Author: Steven J. Brann
Date: 17:45:07 10/29/03
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On October 29, 2003 at 18:01:28, Jaime Benito de Valle Ruiz wrote: >This is just a variation on another position posted not long ago, and on a >typical position where the king's safety is at stake: > >[d]r1bq1rk1/1p2bppp/p3p3/1n2P3/4N3/1P1P1N2/PB4PP/R3QR1K w - - 0 1 > >In the previous position, the 1.Nf6 move seems good even if the engine is not >aware of its potential, but in this one the engine must understand the black's >defence weaknesses in order to quickly find the line. Otherwise it's just a >matter of plys!! > >Of course, there are other good moves for white, such as 1.a4, that eventually >leads to 2.Nf6! But nothing seems faster and harder than 1.Nf6! > >Ruffian 1.05 doesn't see reaching depth 14 after 1:34 minutes with 128 Mb Hash >(Athlon 1800+, 512 Mb DDR). > >I bet this is an easy test for the CM. > >Regards, > > Jaime Chessmaster 9000 on a P4-3.0G machine default personality with SS=12 and 128MB hash sees the top three moves by white (see below) in order of score favoring Nf6+ as the best move found in tournament time. Time Depth Score Positions Moves 4:54 1/12 2.57 78368370 1.Nf6+ Bxf6 2.exf6 Nd6 3.Ne5 Nf5 4.fxg7 Nxg7 5.Ba3 Nf5 6.Bxf8 Qxf8 7.g4 Nd6 8.Qf2 Qe7 6:42 1/12 0.77 106947257 1.Rc1 Bd7 2.a4 Na7 3.Qg3 Rc8 4.Nf6+ Kh8 5.Qh4 h6 6.Ng5 Rxc1 7.Rxc1 Be8 8.Qe4 5:12 1/12 0.76 83257012 1.a4 Na7 2.Nd4 Bd7 3.Rc1 Rc8 4.Rxc8 Qxc8 5.Nf6+ Kh8 6.Nxd7 Qxd7 7.Qf2 Nc6 8.Nxc6 Qxc6 Steve
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