Author: Steven J. Brann
Date: 11:17:42 06/28/03
Go up one level in this thread
On June 28, 2003 at 02:36:39, Slater Wold wrote: >In 1998, DB solved the following position in 5 seconds... > >[D]3rr1k1/1bqnbp1p/ppp1p1pB/6N1/3P3Q/3B4/PPP2PPP/3RR1K1 w - - 0 1 > >Everyone pretty much agreed, it'd be a while before micro's found it. > >Fritz did. In about 4 hours. >Rebel 10 did. In just over 10 minutes. >Tascbase did (on a K6/300). In just over 8 minutes. > > >SO, how about TODAY? 5 years later... > >Crafty couldn't solve it in 10 minutes. >Fritz 6 couldn't solve it in 10 minutes. >Shredder 7.04 did. In 3:37. >(All run on a P4 3.06Ghz.) > > >Anyone else want to give it a stab? CM9K (SS-14) on a 3.0G P4 alternates between Rxe6 and Qh3, and after a long think settles in on Qh3 with a score of 1.28 after 31 minutes. Did everyone just stop prematurely after finding Rxe6? Time Depth Score Positions Moves 0:46 1/10 0.86 11790257 1.Rxe6 fxe6 2.Bxg6 hxg6 3.Bg7 Bxg5 4.Qh8+ Kf7 5.Qh7 Nf8 6.Bxf8+ Kxf8 7.Qxc7 Ba8 8.Qxb6 e5 1:06 1/11 0.66 17042451 1.Rxe6 fxe6 2.Bxg6 hxg6 3.Bg7 Bxg5 4.Qh8+ Kf7 5.Qh7 Nf8 6.Bxf8+ Kxf8 7.Qxc7 Ba8 8.Qxb6 e5 9.Qc5+ Re7 1:57 1/11 0.81 30189081 1.Qh3 Bd6 2.Bg7 Bxh2+ 3.Kh1 h5 4.Bh6 Bd6 5.Qf3 Re7 6.Bxg6 fxg6 7.Rxe6 Nf8 8.Bxf8 Rxe6 9.Nxe6 4:32 1/12 0.79 73771731 1.Qh3 Bd6 2.Bg7 h5 3.Bh6 Nf8 4.Ne4 Be7 5.c3 c5 6.dxc5 bxc5 7.Qf3 Nd7 5:01 1/12 0.92 81722973 1.Rxe6 fxe6 2.Bxg6 hxg6 3.Bg7 Bxg5 4.Qh8+ Kf7 5.Qh7 Rg8 6.Be5+ Kf8 7.Bxc7 Rg7 8.Qh8+ Rg8 9.Qh3 Re8 10.Bd6+ Kg7 11.Re1 9:32 1/13 0.95 157417284 1.Rxe6 fxe6 2.Bxg6 hxg6 3.Bg7 Bxg5 4.Qh8+ Kf7 5.Qh7 Rg8 6.Be5+ Kf8 7.Bxc7 Rg7 8.Qh8+ Rg8 9.Qh3 Re8 10.Qg3 Bf6 31:42 1/13 1.31 513905957 1.Qh3 Nf8 2.Bc4 b5 3.Bb3 c5 4.Nxf7 c4 5.Nxd8 Qxd8 6.Bxf8 Bxf8 7.Bxc4 bxc4 8.Rxe6 42:41 1/14 0.99 697841012 1.Qh3 Nf8 2.Bc4 c5 3.Nxf7 Rxd4 4.Rxd4 cxd4 5.Bxe6 Bb4 6.Ng5+ Kh8 7.Qd3 Qc5 8.Bxf8 Rxf8 9.Ne4 Qe5 1:38:57 1/15 1.28 1637725545 1.Qh3 Nf8 2.Bc4 Bf6 3.Ne4 Bg7 4.Qh4 Bxh6 5.Qxh6 Nd7 6.Rd3 c5 7.Rh3 Bxe4 8.Qxh7+ Kf8 9.Rxe4 Nf6 Steve
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