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Subject: Mate in 12 moves

Author: Georg v. Zimmermann

Date: 15:24:15 08/02/02

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Diep and I agree that its a mate in 12 it seems :). Wonderfull position ! Thanks
for sharing.

Georg


On August 02, 2002 at 17:42:01, Vincent Diepeveen wrote:

>On August 02, 2002 at 15:31:50, Eduard Nemeth wrote:
>
>Latest diep DTS numa version (2 cpu's) without mating
>extensions finds a mate but needs a lot of time! this sure can
>get solved faster with a mating extension i feel!
>
>00:00    850   1k 0 0 17 (0) 1 -8.931 Nf6xg8 Qd8xh4
>00:00   1450   1k 0 0 29 (2) 1 -2.427 Rg3xg7 Rg8xg7
>++ g3-g4
>00:00  17400  17k 0 0 348 (317) 1 -2.313 Rg3-g4 e6xd5 Nf6xg8 Qd8xh4 Rg4xh4 Kh8xg
>8
>++ g3-h3
>00:00  21950  22k 0 0 439 (408) 1 -1.796 Rg3-h3 e6xd5
>00:00  46400  46k 0 0 928 (806) 2 -1.796 Rg3-h3 e6xd5
>00:00  80400  80k 0 0 2412 (1381) 3 3.920 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5
>00:00  63000  63k 0 0 3150 (1766) 4 3.920 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5
>00:00  87560  88k 0 0 4378 (2013) 5 4.285 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 g2-g3
>00:00  81357  81k 0 0 5695 (2373) 6 4.200 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 Rh3-h5 Rg8-
>e8
>00:00  90976  91k 0 0 11827 (5453) 7 4.435 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 Rh3-h5 Rg8
>-e8 g2-g3
>00:00 110104 110k 0 0 27526 (9970) 8 4.800 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 Qf6-e5 f7-
>f6 Qe5xf6 b6-b5
>00:01 110782 111k 0 0 153988 (91396) 9 4.970 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 Qf6-e5 R
>g8-d8 Rh3-g3 f7-f6 Qe5xf6
>00:01 116429 116k 0 0 213066 (97850) 10 4.902 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 Rh3-h5
>Rg8-e8 Rh5-e5 Re8-e6 Re5xe6 f7xe6 Qf6xe6
>00:02 123641 124k 0 0 317759 (104227) 11 5.446 Rg3-h3 Qd8xf6 Qh4xf6 e6xd5 Rh3-e3
> a7-a5 g2-g3 b6-b5 Re3-e5 Rg8-c8 Re5xd5
>++ d5-d6
>00:21 159296 159k 0 0 3464698 (1394532) 11 9.761 d5-d6 b6-b5 Rg3-h3 Qd8xf6 Qh4xf
>6 a7-a6 d6-d7 c5-c4 d7-d8Q
>00:39 163629 164k 0 0 6535375 (1586995) 12 9.761 d5-d6 b6-b5 Rg3-h3 Qd8xf6 Qh4xf
>6 a7-a6 d6-d7 c5-c4 d7-d8Q Rg8xd8 Qf6xd8 Rg7-g8 Qd8-f6 Rg8-g7 Rh3-g3
>02:18 202429 202k 0 0 28056673 (2299387) 13 10.246 d5-d6 Qd8-a8 d6-d7 c5-c4 Nf6x
>g8 Rg7xg3 h2xg3 Kh8xg8 Qh4-g5 Kg8-h8 d7-d8Q Qa8xd8 Qg5xd8 Kh8-g7 a3-a4 Kg7-g6 Qd
>8-g8 Kg6-f6 Qg8xh7
>02:30 201168 201k 0 0 30307999 (2662871) 14 10.961 d5-d6 Qd8-a8 d6-d7 c5-c4 Nf6x
>g8 Rg7xg3 h2xg3 Kh8xg8 Qh4-g5 Kg8-h8 d7-d8Q Qa8xd8 Qg5xd8 Kh8-g7 Qd8-d4 Kg7-g6 Q
>d4xc4 Kg6-f6 Qc4-c7 e6-e5 Qc7xa7
>03:06 198009 198k 0 0 36885207 (4613862) 15 11.091 d5-d6 Qd8-a8 d6-d7 c5-c4 Nf6x
>g8 Rg7xg3 h2xg3 Kh8xg8 Qh4-g5 Kg8-h8 d7-d8Q Qa8xd8 Qg5xd8 Kh8-g7 Qd8-d4 Kg7-g6 Q
>d4xc4 Kg6-f6 Qc4-f4 Kf6-g7 Qf4-b8 Kg7-f6
>07:19 188521 189k 0 0 82917552 (24919048) 16 13.078 d5-d6 Qd8-a8 d6-d7 e6-e5 Nf6
>xg8 Rg7xg3 Qh4xg3 Qa8-d5 Qg3-d3 Qd5xd3 c2xd3 Kh8xg8 d7-d8Q Kg8-g7 Qd8-g5 Kg7-f8
>Qg5xe5 Kf8-g8 Qe5-b8 Kg8-g7 Qb8xa7
>09:19 187089 187k 0 0 104644788 (25519920) 17 13.405 d5-d6 Qd8-a8 d6-d7 e6-e5 Nf
>6xg8 Rg7xg3 h2xg3 Kh8xg8 d7-d8Q Qa8xd8 Qh4xd8 Kg8-g7 Qd8-g5 Kg7-f8 Qg5xe5 a7-a5
>Qe5-b8 Kf8-g7 Qb8xb6 c5-c4 Qb6-a6
>14:25 186091 186k 0 0 161149588 (30909734) 18 14.475 d5-d6 Qd8-a8 d6-d7 e6-e5 Nf
>6xg8 Rg7xg3 h2xg3 Kh8xg8 d7-d8Q Qa8xd8 Qh4xd8 Kg8-g7 Qd8-g5 Kg7-f8 Qg5xe5 a7-a5
>Qe5-b8 Kf8-e7 Qb8xb6 Ke7-d7 Qb6xc5 a5-a4 Qc5-c4
>59:54 236470 236k 0 0 850109444 (341961137) 19 MATE12 d5-d6 Qd8-a8 d6-d7 a7-a5 N
>f6xg8 Qa8-d5 d7-d8Q Qd5xd8 Qh4xd8 Rg7xg3 h2xg3 Kh8-g7 Ng8-f6 Kg7-g6 Qd8-d6
>
>this version ain't stable for n cpu's yet and is not so well yet like
>newer versions will be. Let's see how those perform
>
>>[D]3q2rk/p4prp/1p2pN2/2pP4/7Q/P1P3R1/2P3PP/7K w - - 0 27
>>
>>in which time, your program find this mate in "the thinking line(!)" ?
>>
>>My full german text , with my game to position, you find here:
>>
>>http://f50.parsimony.net/forum200775/messages/757.htm
>>
>>Eduard



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