Author: Pete Galati
Date: 00:35:57 01/03/01
Go up one level in this thread
On January 02, 2001 at 02:45:27, Ferdinand S. Mosca wrote: >On January 02, 2001 at 01:24:15, Steve Timson wrote: > >>This position is from a game Chester played on ICC vs. a human. >> >>[D] 1r3rk1/pbqnnppp/4p3/2ppP3/p2P4/B1PB1N2/2P2PPP/R2QR1K1 w - - 0 15 >> >>Chester's opponent played Bxh7 and went on to win. Chester has a very hard time >>understanding this position. It doesn't realize Bxh7 is a good move until a few >>moves down the resulting sequence (Bxh7 Kxh7 Ng5+ Kg6 and it sees the swing >>after Qg4). How do other programs do here? Do they see Bxh7 in a reasonable >>time period? >> >> - Steve > > > >Hi Steve, > >Yace on P3_450 found Bxh7 in less than 27 seconds. >This position is a bit hard for programs since it gives up material. > >Dinan With the Dos Comet on a Celeron700 in Windows, approx 18mb hash, it took 77 seconds. I have doubts that this is very difficult for a program at all. They can see the King getting trapped real fast. I just wish I could see the rest of what Comet is thinking, but that King appears to be in big trouble. Pete Comet-B.27 Wed Jan 3 02:12:29 2001 depth score sec nodes pv 1. +0.19 0 947 d3b5 2. +0.15 0 3466 a3c5 d7c5 d4c5 c7c5 a1a4 3. +0.15 0 10709 a3c5 d7c5 d4c5 c7c5 a1a4 4. +0.11 0 12140 a3c5 d7c5 d4c5 f8c8 f3g5 4. +0.11 0 41242 a3c5 d7c5 d4c5 f8c8 f3g5 5. +0.02 0 49891 a3c5 d7c5 d4c5 f8c8 a1a4 c7c5 d1d2 5. +0.11 0 80031 d1d2 f8e8 d4c5 e8c8 a3b4 d7c5 b4c5 5. +0.11 1 133031 d1d2 f8e8 d4c5 e8c8 a3b4 d7c5 b4c5 6. +0.14 2 245899 d1d2 f8e8 a3c5 d7c5 d4c5 c7a5 e1b1 6. +0.14 5 766414 d1d2 f8e8 a3c5 d7c5 d4c5 c7a5 e1b1 7. +0.13 7 1067950 d1d2 f8c8 e1b1 e7g6 a3c5 d7c5 d3g6 7. +0.13 12 1694460 d1d2 f8c8 e1b1 e7g6 a3c5 d7c5 d3g6 8. +0.04 24 3132774 d1d2 f8e8 e1b1 b7a8 d2g5 b8b1 a1b1 8! +0.26 77 11278271 d3h7 g8h7 f3g5 h7h6 d1g4 e7g6 g5e6 8! +0.53 79 11826970 d3h7 g8h7 f3g5 h7h6 d1g4 c5d4 a3e7 8. +0.56 83 12775906 d3h7 g8h7 f3g5 h7g6 d1g4 f7f5 a3b4 8. +0.56 83 12798067 d3h7 g8h7 f3g5 h7g6 d1g4 f7f5 a3b4 9? +0.42 85 13314268 d3h7 g8h7 f3g5 h7g6 d1g4 f7f5 g4f5 9? +0.15 113 18995944 d3h7 g8h7 d4c5 9. +0.15 114 19120060 d3h7 g8h7 d4c5 ==> My Move: d3h7 in 1:59
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