Author: Jouni Uski
Date: 02:20:30 03/03/04
Go up one level in this thread
On March 03, 2004 at 05:17:59, George Tsavdaris wrote: >On March 03, 2004 at 04:18:30, Paul Byrne wrote: > >>Granted, it is not a terribly useful position, as it came from a wild 8 (pawns >>start on 4th rank) game on ICC between 2 patzers. And a very short search will >>get you a score of +10 to +15 and better in white's favor. >> >>It is, however, surprisingly tough to see the mate, and makes an interesting >>test position... >> >>[D]r1b3n1/6k1/1n6/pP3qPQ/2PP2p1/1p4b1/4B3/R1BK2NR w - - 0 15 >> >>Guildenstern's normal search cannot see it here, while it's PN search gets it in >>under 30 seconds on an athlon 2400+. The line the PN search produces is mate in >>19, but is likely not optimal, as PN search is not terribly concerned with >>winning in the least number of moves. >> >>So, what programs can see the win from here? >> > >The best in this positions Chessmaster and specifically CM9000-SKR find this in >24 seconds! in a PIV-1500 MHz with 32 MiB hash. And announces a mate in 16! > Wow! I tried a lot of engines including Chest without success below 2 minutes... Jouni
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