 00:00:02 1040kN 1.Qb3 Qa6 2.Rxe8 Rxe8 3.Qxf3 Kxh7 4.Qd3+ Kg8 5.Rc1 Qd6 6.Qxd6 Nxd6 7.fxg7 Bxg7 8.Rxc5 Rb8 9.Rc6 Be5 10.Rc7 Bxg3 11.fxg3 +- (1.64) Depth: 12/38 00:00:04 2074kN 1.Qb3 Bd5 2.Be4 Bxe4 3.Nxe4 Nxd2 4.Qxf7 Nf3+ 5.gxf3 c4 6.Qxc4 Qf5 7.Kg2 Rxe4 8.fxe4 Qxf2+ 9.Kxf2 Bc5+ 10.Qxc5 gxf6 +- (1.76) Depth: 13/39 00:00:13 7128kN 1.Qb3 Bd5 2.Be4 Bxe4 3.Nxe4 Nxd2 4.Qxf7 Nf3+ 5.gxf3 c4 6.Qxc4 Qf5 7.Kg2 Ra7 8.fxg7+ Rxg7+ 9.Ng3 Rxe1 10.Qg8+ +- (1.76) Depth: 14/46 00:00:21 11675kN 1.Qb3 Ne5 2.Bc2 +- (1.76) Depth: 15/44 00:00:44 23276kN 1.Qb3 Ne5 2.Bc2 +- (1.76) Depth: 16/47 00:01:16 40515kN 1.Qb3 Ne5 2.Bc2 +- (1.76) Depth: 17/49 00:02:32 80230kN 1.Rxe8 Rxe8 2.Bf4 Bb7 3.Qf5 Nb6 4.Qh5 c4 5.Qxa5 Bc6 +- (1.77) Depth: 17/51 00:04:08 130185kN 1.Rxe8 Rxe8 2.Bf4 Bb7 3.Qf5 Nb6 4.Qh5 c4 5.Qxa5 Bc6 6.Qxb6 gxf6 7.Qxc6 Kxh7 +- (2.12) Depth: 17/51 00:04:41 147195kN 1.Rxe8 Rxe8 2.Bf4 Ne5 3.Bxe5 Rxe5 4.gxf3 c4 5.f4 Rd5 6.Be4 Rd2 7.Nf1 Rd4 8.Nh2 Rd2 9.Nf3 Re2 10.Kf1 +- (2.79) Depth: 17/51 00:14:03 432841kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Bd3 Ne5 6.Bb5 Nxf3+ 7.Kf1 Re1+ 8.Qxe1 Nxe1 9.Kg1 Qxa1 10.Nxg7 Kxg7 +- (2.54) Depth: 18/48 00:18:37 561217kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Bd5 Rxe2 10.Nxe2 Na3 11.Qxb3 Qxf4 12.Nxf4 +- (2.54) Depth: 18/48 00:19:12 578149kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Bd5 Rd8 10.Bxf7 Na3 11.Qxg6 Rd1+ 12.Kg2 Qxf4 +- (2.71) Depth: 19/52 00:28:13 833566kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Bd5 Rxe2 10.Nxe2 Qxa4 11.Bxf7 b2 12.Bxg6 +- (2.46) Depth: 20/54 00:38:40 1152159kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Bd5 Rxe2 10.Nxe2 Qxa4 11.Bxf7 b2 12.Bxg6 +- (2.46) Depth: 20/54 00:43:55 1311323kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Bd5 Rxe2 10.Nxe2 Qxa4 11.Bxf7 b2 12.Bxg6 Na3 13.Bh5 +- (2.21) Depth: 21/59 01:20:44 2481675kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.a5 b2 10.Bd3 Rxe2 11.Nxe2 Nxa5 12.Qd1 Nc4 13.Ng3 Na3 +- (1.71) Depth: 21/59 01:44:09 3239048kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Qd1 b2 10.Bxg6 Rb8 11.Bxb8 b1R 12.Bxb1 Qxb1 13.Qxb1 +- (1.71) Depth: 21/59 01:56:00 3606458kN 1.Qb3 Ne5 2.Bc2 Rad8 3.fxg7+ Bxg7 4.Bg5 Rc8 5.Rxe5 Rxe5 6.Qd3 Be4 7.Nxe4 Rxe4 8.Qxe4 Kg8 +- (1.72) Depth: 21/59 02:29:41 4644948kN 1.Qb3 Ne5 2.Bc2 c4 3.Qe3 Bc6 4.fxg7+ Bxg7 5.Qf4 Kg8 6.Qh4 Ng6 7.Qxc4 Bxa1 8.Rxa1 Qd5 9.Qxd5 Bxd5 10.Bxb4 Nf4 11.Kf1 +- (1.79) Depth: 21/60 03:02:10 5609296kN 1.Qb3 Qa6 2.Rxe8 Rxe8 3.Qxf3 Kxh7 4.Qd3+ Kg8 5.Rc1 b3 6.Bc3 g6 7.Bb2 Na3 8.Qxa6 Nc2 9.Ra1 Nb4 10.Qa5 Kh7 +- (1.56) Depth: 22/61 06:38:39 12397399kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Qc1 gxh5 7.Qxc3+ bxc3 8.Bd5 Bd6 9.Bg3 Ne5 10.Rc1 Rb8 +- (1.57) Depth: 22/61 06:54:08 12872415kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Bd3 Na3 6.Qf1 c4 7.Be4 b3 8.Qe1 Qxe1+ 9.Rxe1 f5 10.Bd5 Rxe1+ 11.Kg2 Kh7 12.Nf6+ +- (1.57) Depth: 22/61 07:38:07 14299383kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Qd1 Qxa4 10.Kg2 Ne5 11.Bxe5 Rxe5 12.Bd5 c4 13.Bxf7 +- (1.82) Depth: 23/56 10:17:58 19309577kN 1.Rxe8 Rxe8 2.Bf4 Qd8 3.gxf3 Qxf6 4.Nh5 Qc3 5.Be4 g6 6.Ng3 Bg7 7.Ra2 b3 8.Re2 Qb4 9.Qd1 Qxa4 10.Kg2 Rf8 11.Bd5 Qb4 12.Qb1 b2 +- (1.82) Depth: 23/61 11:22:23 21373668kN
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