Author: Uri Blass
Date: 22:49:21 07/26/05
Go up one level in this thread
On July 27, 2005 at 01:08:35, Drexel,Michael wrote: >This position is not relevant at all. Black was completely lost after the simple >46...Bxg4. I don´t need an engine for that. The move is pretty obvious. The top >engines Shreddder and Fritz were useless anyway in this position as they don´t >have a clue. I agree that 46...Bxg4 seems to me as the best move without engines when after g2 Nxh2 white get an open file for exchange when after 46...Bxg4 white need to be a piece down for the open file. I do not think that engines do not have a clue here. Fruit suggests 46...Bxg4 and gives a big advantage for black(more than a pawn after a short time) It seems that Shredder has less knowledge in the evaluation than Fruit because Shredder cannot see the big advantage of black and believes that the open h file is enough compensation for the piece after 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 SHREDDER - Garcia Palermo,C, Mercosur Cup 2005 [D]2b2r2/2p2rkn/1p1p4/pP1Pp1q1/P3P1N1/2Q2Pp1/2P1B2p/1KR2N1R b - - 0 1 Analysis by Fruit 2.1: 46...Bxg4 47.fxg4 ± (0.74) Depth: 1/2 00:00:00 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 ³ (-0.36) Depth: 1/12 00:00:00 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 ³ (-0.36) Depth: 2/18 00:00:00 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Nf6 49.Nxf6 Kxf6 µ (-0.80) Depth: 3/18 00:00:00 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Nf6 49.Rg1 ³ (-0.69) Depth: 4/18 00:00:00 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Kh8 49.Nf1 Bxg4 50.fxg4 ³ (-0.61) Depth: 5/18 00:00:00 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Nf6 49.Nxf6 Kxf6 50.Ng4+ Bxg4 51.fxg4 Kg7 ³ (-0.61) Depth: 6/20 00:00:00 54kN 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Nf6 49.Nxf6 Qg2 50.Nh5+ Kg6 51.Ng3 Qxg3 µ (-0.83) Depth: 7/26 00:00:00 135kN 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Qf4 49.Ne3 Ng5 50.Ng2 Qg3 51.Ne3 µ (-0.73) Depth: 8/29 00:00:00 332kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Qh3 Ng5 50.Qh4 Rh8 µ (-0.77) Depth: 8/29 00:00:00 485kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Qd3 Nf6 50.Rcf1 Qxe4 51.Qxe4 Nxe4 52.Rxf7+ Rxf7 53.Rxh2 µ (-0.85) Depth: 9/30 00:00:01 666kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Qh3 Ng5 50.Qxh2 Qxh2 51.Rxh2 Nxe4 52.Kb2 µ (-0.93) Depth: 10/30 00:00:01 1107kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Kb2 Nf6 50.Bf3 Rh8 51.Rcf1 Rh3 52.Qd3 Nxg4 µ (-1.27) Depth: 11/31 00:00:02 2207kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Kb2 Nf6 50.Bf3 Nd7 51.Rcf1 Nc5 52.Ka3 Kh8 µ (-1.29) Depth: 12/32 00:00:05 4455kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Qh3 Ng5 50.Qxh2 Qxh2 51.Rxh2 Nxe4 52.Kb2 Nc5 53.Ra1 Rf2 54.Rxf2 Rxf2 µ (-1.26) Depth: 13/34 00:00:10 9027kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Qh3 Ng5 50.Qxh2 Qxh2 51.Rxh2 Nxe4 52.Rch1 Nc3+ 53.Ka1 Nxa4 54.Rh7+ Kg6 55.Bd3+ Kg5 µ (-1.23) Depth: 14/38 00:00:20 17789kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 49.Qh3 Ng5 50.Qxh2 Qxh2 51.Rxh2 Nxe4 52.Kb2 Nc5 53.Ra1 Rf2 54.Rxf2 Rxf2 55.Bc4 µ (-1.30) Depth: 15/38 00:00:40 35182kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Rf2 49.Qxc7+ R8f7 50.Qc4 Qd2 51.Bd3 Nf6 52.Ka1 Nxg4 53.Qc6 Qb4 54.Qxb6 Qxa4+ 55.Kb1 Qa3 -+ (-1.41) Depth: 16/47 00:01:23 73882kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Rf2 49.Qxc7+ R8f7 50.Qc4 Qd2 51.Bd3 