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Subject: Re: Tactical/Combinatorial Suite, Selected from WCSAC (cleaned up)

Author: Vincent Diepeveen

Date: 04:40:14 10/19/01

Go up one level in this thread


On October 18, 2001 at 12:20:30, Dieter Buerssner wrote:

>Thanks for the positions.
>
>I ran it with Yace, AMD K6-2 475, 30 M hash. In one minute, 31 positions were
>solved. The unsolved ones:
>
>r2r2k1/1b2bp1p/p4npQ/1p1Pp1N1/Pnq1P3/R5N1/5PPP/1BBR2K1 w - - bm Nh5; id
>"WCSAC.0450";

Amazing DIEP needs 4 ply for this. Is there a subsolution perhaps?

00:00 0 0 7 (0) 1 0.214 a4xb5 a6xb5
00:00 0 0 18 (0) 1 1.163 Bc1-e3
00:00 0 0 216 (0) 2 -1.231 Bc1-e3 Nb4xd5
++ a4-b5
00:00 0 0 365 (0) 2 0.214 a4xb5 a6xb5
++ c1-b2
00:00 0 0 599 (0) 2 0.272 Bc1-b2 Nb4xd5 e4xd5 Be7xa3 Bb2xa3 Qc4xa4
++ f2-f4
00:00 0 0 1124 (0) 2 0.417 f2-f4 Nb4xd5 e4xd5 Be7xa3 Bc1xa3 Qc4xa4
00:00 0 0 2195 (0) 3 0.417 f2-f4 Nb4xd5 e4xd5 Be7xa3 Bc1xa3 Qc4xa4
++ a3-f3
00:00 0 0 4842 (536) 3 0.665 Ra3-f3 Be7-f8 Qh6-h3
00:00 0 0 10772 (1600) 4 0.208 Ra3-f3 Qc4-c7 a4xb5 a6xb5
++ a4-b5
00:00 0 0 18388 (3656) 4 0.213 a4xb5 Be7-f8 Qh6-h3 a6xb5
++ g3-h5
00:00 0 0 35778 (4368) 4 3.787 Ng3-h5 g6xh5 Ra3-g3 Be7-f8 Ng5xh7 Nf6-g4 Nh7xf8 b
5xa4 Qh6xh5 Kg8xf8 Qh5xg4
00:01 0 0 100118 (12423) 5 8.773 Ng3-h5 g6xh5 Ra3-g3 Qc4-c3 Rg3xc3 Rd8-c8 Bc1-b2
00:01 0 0 102960 (12423) 6 8.773 Ng3-h5 g6xh5 Ra3-g3 Qc4-c3 Rg3xc3 Rd8-c8 Bc1-b2
00:02 0 0 123680 (12423) 7 8.773 Ng3-h5 g6xh5 Ra3-g3 Qc4-c3 Rg3xc3 Rd8-c8 Bc1-b2
00:05 0 0 312169 (35325) 8 10.314 Ng3-h5 g6xh5 Ra3-g3 Qc4-b3 Rd1-d3 Qb3xd3 Bb1xd
3 Be7-f8 Qh6xf6
00:13 0 0 927891 (108032) 9 10.314 Ng3-h5 g6xh5 Ra3-g3 Qc4-b3 Rd1-d3 Qb3xd3 Bb1x
d3 Be7-f8 Qh6xf6
00:33 0 0 4190966 (784912) 10 12.309 Ng3-h5 g6xh5 Ra3-g3 Qc4-c3 Rg3xc3 Bb7-c8 Rc
3-f3 Ra8-a7 Bc1-e3 Ra7-c7 Rf3xf6 Be7xf6 Qh6xf6




















>Solved after 1:29. I thought a mate in 7, that also has 2 checking moves in the
>line should be doable in one minute - but ...
>
>k1q1bbrr/1p3pp1/p7/5n1n/PP2N2p/1NP5/1BB1Q1PP/2R2R1K b - - bm Bb5; id
>"WCSAC.0582";
>
>Solved after 2:49
>
>rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w KQ - bm Bxg6; id
>"WCSAC.0965";
>
>Solved after 3:12
>
>Regards,
>Dieter



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