Author: Uri Blass
Date: 05:56:38 09/20/03
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On September 20, 2003 at 08:26:49, Mikael Bäckman wrote: >This position occured in a 15 min game chepla-nullmover. > >[D]r1b1kb1r/1p3ppp/p2pp3/q1pNn2Q/2B5/PP6/2PP1PPP/R1B1R1K1 w kq - 0 14 > >Cheplas postgame analysis: > > 1.10 324 0.0 Rxe5 1/5 > 1.10 368 0.0 Rxe5 dxe5 2/5 > 1.10 1k 0.0 Rxe5 dxe5 Qxe5 3/8 > 0.77 3k 0.0 Rxe5 4/7 > 0.77 15k 0.1 Rxe5? 4/2 > 0.48 16k 0.1 Rxe5 dxe5 Qxe5 Qd8 4/10 > 0.78 21k 0.1 Rxe5 dxe5 Qxe5 Qd8 Bb2 5/13 > 0.99 88k 0.3 Rxe5 dxe5 Qxe5 Ra7 b4 Qa4 6/18 > 0.70 232k 0.6 Rxe5 dxe5 Qxe5 f6 Nxf6+ gxf6 Qxf6 Rg8 7/17 > 0.51 822k 2.2 Rxe5 dxe5 Qxe5 Kd8 b4 f6 Qb2 Qa4 8/22 > 0.57 2272k 6.2 Rxe5 dxe5 Qxe5 Kd8 b4 f6 Qb2 Qa4 Nb6 9/23 > 0.52 5529k 15.2 Rxe5 dxe5 Qxe5 Kd7 Ne3 Qc7 Bb2 Qxe5 Bxe5 Ke8 10/25 > 0.77 16418k 46.1 Rxe5 dxe5 Qxe5 Kd7 d4 Bd6 Qxg7 exd5 Qxh8 dxc4 Qxh7 11/29 > 0.89 25879k 73.1 Rxe5 dxe5 Qxe5 Kd7 d4 Bd6 Qxg7 exd5 Qxf7+ Be7 Qxd5+ Ke8 > 1.22 70744k 219.6 Rxe5! 13/33 > >If you look at the lines you'll see that I have (chepla has) a big bug >somewhere.. but is Rxe5 really good as it seems? movei says that Rxe5 is the best move(evaluation was initially advantage for black but deeper search found a small advantage for white). After Rxe5 dxe5 Qxe5 Kd7 is a mistake that is probably typical for computers that search to small depthes. Ra7 is probably the right move. Uri
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