Author: leonid
Date: 13:15:57 08/20/00
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On August 19, 2000 at 22:57:27, Larry Griffiths wrote: >[D]3R1B1K/5p2/2p2p2/b1rPNP1n/q1rkNP2/1Pp2Q2/1n6/5B2 W - - > >I finally got a principle continuation working. My program is not getting the >same checkmate that other programs are getting. Can someone verify that my >moves are indeed checkmate? >This is my result... > >e4-c5 c4-c5 e5-g4 a5-d8 f1-g2 c6-d5 f3-e3 This position is interesting in the sense that it have few solutions. When we look for solutions only for minimum number of moves, that lead to mate, they are 3. Minimum number of moves needed to mate is four. Moves that execute mate in four moves are: Rook d8-e8, knight e5-g4, knight e4-c5. (5 sec, 3 sec, 2 sec. Mate solver in LLchess. 400Mhz) If solution regarded in more that four moves ahead, there could be still few other solutions. After solving position by brute force solver, I tried to solve it by my default mate solver. New response was Queen f3-f2. Default search is done in selective way, 7 moves deep. Took 0.3 sec. Leonid.
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