Author: Ernst Walet
Date: 22:58:21 10/05/01
Go up one level in this thread
On October 05, 2001 at 15:53:32, Uri Blass wrote: >I think that yace blundered by 20...Bd7 > >Here is Deep Fritz's analysis >Deep Fritz needs some hours on p800 to avoid 20...Bd7 > >I suspect that only material evaluation can find that 20...Bd7 is losing a pawn >when 20...h6 and it may be interesting to see if I am right. > > >Zarkov4.5T - Yace >[D]1nr1rbk1/qp3ppp/4b3/pQ1pPpB1/N2P4/P1R2N2/1P3PPP/4R1K1 b - - 0 1 > >Uri After eight and a half hour and completing 17 ply Shredder 5.32 cannot find an alternative to Bd7. Ernst. New position 1nr1rbk1/qp3ppp/4b3/pQ1pPpB1/N2P4/P1R2N2/1P3PPP/4R1K1 b - - 0 1 Analysis by Shredder 5.32: 1...Rxc3 2.bxc3 ² (0.49) Depth: 1/2 00:00:00 1...Rxc3 2.Nxc3 ± (0.86) Depth: 1/2 00:00:00 1...Nd7 2.Rxc8 Rxc8 ² (0.68) Depth: 1/2 00:00:00 1...Nd7 2.Rxc8 Rxc8 ² (0.35) Depth: 1/2 00:00:00 1...Nc6 2.Qxc6 Rxc6 3.Rxc6 ² (0.33) Depth: 1/2 00:00:00 1...Nc6 2.Qxc6 Rxc6 3.Rxc6 = (0.06) Depth: 1/2 00:00:00 1...Nc6 2.Nb6 ² (0.34) Depth: 2/4 00:00:00 1...Nc6 2.Nb6 ² (0.34) Depth: 2/4 00:00:00 1...Bd7 2.Rc6 ² (0.33) Depth: 2/4 00:00:00 1...Bd7 2.Qb3 = (0.22) Depth: 2/4 00:00:00 1...Qa6 2.Rce3 = (0.20) Depth: 2/4 00:00:00 1...Qa6 2.Qxa6 Nxa6 = (0.18) Depth: 2/4 00:00:00 1...Qa6 2.Qxa6 Nxa6 3.Rec1 = (0.21) Depth: 3/6 00:00:00 1...Qa6 2.Qxa6 Nxa6 3.Rxc8 Rxc8 4.Nb6 = (0.23) Depth: 4/8 00:00:00 1...Qa6 2.Qb3 b5 3.Rxc8 Rxc8 4.Nc3 = (0.22) Depth: 5/10 00:00:00 1...Qa6 2.Qb3 h6 3.Rxc8 Rxc8 4.Nb6 hxg5 5.Nxc8 Bxc8 6.Qxd5 ² (0.27) Depth: 6/12 00:00:01 23kN 1...Bd7 2.Qb3 b5 3.Bd2 ² (0.26) Depth: 6/12 00:00:01 32kN 1...Bd7 2.Qb3 b5 3.Rxc8 bxa4 4.Qxb8 Qxb8 5.Rxb8 Rxb8 = (-0.02) Depth: 6/12 00:00:01 39kN 1...Bd7 2.Qb6 Qxb6 3.Nxb6 Rxc3 4.bxc3 Bxa3 5.Ra1 Bb2 6.Rxa5 Bxc3 7.Rxd5 = (0.01) Depth: 7/14 00:00:01 72kN 1...Bd7 2.Qb6 Qxb6 3.Nxb6 Rxc3 4.bxc3 Bc6 5.c4 Bxa3 6.cxd5 Bb5 = (0.04) Depth: 8/16 00:00:02 183kN 1...Bd7 2.Qb3 b5 3.Nc5 Bxc5 4.Rxc5 Rxc5 5.dxc5 Qxc5 6.Rc1 Qb6 7.Qxd5 = (0.18) Depth: 9/18 00:00:05 542kN 1...Bd7 2.Qxd5 h6 3.Rxc8 Rxc8 4.e6 hxg5 5.exd7 Qxd4 6.dxc8Q ² (0.43) Depth: 10/20 00:00:12 1339kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Nc6 6.Be3 Nxd4 7.Bxd4 Bxc5 8.Bxc5 Qxc5 9.Rxf5 ² (0.54) Depth: 10/20 00:00:17 1917kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Nc6 6.Be3 Nxd4 7.Bxd4 Bxc5 8.Bxc5 Qxc5 9.Rxf5 ² (0.54) Depth: 11/22 00:00:39 4320kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Bxc5 6.dxc5 Rxc5 7.Rxf5 Qd7 8.Qf3 ² (0.53) Depth: 12/24 00:01:24 9530kN 1...h6 2.Rxc8 Rxc8 3.Nb6 Rc2 4.Be3 Qa6 5.Qb3 Rc6 6.h3 Qxb6 7.Ng5 ² (0.52) Depth: 12/24 00:01:57 13208kN 1...h6 2.Rxc8 Rxc8 3.Nb6 Rc2 4.Bd2 Nc6 5.Rd1 a4 6.Be3 Qa6 7.Qxa6 bxa6 8.Rc1 Rxc1+ 9.Bxc1 Be7 10.Nxa4 ² (0.50) Depth: 12/24 00:02:05 14450kN 1...h6 2.Bd2 Rxc3 3.Nxc3 Rd8 4.Na4 Nc6 5.Nb6 Be7 6.h3 Bf8 ² (0.57) Depth: 13/26 00:04:21 30426kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Bxc5 6.dxc5 Rxc5 7.Qc4 ² (0.56) Depth: 13/26 00:04:47 33454kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Bxc5 6.dxc5 Rxc5 7.Rxf5 Qd7 8.Qf3 ² (0.26) Depth: 13/26 00:05:54 41160kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Bxc5 6.dxc5 Rxc5 7.e6 Rxe6 8.g3 = (0.24) Depth: 14/28 00:09:48 67252kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Nc6 6.Be3 Nxd4 7.Bxd4 Bxc5 8.Bxc5 ² (0.42) Depth: 15/30 00:21:14 143756kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Nc6 6.Be3 Nxd4 7.Bxd4 Bxc5 8.Bxc5 Rxc5 9.e6 fxe6 = (0.17) Depth: 16/32 01:37:42 649602kN 1...Bd7 2.Qb3 Qa6 3.Qc2 Rxc3 4.Nxc3 Be6 = (0.17) Depth: 16/32 02:26:59 970297kN 1...Bd7 2.Qxd5 Bc6 3.Qb3 b5 4.Nc5 Bxf3 5.Rxf3 Nc6 6.Be3 Nxd4 7.Bxd4 Bxc5 8.Bc3 Qd7 ² (0.41) Depth: 17/34 05:54:30 2343171kN (PIII-500E, 192MB hash, 3 and 4 piece EGTB's, 06.10.2001)
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