Author: Jorge Pichard
Date: 01:49:37 05/25/03
Go up one level in this thread
On May 25, 2003 at 01:06:53, Matthew White wrote: >On May 25, 2003 at 01:06:10, Matthew White wrote: > >>On May 24, 2003 at 19:56:16, Jonathan Lee wrote: >> >>>On May 24, 2003 at 19:43:29, Matthew White wrote: >>> >>>>On May 24, 2003 at 18:46:53, Pierre Chevalier wrote: >>>> >>>>>On May 24, 2003 at 18:12:48, Matthew White wrote: >>>>> >>>>> >>>>>>>>It's time to see chess engines 2 years later can understand these testpostitions >>>>>>>>especially the 10 hardest ones. >>>>>>>>By looking at 170,212 post you will see the results of 2 years ago. >>>>> >>>>>>It took me a while to find it... >>>>>>http://fortuna.iasi.rdsnet.ro/ccc/ccc.php?art_id=168519 >>>>>These positions are all openings situations--hardly the area of expertise >>>>>for a computer. Would you criticise a computer that could not solve >>>>>these perfectly? This material should all be book material. >>>>From what I could see, most of these are opening "trap"-type situations. Yes, >>>>they occur in the opening, but many of these have relatively shallow reasons for >>>>the positional decision. The only one that has not been solved by a computer >>>>(according to the test, and my own experimentation) in 2 minutes is #22, which >>>>is in Shredder's book (and I would assume others too). >>>> >>>>Matt >>>http://fortuna.iasi.rdsnet.ro/ccc/ccc.php?art_id=170212 >>>Jonathan >>Here's how long it took Fritz 8 to find a4 on a 1.3 GHz Athlon: >>New game >>[D]r3kb1r/pp1b1ppp/1q2pn2/n2p4/3P1B2/2PB1N2/PPQ2PPP/RN2K2R w KQkq - 0 1 >> >>Analysis by Hiarcs 8: >> >>1.0-0 Nc4 2.b3 >> ± (0.73) Depth: 1 00:00:00 >> ² (0.52) Depth: 3/7 00:00:00 >>1.Nbd2 Bd6 2.Bxd6 Qxd6 >> ² (0.57) Depth: 3/7 00:00:00 >>1.Ne5 Bd6 2.Nxd7 Kxd7 3.Bxd6 Qxd6 >> ² (0.59) Depth: 3/8 00:00:00 >> = (0.23) Depth: 4/10 00:00:00 >>1.Nbd2 Bb5 2.Bxb5+ Qxb5 3.0-0-0 Be7 >> ² (0.44) Depth: 4/10 00:00:00 >> ² (0.39) Depth: 5/15 00:00:00 7kN >>1.0-0 Bb5 2.Bxb5+ Qxb5 3.Nbd2 Be7 4.b4 Nc6 5.Bc7 Rc8 6.a4 Nxb4 7.cxb4 Qd7 8.Rfc1 >>Bd8 9.Qc5 Bxc7 10.Qxa7 >> ² (0.66) Depth: 5/15 00:00:00 12kN >> ² (0.28) Depth: 14/41 00:35:28 234801kN >>1.a4 Nc6 2.Nbd2 Nh5 3.Be5 Be7 4.Bxh7 Nxe5 5.Nxe5 Nf4 6.g3 g6 7.gxf4 Rxh7 8.Nxd7 >>Kxd7 9.a5 >> ² (0.30) Depth: 14/41 01:08:48 449132kN >> ² (0.28) Depth: 15/42 03:52:07 1449457kN >> >>(White, . 24.05.2003)
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