Author: Richard Pijl
Date: 15:59:19 02/27/03
Go up one level in this thread
On February 27, 2003 at 17:51:17, Art Basham wrote: >In this game black played ....Nxh3+ >and went on to win.... > >[D]2r1r1k1/pp1q1pp1/3b3p/8/3Npn1B/P6P/1P3PP1/R2QR1K1 b - - 0 1 > >I wonder how the new programs find this winning combination and knight >sacrifice? The Baron doesn't bother looking for a sac and just plays Nd3 (Athlon MP 2000+, single CPU version): ply time nodes score pv 4( 8)& 0 18432 336 f4d3 e1e2 g7g5 d1d2 4( 8). 0 20408 336 f4d3 e1e2 g7g5 d1d2 5(10)& 0 33144 336 f4d3 e1e2 g7g5 d1d2 g5h4 5(10). 0 51533 336 f4d3 e1e2 g7g5 d1d2 g5h4 6(12)& 0 105831 347 f4d3 e1e3 d6c5 d4c2 c5e3 c2e3 6(13). 0 160094 347 f4d3 e1e3 d6c5 d4c2 c5e3 c2e3 7(15)& 1 358350 355 f4d3 d4c2 d3e1 c2e1 c8c5 a1c1 d7f5 7(15). 1 526736 355 f4d3 d4c2 d3e1 c2e1 c8c5 a1c1 d7f5 8(17)& 3 1110181 357 f4d3 e1e3 g7g5 d1e2 g5h4 e3e4 e8e4 e2e4 d3f4 8(17). 5 1650082 357 f4d3 e1e3 g7g5 d1e2 g5h4 e3e4 e8e4 e2e4 d3f4 9(19)& 9 2751486 372 f4d3 e1e3 g7g5 d1e2 d6c5 e3e4 d3f4 e4e8 c8e8 e2b5 9(19). 15 4404472 372 f4d3 e1e3 g7g5 d1e2 d6c5 e3e4 d3f4 e4e8 c8e8 e2b5 10(20)& 32 9351927 376 f4d3 e1e3 g7g5 d1e2 d6c5 e3e4 d3f4 e4e8 c8e8 e2b5 f4e2 g1h2 10(23). 51 14769107 376 f4d3 e1e3 g7g5 d1e2 d6c5 e3e4 d3f4 e4e8 c8e8 e2b5 f4e2 g1h2 11(22)& 85 24775395 379 f4d3 e1e3 g7g5 d1e2 d3f4 e2b5 d7b5 d4b5 d6c5 e3g3 f4e2 g1h2 11(24). 155 45063707 379 f4d3 e1e3 g7g5 d1e2 d3f4 e2b5 d7b5 d4b5 d6c5 e3g3 f4e2 g1h2 12(23)+ 252 72455249 414 f4d3 e1e3 g7g5 d1e2 d6c5 e3e4 c5d4 h4g3 d4b2 e4e8 c8e8 a1d1 e8e2
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