Author: John Merlino
Date: 17:48:18 12/26/02
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On December 26, 2002 at 19:34:25, Mike Byrne wrote: >28. Be4! a super grandmaster move, by a super grandmaster. > >Any programs come up with this? > >[d]2nq1nk1/5p1p/4p1pQ/pb1pP1NP/1p1P2P1/1P4N1/P4PB1/6K1 w - - It takes CM9000, on a humble P3-733, 6:18 to find Be4: Time Depth Score Positions Moves 0:00 1/3 0.64 1345 1.hxg6 fxg6 2.Nf3 Qc7 0:00 1/4 0.64 3034 1.hxg6 fxg6 2.Nf3 Qc7 0:00 1/4 0.90 6807 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 0:00 1/5 0.90 13902 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 0:00 1/6 0.93 40145 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Qf7 Qd7 0:01 1/7 0.90 105057 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 Nxf5 6.gxf5 0:02 1/8 1.13 234705 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 Nxf5 6.gxf5 Bd3 7.Qf7 0:07 1/9 1.06 649281 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 Nxf5 6.gxf5 Bd3 7.Qf7 Ng5 0:20 1/10 1.14 2014100 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 Nxf5 6.gxf5 Bd3 7.f4 Qf8 8.Qxd5 Qxf5 9.Qxa5 Qxf4 10.Qxb4 0:47 2/11 1.04 5110520 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ng5 5.Qg6 Nh7 6.Nf5 Qg5 7.Qe6 Qc1+ 8.Kh2 Qf4+ 9.Ng3 Na7 3:54 3/12 1.11 25537135 1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 Nxf5 6.gxf5 Bd3 7.f6 Be4 8.Qf7 Qg8 6:18 3/12 2.45 40641728 1.Be4 Be8 2.hxg6 fxg6 3.Qxf8+ Kxf8 4.Nxe6+ Ke7 5.Nxd8 dxe4 6.Nb7 Bd7 7.g5 Bc6 8.Nxa5 Bd5 Sadly, pprobably 1/4 of the total time was spent analyzing f4. jm
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