Author: Ren Wu
Date: 09:55:42 01/23/01
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On January 22, 2001 at 20:01:22, Bruce Moreland wrote: >[D]r4r1k/4bppb/2n1p2p/p1n1P3/1p1p1BNP/3P1NP1/qP2QPB1/2RR2K1 w - - 0 1 > >After a trillion nodes (19 plies) my program can't solve this. > >It wants to play Nxh6 with a dubious +1 score (up an exchange for a pawn, and >probably losing a pawn), but it can't find the key, which is Ng5. > >If this is solvable, it is much harder than many of the others. > >bruce After about 10 hours, my program gives 17. -13 22963.6 1097898436 g4f6 f8c8 f6h7 h8h7 c1a1 a2b3 f3d2 b3b2 g2c6 c8c6 d1b1 b2b1 d2b1 h7g8 18. 0 36290.5 2101713756 g4f6 f8c8 f6h7 h8h7 c1a1 a2b3 f3d2 b3b2 d1b1 b2c2 b1c1 c2b2 c1b1 And think it is a draw. This is about same to Deep Thought's result. I have to stop it after 15 hours, and it still work on 19th ply. I'll let it run longer at weekends. And yes, this one seems very hard. Ren
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