Nf6 52.g5 Nh7 53.g6 Kxg6 54.Ka1 Qb4 55.Qa2 Nf6 -+ (-1.59) Depth: 17/51 00:03:13 175009kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Rxh7 Rxh7 51.Rxh7 Kxh7 52.Qxc7+ Kg6 53.Qxb6 Qd8 54.Qg1+ Kf6 55.Qe3 Ke7 56.b6 Rg8 57.Qf2 Rh8 58.Kb2 -+ (-1.52) Depth: 18/55 00:05:52 321591kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Bd3 Qf6 51.Rg2+ Kh8 52.Be2 Rg7 53.Rgh2 Qe7 54.Rh6 Rf6 55.R6h2 Rfg6 56.f4 Rg1+ 57.Rxg1 Rxg1+ 58.Kb2 -+ (-1.62) Depth: 19/67 00:12:40 696806kN (, 27.07.2005) SHREDDER - Garcia Palermo,C, Mercosur Cup 2005 2b2r2/2p2rkn/1p1p4/pP1Pp1q1/P3P1N1/2Q2Pp1/2P1B2p/1KR2N1R b - - 0 1 Analysis by Shredder 9 UCI: 46...Bxg4 ³ (-0.56) Depth: 1/1 00:00:00 46...Bxg4 47.fxg4 µ (-0.77) Depth: 1/4 00:00:00 46...Bxg4 47.fxg4 ³ (-0.52) Depth: 2/6 00:00:00 46...Bxg4 47.Nxh2 = (-0.04) Depth: 2/10 00:00:00 46...Qxc1+ ³ (-0.47) Depth: 2/14 00:00:00 46...Qxc1+ 47.Kxc1 g2 ³ (-0.47) Depth: 2/14 00:00:00 46...Qxc1+ 47.Kxc1 = (-0.22) Depth: 3/14 00:00:00 46...Qxc1+ 47.Kxc1 ² (0.28) Depth: 3/14 00:00:00 46...Qxc1+ 47.Kxc1 ² (0.28) Depth: 3/14 00:00:00 46...Bxg4 ² (0.27) Depth: 3/17 00:00:00 46...Bxg4 47.Nxh2 gxh2 = (-0.04) Depth: 3/17 00:00:00 46...Bxg4 47.Nxh2 gxh2 48.fxg4 = (-0.04) Depth: 4/17 00:00:00 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qf4 = (-0.20) Depth: 5/17 00:00:00 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Qh6 49.Qg3 = (0.03) Depth: 6/17 00:00:00 10kN 46...Bxg4 47.Nxh2 = (-0.22) Depth: 7/17 00:00:00 21kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Rf2 49.Qxc7+ = (-0.22) Depth: 7/17 00:00:00 24kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Rf2 49.Qxc7+ R8f7 50.Qxb6 Rxe2 51.Qxd6 ³ (-0.39) Depth: 8/22 00:00:00 51kN 46...Bxg4 47.Nxh2 gxh2 48.fxg4 Rf2 49.Qxc7+ R8f7 50.Qxb6 Rxe2 51.Qxd6 ³ (-0.39) Depth: 9/23 00:00:02 85kN 46...Bxg4 47.Nxh2 = (-0.14) Depth: 10/24 00:00:02 148kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 = (-0.14) Depth: 10/24 00:00:02 187kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Nf6 50.Rh4 Bb7 51.R4h3 Kg8 ³ (-0.30) Depth: 11/24 00:00:03 351kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Nf6 50.Rh4 Bb7 51.R4h3 Rg8 52.Rh4 = (-0.21) Depth: 12/27 00:00:04 621kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Nf6 50.Rh4 Bb7 51.Bf1 Ne8 52.Be2 Kg8 ³ (-0.26) Depth: 13/31 00:00:06 1143kN 46...Bxg4 47.Nxh2 = (-0.01) Depth: 14/31 00:00:07 1933kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rhh1 Qf4 50.Rcg1+ Kf6 51.Ka2 Ng5 = (0.06) Depth: 14/33 00:00:07 2638kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Rh5 Qf4 51.R5h4 Qg3 52.Rh6 = (0.00) Depth: 15/33 00:00:13 6428kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Rh5 Qg3 51.Qe3 Qf4 52.Qc3 Rg7 53.R5h4 Qg5 = (-0.05) Depth: 16/40 00:00:21 10576kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Rh5 Qg3 51.Qe3 Qf4 52.Qc3 Rg7 53.R5h4 Qg5 = (-0.05) Depth: 17/42 00:00:38 18723kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Rh5 Qg3 51.Qe3 Qf4 52.Qc3 Rg7 53.R5h4 Qg3 54.Qe3 = (-0.05) Depth: 18/42 00:01:07 33174kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Rh5 Qg3 51.Qe3 Qf4 52.Qc3 Rg7 53.Kb2 Qg3 54.Rh6 = (-0.05) Depth: 19/48 00:02:13 65294kN 46...Bxg4 47.Nxh2 gxh2 48.Rxh2 Bc8 49.Rch1 Kg8 50.Qe1 Qf4 = (-0.14) Depth: 20/49 00:04:26 131060kN 46...g2 = (-0.15) Depth: 20/49 00:05:30 161977kN 46...g2 47.Nfxh2 gxh1Q 48.Rxh1 Nf6 49.Nxf6 ³ (-0.49) Depth: 20/49 00:07:47 226817kN (, 27.07.2005) Uri
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