Author: Uri Blass
Date: 14:42:04 06/16/03
Go up one level in this thread
On June 16, 2003 at 17:10:44, Marc van Hal wrote: >r4rk1/p5pp/1p1ppn2/3b4/1P1Pnq2/P4N2/1BQ1BPPP/2R2RK1 b - - 1 1 > >Find a clear win for Black. >This is pointed at the diference in tactics between nulmove and normal search >So sory John this time you are not invited. >Or you might provide them the answer. > >Marc I do not understand what has John to do with null move pruning. shredder7.04(p85) can only see a clear advantage for black but not a clear win in 15 minutes New game [D]r4rk1/p5pp/1p1ppn2/3b4/1P1Pnq2/P4N2/1BQ1BPPP/2R2RK1 b - - 0 1 Analysis by Shredder 7.04: 1...Rac8 2.Qxc8 Rxc8 3.Rxc8+ Ne8 ± (0.91) Depth: 1/5 00:00:00 1...Rac8 2.Qxc8 Rxc8 3.Rxc8+ Kf7 ± (1.01) Depth: 1/7 00:00:00 1...Ng4 ² (0.28) Depth: 1/7 00:00:00 1...Ng4 ³ (-0.56) Depth: 1/7 00:00:00 1...Ng4 ³ (-0.56) Depth: 1/7 00:00:00 1...Ng4 2.Rce1 µ (-0.76) Depth: 2/10 00:00:00 1...Ng4 2.Bd3 Rad8 µ (-0.72) Depth: 3/11 00:00:00 1...Ng4 2.Bc4 Ng5 3.g3 µ (-0.97) Depth: 4/16 00:00:00 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 µ (-1.04) Depth: 4/16 00:00:00 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 µ (-1.04) Depth: 5/18 00:00:00 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 µ (-1.04) Depth: 6/18 00:00:00 26kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Be4 µ (-1.11) Depth: 7/19 00:00:00 58kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qg4 5.hxg4 µ (-0.86) Depth: 8/20 00:00:00 114kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qg5 µ (-0.86) Depth: 8/20 00:00:01 158kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Be4 5.Qc7 Qd2 µ (-0.72) Depth: 9/22 00:00:02 328kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qg5 5.Qc7 Qd2 ³ (-0.62) Depth: 10/24 00:00:05 748kN 1...Rad8 2.Ba6 Ng4 3.h3 Ng5 4.Kh1 Bxf3 5.Qxh7+ Kxh7 ³ (-0.63) Depth: 10/27 00:00:15 2227kN 1...Rad8 2.h3 Ng5 3.Nxg5 Qxg5 4.f3 Qg3 5.Bd3 Rf7 6.Qf2 g6 7.Qxg3 ³ (-0.64) Depth: 10/27 00:00:16 2469kN 1...Kh8 2.Ba6 Ng4 3.h3 Ng5 4.Nxg5 Qh2# ³ (-0.65) Depth: 10/27 00:00:28 4231kN 1...Kh8 2.h3 Ng5 3.Nxg5 Qxg5 4.f3 a5 5.bxa5 Rxa5 6.Bd3 Qe3+ 7.Kh2 Ng4+ 8.hxg4 Qg1+ ³ (-0.65) Depth: 10/27 00:00:30 4530kN 1...Kh8 2.Bd1 Rf7 3.Rb1 Bb7 4.Qc1 Qf5 5.Be2 Raf8 6.Nh4 ³ (-0.63) Depth: 11/30 00:00:51 7659kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qg5 5.Kg1 Rxf3 6.Qc8+ Rxc8 ³ (-0.64) Depth: 11/30 00:01:00 8704kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Bd3 Bxf3 6.Qc8 Raxc8 7.Bxh7+ Kxh7 µ (-0.99) Depth: 11/30 00:01:03 9009kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Kf1 Rf6 6.Qc7 Bxf3 7.gxf3 Rf7 µ (-1.07) Depth: 11/30 00:01:17 11035kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Kf1 Rf6 6.Qc7 Bxf3 7.Ke1 Qxg2 µ (-1.32) Depth: 12/30 00:01:31 13103kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Qd2 Rf5 6.Qe3 Raf8 7.Kf1 R5f6 8.Rc7 Rxf3+ 9.gxf3 Rxf3+ 10.Bxf3 µ (-1.32) Depth: 12/34 00:01:54 16335kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Qd2 Rf6 6.Qe1 Bxf3 7.Bxf3 Raf8 -+ (-1.50) Depth: 13/38 00:03:07 26366kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Kf1 Rf6 6.Qd3 Raf8 7.Qe3 Bxf3 8.gxf3 Qh1+ 9.Qg1 Rxf3+ 10.Bxf3 -+ (-1.43) Depth: 14/38 00:05:27 48195kN 1...Ng4 2.h3 Ngxf2 3.Rxf2 Nxf2 4.Kxf2 Qh2 5.Kf1 Rf6 6.Qd3 Raf8 7.Qe3 Qg3 8.Qf2 Qg6 µ (-1.19) Depth: 15/41 00:11:21 97158kN (, eim 17.06.2003)
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