Author: Tim Foden
Date: 05:12:46 10/06/01
Go up one level in this thread
On October 06, 2001 at 07:54:35, leonid wrote: >On October 06, 2001 at 05:07:58, Tim Foden wrote: > >>On October 05, 2001 at 16:02:14, Paul wrote: >> >>>On October 05, 2001 at 12:59:56, leonid wrote: >>> >>>>Today, after good explantion of how it must be done, I installed Chest (Heiner's >>>>mate solver). It do the wonders on brute force search. I went to see some >>>>positions that otherwise will be too slow for me to solve. It could be that you >>>>can help me with one position. Your computer and hash could make solution more >>>>speedy. Mine is Celeron 600Mhz, 64M. This position is actually one from three >>>>similar positions one of which went to Web. This last was left as less >>>>accessible. Just say me how far you went, or what solution you found. >>>> >>>>[D]kq4BK/pq4QQ/2qqnP2/1NnqQnN1/2QBqB2/5r2/RQ4qr/RQ4bb w - - >>>> >>>>Thanks, >>>>Leonid. >>> >>>For now here's what Pretz found: >>> >>>00:40 WM12 12 Rxa7+ Q8xa7 Rxa7+ Kb8 Ra8+ Kxa8 Q1a1+ Qca6 Qxa6+ Nxa6 Qc8+ Qdb8 >>>Qexb8+ Nxb8 Nc7+ Nxc7 Qxb8+ Qxb8 Qxb8+ Kxb8 Qxc7+ Ka8 Qb8# >>> >>>A mate in 12 in 40 seconds. >> >>Pretz did very well to find a mate in 40 seconds! Green Light took over 6 >>hours! >> >> 10 20:53 ++ 671083k Qxb7+ (a=21.81 b=22.61 e=22.61) >> 10 39:20 +29.914 1392m Qxb7+ Qbxb7 Rxa7+ Kb8 Ra8+ Qxa8 Nxd6+ Qxb2 Qxb2+ >> Rb3 Rxa8+ Qxa8 Qbxb3+ Qab7 Ndxe4+ Qxe5 Bfxe5+ Nc7 >> Bxc7+ Ka8 Qxb7+ Kxb7 Nxc5+ Ka8 Bxh2 Bxd4 Qxf5 >> 10 6:04:59 +Mate12 13318m Nc7+ Qcxc7 Rxa7+ Q8xa7 Rxa7+ Kb8 Rxb7+ Qdxb7 Qxb7+ >> Qexb7 Qxb7+ Kxb7 Qxc7+ Nxc7 Qb5+ Kc8 Qee8+ Nxe8 >> Qxe8+ Qd8 Qc6+ Qc7 Qxc7# >> 10 6:24:27 +Mate12 14263m Nc7+ Qcxc7 Rxa7+ Q8xa7 Rxa7+ Kb8 Rxb7+ Qdxb7 Qxb7+ >> Qexb7 Qxb7+ Kxb7 Qxc7+ Nxc7 Qb5+ Kc8 Qee8+ Nxe8 >> Qxe8+ Qd8 Qc6+ Qc7 Qxc7# >> 11 8:12:18 +Mate12 19413m Nc7+ Qcxc7 Rxa7+ Q8xa7 Rxa7+ Kb8 Rxb7+ Qdxb7 Qxb7+ >> Qexb7 Qxb7+ Kxb7 Qxc7+ Nxc7 Qb5+ Kc8 Qee8+ Nxe8 >> Qxe8+ Qd8 Qc6+ Qc7 Qxc7# >> 11 10:00:11 1/73 Rxa7+ >exit >> >>Cheers, Tim. > >Hi, Tim! > >I don't know if I asked you this some time before but I am curious to know. Do >you have in your solver equal way written plys, or you have specialized plys? At >least, now I know already three person that use specialized plys in their >program; I am one between them. Not everybody do this. Paul, for instance, do >otherwise and still reach good result. No Leonid. My program is a normal chess program. It doesn't have a mate solving mode, and I don't intend to add one. :) Cheers, Tim.
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