Author: Christophe Theron
Date: 00:45:40 09/30/01
Go up one level in this thread
On September 30, 2001 at 02:01:16, K. Burcham wrote:
>
>
>i was trying different positions, to find the biggest come back.
>program evals are amazing and very interesting.
>here shredder5 scans the board and says white is down about 13 points,
>but soon finds that it is really a mate in 8 for white.
>
>of course you can easily see how this was done, with the material advantage.
>and i tried to tie up blacks pieces, so that the mate was still there for
>white. i am going to work on this some more, try to dig the hole a little
>deeper before the program can see the mate.
>please post the results of your program, with eval.
>
>
> [D]qbb1r1k1/nrp2p1p/n1p3p1/p1p5/P6N/1PP3RP/2BQ1PPK/8 w - -
>
>
>
>
>Engine: Shredder 5
>by Stefan Meyer-Kahlen
>
>
> 8.02 0:00 -12.76 1.Rd3 Be6 2.Rd8 Rxd8 3.Qxd8+ Kg7 4.Bd3 Nc8 5.Bc4 Bxc4
>6.bxc4 (207.426) 298.8
> 9.01 0:01 -12.76 1.Rd3 Be6 2.Rd8 Rxd8 3.Qxd8+ Kg7 4.Bd3 Nc8 5.Bc4 Bxc4
>6.bxc4 (360.297) 303.0
> 9.04 0:01 -12.75++ 1.Qd3 Rb6 2.Nf5 Be6 3.Qe3 Bxb3 4.Rxg6+ hxg6 5.Qxe8+ Kh7
> 9.04 0:01 -12.66 1.Qd3 Rb6 2.Nf5 Be6 3.Qe3 f6 4.Kg1 Kh8
>5.Qe1 (588.211) 308.1
> 10.01 0:04 -12.90 1.Qd3 Rb6 2.Nf5 Be6 3.Nh6+ Kf8 4.Re3 c4 5.bxc4 Kg7 6.Rg3
>Kxh6 7.Qxg6+ hxg6
> 10.02 0:05 -12.89++ 1.Qf4 Be6 2.Nf5 c4 3.Nh6+ Kf8 4.Re3 Ke7 5.Qxf7+ Kd8
>(1.575.623) 306.6
> 10.02 0:06 -12.71 1.Qf4 Be6 2.Nf5 c4 3.Nh6+ Kf8 4.Re3 Kg7 5.bxc4 Rb2 6.Bd3
>(1.901.066) 307.1
> 10.03 0:07 -12.70++ 1.Bd3 Rxb3 2.Bc4 Rb6 3.Nxg6 Rf8 4.Nxf8+ Bg4 (2.431.617)
>305.5
> 10.03 0:08 -12.63 1.Bd3 Rxb3 2.Bc4 Ra3 3.Qb2 Rxa4 4.Bxf7+ Kxf7 5.Qb3+ Kg7
>6.Qxa4 Re2
> 10.07 0:09 -12.62++ 1.Re3 Be6 2.Bd3 Bxb3 3.Bxa6 f6 (2.984.977) 306.0
> 10.07 0:10 -12.61 1.Re3 Rxe3 2.Qxe3 Be6 3.Bd3 Nc8 4.Qe2 Rxb3 5.Bxa6 Nb6
>6.Kg1 (3.154.188) 305.5
> 11.01 0:13 -12.63 1.Re3 Rxe3 2.Qxe3 c4 3.Qe8+ Kg7 4.Qe5+ Kf8 5.bxc4 Rb2
>6.Be4 Rxf2 7.Qxa5 Kg8
> 11.03 0:15 -12.62++ 1.Bd3 Rxb3 2.Bc4 Ra3 3.Qb2 Rxa4 4.Bxf7+ Kxf7 5.Qb3+ Kg7
>6.Qxa4 Re2
> 11.03 0:17 -12.27++ 1.Bd3 Rxb3 2.Bc4 Ra3 3.Qb2 Rxa4 4.Bxf7+ Kxf7 5.Qb3+ Kg7
>6.Qxa4 Nb4 7
> 11.03 1:10 -12.20 1.Bd3 Nb5 2.axb5 cxb5 3.Kg1 c6 4.Re3 Be6 5.Re1 Rd8 6.c4
>Rbd7 7.
> 11.04 1:13 -12.19++ 1.Qf4 Be6 2.Nxg6 hxg6 3.Bxg6 fxg6 4.Rxg6+ Kh8 5.Qh4+
>(23.128.287)
> 11.04 1:21 -11.84++ 1.Qf4 Be6 2.Nxg6 hxg6 3.Bxg6 Rxb3 4.Bxf7+ Kf8 5.Bxe6+
>Ke7 (25.243.918)
> 11.04 2:04 -11.19 1.Qf4 Kg7 2.Bd3 Nb5 3.Be4 Rxe4 4.Qxe4 Nd6 5.Qxc6 Be6 6.Rd3
>(38.543.603) 310.2
> 11.09 2:08 -11.18++ 1.Qh6 Be6 2.Bxg6 Bxb3 3.Qxh7+ Kf8 4.Rd3 Re6 5.Bxf7
>(39.694.892) 309.8
> 11.09 2:09 -10.83++ 1.Qh6 Be6 2.Bxg6 Bxb3 3.Qxh7+ Kf8 4.Rd3 Bxa4 5.Bxf7 Re6
>6.Bxe6 Nb4 7.
> 11.09 2:39 +M15 1.Qh6 Re4 2.Nxg6 fxg6 3.Bxe4 Bf5 4.Bxf5 Kf7 5.Bxg6+ Ke7
>6.Qxh7+ Ke6 7.Qf7+ Kd6 8.Qf8+ Ke5 (51.889.080) 324.7
> 12.01 2:53 +M11 1.Qh6 Re4 2.Nxg6 fxg6 3.Bxe4 Bg4 4.Bxg6 hxg6 5.Qxg6+ Kf8
>6.Qf6+ Ke8 7.Re3+ Be6 8.Qxe6+ (58.135.661) 335.5
> 13.01 4:01 +M9 1.Qh6 Re4 2.Nxg6 fxg6 3.Bxe4 Bg4 4.Bxg6 hxg6 5.Qxg6+ Kf8
>6.Qf6+ Ke8 7.Rxg4 Rxb3 (90.502.337) 374.5
> 14.01 16:52 +M8 1.Qh6 Re4 2.Nxg6 fxg6 3.Bxe4 Bg4 4.Bxg6 hxg6 5.Rxg4 Kf7
>6.Rxg6 Rb6 7.Qh7+ Ke8 8.Rg8+ (481.887.620) 475.9
>
>
>kburcham
Tiger 14.7 (prototype) on my K6-2 450MHz, 6Mb hash table, finds a mate in 9 in
28s, then a mate in 8 in 66s. I stopped it after 3 minutes (still a mate in 8).
On what computer was Shredder running? Are we supposed to guess?
Christophe
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