Author: Andrew Williams
Date: 02:55:44 06/10/02
Go up one level in this thread
On June 09, 2002 at 22:35:36, Mike Byrne wrote:
>[D] r1b2rk1/pp3pp1/1b5p/2qB3Q/3pNP2/3P4/PPP3PP/R4RK1 b - - 0 1
>
>not sure if I broke Crafty here or not – but Qxc2?? looks like a loser .16…Qc7
>is better
My program is not so sure that Qc7 is going to save things. The score was
dropping again in ply 13 when the search ended:
7= 5 0 49759 1...Qxc2 2.Qg6 Kh8 3.Bxf7 Qxd3 4.Rfe1 Bd7
8> -110 1 150704 1...Qxc2 2.f5 Qxd3 3.f6 Qe3 4.Kh1 gxf6
5.Nxf6 Kh8 6.Bxf7
8= -69 1 162548 1...Qxc2 2.f5 Qxd3 3.f6 Qe3 4.Kh1 gxf6
5.Nxf6 Kh8 6.Bxf7
9> -141 6 600032 1...Qc7 2.Rac1 Be6 3.Bxe6 fxe6 4.Qg6 Rxf4
5.Qxe6 Qf7
9= -135 12 1140140 1...Qc7 2.Qg6 Kh8 3.Qd6 Kg8 4.Qxc7 Bxc7
5.Nc5 Rb8
10> -135 22 1987358 1...Qe7 2.Rae1 Be6 3.Ng3 Rad8 4.Bxe6 fxe6
5.Qe5 Rf6
10= -131 35 3134323 1...Qe7 2.Qe5 Qd8 3.f5 Re8 4.Qd6 Qh4 5.f6 g6
11> -203 116 9702190 1...Qa5 2.b4 Qxb4 3.f5 Qb5 4.f6 Be6 5.fxg7 Kxg7
11= -200 150 12376745 1...Qa5 2.b4 Qxb4 3.f5 Qb5 4.f6 Be6
12> -241 472 37681631 1...Qc7 2.f5 Qe5 3.Qg6 Bc7 4.g3 Kh8 5.Bxf7
12= -238 520 41867251 1...Qc7 2.f5 Qe5 3.Qg6 Bc7 4.g3 Kh8 5.Bxf7
NODES per second 80900
This on a busy PIII-933, hence the crappy NPS.
Andrew
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