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Subject: Re: A test position for chess programs

Author: Ed Schröder

Date: 09:35:39 12/10/00

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On December 10, 2000 at 11:17:58, Uri Blass wrote:

>[D]b7/1q2p2k/3p1p1p/1Pr1nP2/6PP/1rN5/2RKBQ2/2R5 b - - 0 1
>
>This position is from Fritz-Gambittiger.
>
>The target is to find Rd5+ that is winning.
>
>How much time does your program need to find Rd5+?
>Is it the simplest way to win the game?
>
>Uri

Rebel Century 2 running under Rebel-Tiger II

Ed

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Loading...

Engine version   : Rebel Century 2.01
Hash table size  :  40 Mb

b7/1q2p2k/3p1p1p/1Pr1nP2/6PP/1rN5/2RKBQ2/2R5 b - -

00:00  01.02  -0.01  1..Qg2
00:01  05.00  -0.02  1..Qg2 2.Qxg2 Bxg2 3.Na4 Rxc2+ 4.Rxc2 Be4
00:02  06.00  0.16  1..Ra3 2.g5 fxg5 3.hxg5 hxg5 4.Rg1 Nf3+ 5.Bxf3
00:05  07.00  -0.22  1..Ra3 2.g5 Qa7 3.Qf4 Rc8 4.gxh6 Kh8
00:05  07.01  -0.01  1..Qa7 2.g5 fxg5 3.hxg5 hxg5 4.Qg1 g4 5.Bxg4
00:07  07.04  0.03  1..Qc8 2.Qf4 Nc4+ 3.Bxc4 Rxc4 4.Qe3 Be4 5.Ra2
00:08  07.09  0.03  1..Rb4
00:09  07.09  0.17  1..Rb4 2.Qg3 Nc4+ 3.Bxc4 Rcxc4 4.g5 Rd4+ 5.Ke2 Rxb5 6.gxh6
00:10  07.15  0.26  1..Nf3+ 2.Bxf3 Qxf3 3.Qxf3 Bxf3 4.Re1 Re5 5.Rg1 Rb4 6.Kc1
00:13  08.00  0.26  1..Nf3+ 2.Bxf3 Qxf3 3.Qxf3 Bxf3 4.Re1 Re5 5.Rxe5 dxe5 6.Ra2
Bxg4 7.Ra7+
00:27  08.19  0.26  1..Rd5+
00:34  09.00  0.63  1..Nf3+ 2.Bxf3 Qxf3 3.Qxf3 Bxf3 4.Re1 Re5 5.Rxe5 dxe5 6.g5
hxg5 7.hxg5 fxg5 8.Ne2
01:05  10.00  0.65  1..Nf3+ 2.Qxf3 Qxf3 3.Bxf3 Bxf3 4.Re1 Re5 5.Rxe5 dxe5 6.Kd3
Bxg4 7.Kc4 Ra3 8.Rf2
02:42  10.19  0.65  1..Rd5+
02:53  10.19  0.87  1..Rd5+ 2.Nxd5 Qxd5+ 3.Ke1 Rh3 4.Rc3 Rh1+ 5.Bf1 Nd3+ 6.Rxd3
Qxd3 7.Qe2 Qg3+ 8.Qf2 Qxg4 9.Rc7
04:05  11.00  0.87  1..Rd5+ 2.Ke1 Rd3 3.Qf1 Nf3+ 4.Bxf3 Qxf3 5.Qxf3 Bxf3 6.g5
fxg5



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