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Subject: Re: Test position Hydra-Nickel

Author: Dann Corbit

Date: 15:54:25 05/02/05

Go up one level in this thread


On May 02, 2005 at 18:38:34, Uri Blass wrote:

>It seems that Hydra is losing 2-0
>It is probably relatively weak at long time control(Note that Nickel lost
>against commercial chess engines so they seem to be better than hydra at long
>time control)

I think it is very premature to judge based upon 2 games.

>Yace seems to have big problems to solve it(programs may solve it by luck but
>It may be interesting if some program can see losing score for white after
>the game move 42.Kf1 or even after the next move of the game 42...Ke4)
>
>1: Hydra Chimera (C) - Nickel,A, Corr. Chess Match 2004
>3b4/8/1p6/p2Npk1p/P1P2ppP/1P4P1/4KP2/8 w - - 0 1 bm Kd3
>
>Analysis by Yace 0.99.87:
>
>42.gxf4 exf4
>  =  (-0.20)   Depth: 1   00:00:00
>42.Nc3
>  =  (-0.18)   Depth: 1   00:00:00
>42.Kd2
>  =  (0.00)   Depth: 1   00:00:00
>42.Kd3
>  =  (0.05)   Depth: 1   00:00:00
>42.Kd3
>  =  (0.05)   Depth: 1   00:00:00
>42.Kd3 e4+ 43.Kd4
>  =  (-0.15)   Depth: 2   00:00:00
>42.Kd3 e4+ 43.Kd4
>  =  (-0.15)   Depth: 2   00:00:00
>42.Kd3 e4+ 43.Kd4
>  =  (-0.15)   Depth: 3   00:00:00
>42.Kd2 f3 43.Kd3
>  =  (-0.10)   Depth: 3   00:00:00
>42.Kd2 f3 43.Kd3
>  =  (-0.10)   Depth: 3   00:00:00
>42.Kd2 f3 43.Kd3
>  =  (-0.10)   Depth: 3   00:00:00
>42.Kd2 f3 43.Kd3 e4+ 44.Kd4
>  =  (-0.21)   Depth: 4   00:00:00
>42.Kd2 f3 43.Kd3 e4+ 44.Kd4
>  =  (-0.21)   Depth: 4   00:00:00
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2
>  =  (-0.22)   Depth: 5   00:00:00
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2
>  =  (-0.22)   Depth: 5   00:00:00
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2 Kd4
>  =  (-0.22)   Depth: 6/14   00:00:00  12kN
>42.Kd3 e4+ 43.Kd4 f3
>  =  (-0.21)   Depth: 6/14   00:00:00  16kN
>42.Kd3 f3 43.Ne3+ Kf6 44.Nd5+ Ke6
>  =  (-0.10)   Depth: 6/14   00:00:00  19kN
>42.Kd3 f3 43.Ne3+ Kf6 44.Nd5+ Ke6
>  =  (-0.10)   Depth: 6/14   00:00:00  26kN
>42.Kd3 e4+ 43.Kd4 e3 44.fxe3 fxg3 45.e4+ Kg6 46.Nf4+ Kh6
>  =  (-0.04)   Depth: 7/14   00:00:01  35kN
>42.Kd3 e4+ 43.Kd4 e3 44.fxe3 fxg3 45.e4+ Kg6 46.Nf4+ Kh6
>  =  (-0.04)   Depth: 7/17   00:00:01  52kN
>42.Kd3 e4+ 43.Kd4 e3 44.fxe3 fxg3 45.e4+ Kg6 46.Nf4+ Kh6
>  =  (-0.04)   Depth: 8/17   00:00:01  97kN
>42.Kd3 e4+ 43.Kd4 e3 44.fxe3 fxg3 45.e4+ Kg6 46.Nf4+ Kh6
>  =  (-0.04)   Depth: 8/23   00:00:01  150kN
>42.Kd3 e4+ 43.Kd4 e3 44.fxe3 fxg3 45.e4+ Kg6 46.Nf4+ Kh6 47.Ng2
