Author: Richard A. Fowell
Date: 23:09:35 04/23/02
Go up one level in this thread
I tried this on HIARCS 7.0 for a day, and it found Bxd6! at 39 seconds and held it for the rest of the day. HIARCS 7.0 Mac on 867 MHz G4, OS 9.2.1, 18.8 hours r2q3r/pp1k1pb1/3p3p/3P3n/5Bbp/2N5/PPPQN1P1/2K2R1R w - - 0 1 bm Bxd6; 15 sec 1.1 mN 07 1.Nd4 Qe7 Ncb5 Nxf4 Qxf4 h5 Kb1 a6 = 60 39 sec 3.3 mN 08 1.Bxd6 Kxd6 Rxf7 Qe8 Rxg7 Bc8 Qd4 Nxg7 Qxg7 = 132 1831 sec 157 mN 10 1.Bxd6 f5 Bh2 Qg5 Nf4 Ng3 Bxg3 hxg3 Qe3 Rhe8 = 142 8252 sec 701 mN 12 1.Bxd6 f5 Bh2 Qg5 Nf4 Rac8 Nxh5 Bxc3 = 140 67838 sec 1676 mN 12 1.Bxd6 f5 Bh2 Qg5 Nf4 Ng3 Bxg3 hxg3 Qe3 Rhe8 = 144 I also tried MacChess for a trillion nodes (48 hours) with the same result. Richard A. Fowell On April 20, 2002 at 11:47:22, Ed Schröder wrote: >On April 20, 2002 at 11:06:04, Harald Faber wrote: > >>On April 20, 2002 at 10:14:16, Ed Schröder wrote: >> >>>4 normal positions I think Rebel is good, if not superior :-) >>> >>>You are invited to disproof.... >>> >>>=========================== >>> >>>[d]r2q3r/pp1k1pb1/3p3p/3P3n/5Bbp/2N5/PPPQN1P1/2K2R1R w - - 0 1 bm Bxd6; >>> >>>Rebel: 1.7 seconds (depth=5) >> >>Sure that this is the right solution? GambitTiger 2 finds Bxd6 after 22sec >>(+0.16/10) but drops in favour of Nd4 at 1min32 and stays at this move for >>>15min with +0.40/14 on my slow A-600. > >It is labeled in my database as a positional sacrifice, that should explain why >some get it and others don't. > >Analysis... > >00:00:01.3 0,66 5 141889 Bxd6 Bxc3 Nxc3 Kxd6 Rxf7 Bd7 Ne4+ Kc7 >00:00:01.7 1,28 6 383448 Bxd6 Kc8 Bc5 Qa5 Rxh4 Bxe2 Qxe2 >00:00:02.4 1,22 7 633724 Bxd6 Kc8 Qd3 Qxd6 Qc4+ Kb8 Qxg4 >00:00:04.6 1,27 8 1668371 Bxd6 Kc8 Qd3 Bxe2 Nxe2 Qxd6 Qf5+ Kb8 >00:00:11.0 1,26 9 6600859 Bxd6 f5 Bh2 >00:00:27.0 1,32 10 18742174 Bxd6 f5 Bh2 >00:01:05.4 1,05 11 47199462 Bxd6 f5 Bh2 >00:03:58.7 1,08 12 180189836 Bxd6 f5 Bh2 > >Ed > >>Did you check whether Rebel drops Bxd6 too? >>GT2 pv for Bxd6 is 1.Bxd6 f5 2.Bb4 Qg5 ...
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