Author: Dieter Buerssner
Date: 15:53:48 07/08/04
Go up one level in this thread
On July 08, 2004 at 17:19:36, Uri Blass wrote:
>1r6/4kpp1/b1pp3p/q1n1pP2/Pr2P3/1BN3Q1/P1P3PP/K2RR3 w - - 0 24
>
>How much time does your program need to avoid Qxg7 and does it avoid it because
>it can see a loss or because it see a draw.
Yace:
6949839 10.554 1.72 8. 24.Qxg7 Rxb3 25.f6+ Kd8 26.Rxd6+ Kc8 27.Rxc6+
Kb7 28.Rxc5 Qxc5 29.Qxf7+ Ka8 30.Qg7
9565382 14.213 1.32 9-- 24.Qxg7 Rxb3 25.f6+ Ke8 26.Qg8+ Kd7 27.Qxf7+
Kc8 28.axb3 Qxc3+ 29.Kb1 Nxa4 30.Qe6+ Kb7
31.Qe7+ Ka8 32.Rxd6 Qxe1+ 33.Rd1 Qxd1+ 34.Ka2
{-950}
11883374 17.731 0.32 9-- 24.Qxg7 Rxb3 25.f6+ Ke8 26.Qg8+ Kd7 27.Qxf7+
Kc8 28.axb3 Qxc3+ 29.Kb1 Nxa4 30.Qe6+ Kb7
31.Qe7+ Ka8 32.Rxd6 Qxe1+ 33.Rd1 {-450}
22669770 32.797 -0.61 9t 24.Qxg7 Rxb3 25.f6+ Kd7 26.Qxf7+ Kc8 27.Nd5
cxd5 28.Qg8+ Kc7 29.Qh7+ Nd7 30.axb3 Qc3+
31.Kb1 Bd3 32.Rxd3 Qxe1+ 33.Kb2 dxe4 34.Rc3+H
Kd8H 35.Qxh6H {-100}
24539655 35.635 -0.60 9t+ 24.Qe3 Nxb3+ 25.cxb3 Rxb3 26.axb3 Qxc3+ 27.Qxc3
Rxb3
53755547 1:22.2 -0.37 9t 24.Qe3 Rd8 25.Qd2 Ke8 26.Qe3 f6 27.g3 Kf8
28.Rb1 {80}
58554310 1:29.6 -0.36 9t+ 24.h4 Nxb3+ 25.axb3 Rxb3 26.cxb3 Qxc3+ 27.Qxc3
Rxb3
68983199 1:45.8 -0.31 9t 24.h4 Rd4 25.Rxd4 exd4 26.Nb1 Nd7 27.Rd1 Qe5
28.Qxe5+ dxe5 29.Nd2 {80}
73981259 1:54.0 -0.30 9t+ 24.Re3 Nxb3+ 25.axb3 Qb6
81059558 2:05.1 -0.16 9t 24.Re3 Rd4 25.Rb1 Kf8 26.f6 gxf6 27.Qh4 Rdb4
28.Qxf6 {80}
112130101 2:53.5 -0.16 9. 24.Re3 Rd4 25.Rb1 Kf8 26.f6 gxf6 27.Qh4 Rdb4
28.Qxf6 {80}
124035640 3:11.3 -0.22 10t 24.Re3 Rd4 25.Rb1 Kf8 26.f6 gxf6 27.Qh4 Ke7
28.Rf3 Kd7 {HT} {0}
204121245 5:18.5 -0.22 10. 24.Re3 Rd4 25.Rb1 Kf8 26.f6 gxf6 27.Qh4 Ke7
28.Rf3 Kd7 {HT} {0}
267106633 6:56.3 -0.24 11t 24.Re3 Rd4 25.Rc1 Kf8 26.f6 gxf6 27.Qh4 Ke7
28.Qxh6 Rd2 29.Rf3 {80}
541085393 14:08.3 -0.23 11t+ 24.Qh4+ Kf8 25.Re3 Qc7 26.f6 gxf6
609653232 16:01.7 -0.20 11t 24.Qh4+ Kf8 25.Re3 Rd4 26.Qh5 Rxd1+ 27.Qxd1 Qd8
28.f6 g6 29.Qg4 Ke8 30.Qh4 Rb4 {80}
716656057 18:46.2 -0.20 11. 24.Qh4+ Kf8 25.Re3 Rd4 26.Qh5 Rxd1+ 27.Qxd1 Qd8
28.f6 g6 29.Qg4 Ke8 30.Qh4 Rb4 {80}
With another hash size, it failed low to zero at depth 8.
Regards,
Dieter
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