>  =  (-0.23)   Depth: 9/23   00:00:01  841kN
>42.Kd3 e4+ 43.Kd4 e3 44.fxe3 fxg3 45.e4+ Kg6 46.Nf4+ Kh6 47.Ng2
>  =  (-0.23)   Depth: 9/26   00:00:01  1129kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 10/33   00:00:02  3118kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 10/33   00:00:02  3378kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 11/33   00:00:04  5609kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 11/33   00:00:04  6181kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 12/36   00:00:08  12489kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 12/36   00:00:10  14259kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 13/37   00:00:17  26469kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Bd8 46.Ke2
>  =  (0.00)   Depth: 13/37   00:00:21  31104kN
>42.Kd3 Ke6 43.Ke2 f3+ 44.Kd3 Be7 45.Nxe7 Kxe7 46.Ke3 Kd6 47.Ke4 Ke6 48.Kd3 Kf7
>49.Ke4 Kf6 50.Ke3 Ke7 51.Ke4 Kd6 52.Kf5 e4 53.Kxe4 Kc5 54.Ke5 b5 55.axb5 a4
>56.bxa4 Kxc4 57.b6 Kb4
>  =  (-0.07)   Depth: 14/40   00:00:44  66699kN
>42.Kd3 Ke6 43.Ke2 f3+ 44.Kd3 Be7 45.Nxe7 Kxe7 46.Ke3 Kd6 47.Ke4 Ke6 48.Kd3 Kf7
>49.Ke4 Kf6 50.Ke3 Ke7 51.Ke4 Kd6 52.Kf5 e4 53.Kxe4 Kc5 54.Ke5 b5 55.axb5 a4
>56.bxa4 Kxc4 57.b6 Kb4
>  =  (-0.07)   Depth: 14/40   00:00:52  78526kN
>42.Kd3 e4+ 43.Ke2 fxg3 44.fxg3 Bf6 45.Kf1 Be5 46.Kg2 Kg6 47.Ne7+ Kg7 48.Kf2 Kf6
>49.Nd5+ Kf7 50.Kg2 Bc7
>  ³  (-0.28)   Depth: 15/42   00:01:22  123352kN
>42.Kd2 e4 43.Nxf4 e3+ 44.fxe3 Bc7
>  ³  (-0.27)   Depth: 15/42   00:01:40  148641kN
>42.Kd2 fxg3 43.fxg3 Ke4 44.Ke2 b5 45.axb5 Bxh4
>  =  (-0.09)   Depth: 15/42   00:02:23  212681kN
>42.Kd2 fxg3 43.fxg3 Ke4 44.Ke2 b5 45.axb5 Bxh4
>  =  (-0.09)   Depth: 15/42   00:02:39  235903kN
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2 Kd4 45.Ne3 Bc7 46.Nf5+ Kc5 47.Ng7 Kb4 48.Nxh5 Kxb3
>49.Nf6 Kxa4
>  =  (-0.01)   Depth: 16/44   00:03:59  350749kN
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2 Kd4 45.Ne3 Bc7 46.Nf5+ Kc5 47.Ng7 Kb4 48.Nxh5 Kxb3
>49.Nf6 Kxa4
>  =  (-0.01)   Depth: 16/44   00:04:38  405817kN
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2 Kd4 45.Ne3 Bf6 46.Nd5 Bd8
>  =  (0.00)   Depth: 17/46   00:06:58  589029kN
>42.Kd2 Ke4 43.Ke2 f3+ 44.Kd2 Kd4 45.Ne3 Bf6 46.Nd5 Bd8
>  =  (0.00)   Depth: 17/46   00:08:30  714806kN
>42.Kd2 f3 43.Ke3 Bf6 44.Kd2 e4
>  =  (-0.02)   Depth: 18/49   00:13:59  1183575kN
>42.Kd2 f3 43.Ke3 Bf6 44.Kd2 e4
>  =  (-0.02)   Depth: 18/49   00:17:54  1507838kN
>
>(,  03.05.2005)



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