Author: Will Singleton
Date: 19:44:50 02/21/06
Go up one level in this thread
On February 21, 2006 at 22:27:37, Will Singleton wrote: >On February 21, 2006 at 22:02:42, Jon Dart wrote: > >>[D] 8/6p1/8/1K4p1/P7/1n6/6k1/6B1 w - - >> >>How long to find Bb6 with a + score? (Ba7 is also good). >> >>--Jon > >Amateur 2.86 (32 secs, amd 4200+): > >15 85 484 3230297 Be3 Kf3 Bxg5 Ke4 Kc4 Na5 Kc5 Nb3 Kb5 Nd4 >16 86 1210 8354042 Be3 g4 >17 85 1861 12636363 Be3 Kf3 >17 170 3270 22212398 Bb6 g6 Kc4 Nd2 Kd3 Nf3 a5 Ne5 Kc3 Nd7 Bd8 Nc5 >18 454 8938 60402156 Bb6 Kh1 >19 457 15951 108895881 Bb6 Kf3 Kb4 Ke4 Kxb3 Kd5 a5 Kc6 Kc4 Kb7 Kd4 Ka6 > Ke4 g6 Bc7 Kb7 Bd8 g4 > >Rybka gets it in < 1 sec, but I didn't see another program get it fast in >limited testing. > >Will Ack, you fooled me, I think. Isn't Bb6 actually a draw? Even though Rybka and Spike give +4 immediately, I think it's because they can't see that the king can block the a pawn indefinitely. Or, is there some egdb that shows a solution? Will
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