Author: Richard A. Fowell
Date: 13:31:06 03/17/02
Go up one level in this thread
<snip> >Arasan apparently missed a win several times. One is at move 20: > [D] r3k1r1/pR1b1p2/2n1pQpp/3pP3/8/2P2N2/P1PKB1qP/5R2 w q - > >Here Rxd7! is better than h4. Crafty finds this in under a minute, >Pharaon in about 2 1/2 minutes. Arasan 5.4 takes over 4 minutes >(Athlon 1.4 GHz). > >Arasan 6.0 (latest build) can't find it in 10 minutes - maybe >some bug, I'm not sure. > >--Jon Here's MacChess's analysis from 1 second on - finds Rxd7! during the 12th ply, in under 8 minutes on a 867 MHz Mac G4. MacChess is freeware for the Macintosh - download link, manual, other Mac chess software links at: http://members.aol.com/macchess/ Ply Time Nodes Eval Principal Variation ============================================================================= 06/01|00:00:00| 240009| -21| Nd4 Nd8 Nc6 Qg5+ Qxg5 hxg5 Nxd8 Rxd8 Rxa7 07/01|00:00:01| 447170| -45| Nd4 Nd8 Nc6 Qg5+ Qxg5 hxg5 Nxd8 Rxd8 Rg1 f5 07/19|00:00:02| 1506802| -29| Qh4 Na5 Rb4 g5 Qxh6 Nc4+ Ke1 Ne3 08/01|00:00:03| 2382988| -29| Qh4 g5 Qxh6 Na5 Rbb1 Nc4+ Ke1 Rc8 Bxc4 Rxc4 08/02|00:00:05| 3661135| +36| Nd4 Qg5+ Qxg5 hxg5 Nxc6 Bxc6 Rbxf7 a6 c4 d4 09/01|00:00:09| 6009102| +36| Nd4 Qg5+ Qxg5 hxg5 Nxc6 Bxc6 Rbxf7 a6 c4 d4 10/01|00:00:17| 11557228| +56| Nd4 Qg5+ Qxg5 hxg5 Nxc6 Bxc6 Rbxf7 Bd7 c4 dxc4 11/01|00:00:37| 25335895| +52| Nd4 Qg5+ Qxg5 hxg5 Nxc6 Bxc6 Rbxf7 Bd7 c4 dxc4 12/01|00:01:47| 73166032| +78| Nd4 Qg5+ Qxg5 hxg5 Nxc6 Bxc6 Rbxf7 Rh8 R7f6 12/35|00:07:41| 312111584| +153| Rxd7 Kxd7 Qxf7+ Ne7 Nd4 Qg5+ Kd1 Qxe5 Bb5+ Kd6 13/01|00:13:07| 529090375| +280| Rxd7 Kxd7 Qxf7+ Ne7 Nd4 Qg5+ Kd1 Rad8 Bb5+ Kc8 14/01|00:23:40| 957090636| +291| Rxd7 Kxd7 Qxf7+ Ne7 Nd4 Qg5+ Kd1 Rad8 Bb5+ Kc8 15/01|00:52:32| 2132462076| +287| Rxd7 Kxd7 Qxf7+ Ne7 Nd4 Qg5+ Kd1 Rad8 Bb5+ Kc8 Ba6+ Kd7 Qxe6+ Kc7 Nf3 Qe3 Qxe7+ Rd7 Qe6 Rf8 Bb5 Richard A. Fowell
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