Author: Bryan Hofmann
Date: 12:08:01 03/26/04
Go up one level in this thread
On March 26, 2004 at 13:49:45, Kurt Utzinger wrote: >[D]r1b1r1k1/ppq3pp/2n1pp2/3pP3/8/2PBQN2/PP3PPP/4RRK1 b - - 0 17 > >How long needs your engine to avoid 17...fxe5? which would be >a positonal bad move since Black remains with a passive bishop >on c8 and a weak backward pawn on e6. Best seems to close the >centre with 17...f5 but other moves keeping the tension are >also stronger than 17...fxe5? A quick 5 minute analysis by a few different engines showing different options; Tao 5.6 1 00:00 -0.35 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 1 00:00 -0.24 Bd7 exf6 gxf6 2 00:00 -0.24 Bd7 exf6 gxf6 3 00:00 -0.97 Bd7 exf6 gxf6 Qh6 3+ 00:00 -0.97 Qb6 3 00:00 -0.59 Qb6 Qxb6 axb6 a3 fxe5 Nxe5 Nxe5 Rxe5 3+ 00:00 -0.59 Nxe5 3 00:00 -0.35 Nxe5 Nxe5 fxe5 Qxe5 Qxe5 Rxe5 3+ 00:00 -0.35 fxe5 3 00:00 -0.22 fxe5 Nxe5 Bd7 4 00:00 -0.35 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 5 00:00 -0.35 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 6 00:00 0.09 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 7 00:00 -0.17 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 Rfe1 8 00:00 -0.03 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rac8 9 00:01 -0.03 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rac8 10 00:04 -0.04 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 f4 Rf8 Ree1 Rac8 11 00:08 -0.06 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rf8 Ree1 Rac8 g3 12 00:14 -0.06 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rf8 Ree1 Rac8 g3 13 00:38 -0.18 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rf8 c4 dxc4 Bxc4 Rae8 Ree1 14 02:19 -0.27 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rf8 c4 dxc4 Bxc4 Kf7 Rfe1 Rae8 14+ 04:12 -0.27 f5 14 04:52 -0.26 f5 c4 Nb4 cxd5 Nxd5 Qd2 Rd8 Rc1 Qe7 Bc4 b6 Qg5 Qxg5 Nxg5 a6 Crafty 19.10 7 00:00 0.30 1. ... fxe5 2. Nxe5 Nxe5 3. Qxe5 Qxe5 4. Rxe5 Rf8 5. f4 Bd7 8 00:01 0.35 1. ... fxe5 2. Nxe5 Qxe5 3. Qxe5 Nxe5 4. Rxe5 Rf8 5. Rfe1 Bd7 6. Kf1 <HT> 9 00:01 0.28 1. ... fxe5 2. Nxe5 Qxe5 3. Qxe5 Nxe5 4. Rxe5 Rf8 5. h4 Bd7 6. Kh2 Rf4 10 00:02 0.52 1. ... fxe5 2. Nxe5 Qxe5 3. Qxe5 Nxe5 4. Rxe5 Rf8 5. f4 Bd7 6. f5 Rae8 7. Kf2 10 00:09 0.44 1. ... Rf8 2. Qf4 h6 3. Qg3 Bd7 4. Qg6 Nxe5 5. Nxe5 fxe5 6. Qh7+ Kf7 7. Bg6+ Kf6 8. Re2 11 00:13 0.43 1. ... Rf8 2. Qf4 Bd7 3. Qh4 h6 4. Qh5 Qd8 5. Bg6 Ne7 6. Nh4 Nxg6 7. Nxg6 11 00:17 0.38 1. ... fxe5 2. Nxe5 Qxe5 3. Qxe5 Nxe5 4. Rxe5 Bd7 5. f4 Rf8 6. Rf3 Rf6 7. Rh3 h6 12 00:25 0.53 1. ... fxe5 2. Nxe5 Nxe5 3. Qg3 Qb6 4. Qxe5 Bd7 5. Qh5 g6 6. Qe2 Qc5 7. Rd1 Rf8 12 01:11 0.50 1. ... Rf8 2. exf6 Rxf6 3. Ng5 h6 4. Nh7 Rf4 5. Qg3 e5 6. Re3 Bg4 7. Bg6 d4 13 02:22 0.40 1. ... Rf8 2. Qf4 Bd7 3. Qg3 f5 4. Re2 Rac8 5. Qh4 Qd8 6. Qf4 Qa5 7. a3 Qc5 14 06:13 0.45 1. ... Rf8 2. Qf4 Bd7 3. Qg3 Rac8 4. Re2 f5 5. Rfe1 Na5 6. Ng5 Nc4 <HT> Ruffian 1.0.5 1 00:00 -0.38 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 1 00:00 -0.25 f5 2 00:00 -0.38 f5 Qg5 3 00:00 -0.25 f5 Qg5 Bd7 4 00:00 -0.29 f5 Qc5 Bd7 Qd6 5 00:00 -0.32 f5 c4 Qa5 cxd5 Qxd5 Ra1 5 00:00 -0.21 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 6 00:00 -0.39 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 Rfe1 6 00:00 -0.29 f5 Rd1 Bd7 c4 Nb4 cxd5 Nxd5 7 00:00 -0.32 f5 c4 Qa5 cxd5 Qxd5 b3 Rd8 Rd1 7 00:00 -0.29 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 Rfe1 Rac8 8 00:00 -0.36 fxe5 Nxe5 Nxe5 Qxe5 Qxe5 Rxe5 Bd7 Rfe1 Rf8 Kf1 8 00:00 -0.27 f5 Rd1 Bd7 Rfe1 Rac8 Qg5 Rf8 Rd2 9 00:01 -0.31 f5 c4 Qa5 cxd5 Qxd5 Ra1 f4 Qe2 Rd8 Rfd1 10 00:03 -0.28 f5 Qg5 Bd7 Qh5 Rf8 Ng5 h6 Nf3 Be8 Qh4 11 00:05 -0.34 f5 c4 Qd7 cxd5 Qxd5 a3 f4 Qe4 Qxe4 Bxe4 Rd8 Rd1 11 00:08 -0.32 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 Rfe1 Rac8 Rh5 g6 Rhe5 12 00:14 -0.33 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 Rfe1 Rf8 c4 Rae8 cxd5 exd5 Re7 Rxe7 Rxe7 13 00:32 -0.33 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 Rfe1 Rf8 c4 Rae8 cxd5 exd5 Re7 Rxe7 Rxe7 14 01:28 -0.31 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 Rfe1 Rac8 f4 g6 Kf2 Rf8 Kg3 Kh8 15 03:54 -0.36 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 Rad8 Rfe1 Rf8 g3 Rf7 Rh5 g6 Rhe5 Aristarch 4.41 2- 00:00 -0.42 fxe5 Nxe5 Nxe5 2 00:00 -0.45 fxe5 Nxe5 Qxe5 3 00:00 -0.45 fxe5 Nxe5 Qxe5 Qxe5 3+ 00:00 -0.44 Qb6 b4 Qxe3 3 00:00 -0.28 Qb6 exf6 Qxb2 4 00:00 -0.44 Qb6 Qd2 fxe5 Nxe5 Qc5 5- 00:00 -0.86 Qb6 exf6 Qxe3 f7+ Kxf7 5 00:00 -1.07 Qb6 exf6 Qxe3 f7+ Kxf7 5+ 00:00 -1.06 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 5+ 00:00 -0.86 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 5 00:00 -0.30 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Rf8 6- 00:00 -0.72 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Rf8 f4 6 00:00 -0.74 fxe5 Nxe5 Qxe5 Qxe5 Nxe5 Rxe5 Bd7 f4 6+ 00:00 -0.73 Qb6 exf6 Qxe3 f7+ Kxf7 fxe3 Kg8 6 00:00 -0.73 Qb6 Qxb6 axb6 exf6 gxf6 a3 e5 Re2 6+ 00:00 -0.72 f5 Qg5 a5 Re2 Qe7 Qxe7 6+ 00:00 -0.52 f5 Qg5 Qe7 Re2 Qxg5 6 00:00 -0.61 f5 Qg5 Qe7 Qh5 Qf7 Qxf7+ Kxf7 Kh1 7 00:00 -0.44 f5 Qg5 Qe7 Qh5 Qf7 Qg5 Bd7 8 00:00 -0.64 f5 Ng5 Qe7 Qf4 Bd7 Qh4 h6 Nf3 9 00:01 -0.62 f5 Re2 Qd8 Qf4 Ne7 Qg5 Bd7 Nd4 Ng6 10 00:02 -0.68 f5 Ng5 Qa5 a3 Qb6 Qe2 Qc7 Nxh7 Qxe5 Qh5 11 00:06 -0.54 f5 Ng5 Qa5 a3 Qb6 Qe2 12 00:15 -0.61 f5 Ng5 Rd8 Qh3 h6 Nf3 13 00:52 -0.57 f5 Ng5 14 02:07 -0.61 f5 Qg5 Qf7 Re2 Qe7 15 04:59 -0.59 f5 Ng5 SmarThink 17a 5 00:00 -0.38 f6e5 f3e5 c6e5 e3e5 c7e5 e1e5 c8d7 f2f4 b7b6 5 00:00 -0.21 f6e5 f3e5 c6e5 e3e5 c7e5 e1e5 c8d7 f2f4 e8f8 6 00:00 -0.22 f6e5 f3e5 c6e5 e3e5 c7e5 e1e5 c8d7 f2f4 e8f8 a2a3 6 00:00 -0.38 f6e5 f3e5 c6e5 e3e5 c7e5 e1e5 c8d7 f2f4 e8f8 g2g3 a7a5 f1e1 7 00:00 -0.39 f6e5 f3e5 c6e5 e3e5 c7e5 e1e5 c8d7 g2g3 e8f8 g1g2 a7a5 f2f4 7 00:00 -0.39 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 g1g2 f8f6 8 00:01 -0.40 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 g1g2 f8f6 f2f4 a8f8 f1e1 8 00:01 -0.51 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f7 g1f2 a8f8 f2e3 8 00:01 -0.50 f6f5 g2g3 b7b6 e1d1 c7e7 a2a4 8 00:01 -0.47 f6f5 f3d4 c6d4 c3d4 c7e7 e1c1 c8d7 c1c7 a8b8 8 00:02 -0.46 c7e7 e5f6 e7f6 f3g5 h7h6 g5f3 b7b6 e1e2 e6e5 8 00:02 -0.46 c7e7 e5f6 e7f6 b2b4 b7b6 b4b5 c6e7 e1e2 9 00:02 -0.47 c7e7 e5f6 e7f6 b2b4 b7b6 b4b5 c6e7 f3e5 9 00:03 -0.54 c7e7 e5f6 g7f6 e1e2 b7b6 h2h3 9 00:03 -0.53 f6f5 f3d4 c6d4 c3d4 c7d7 e1c1 b7b5 f2f4 a7a5 9 00:03 -0.50 f6f5 f3g5 h7h6 g5f3 c7e7 g2g3 c8d7 e1d1 a7a5 a2a3 9 00:04 -0.49 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f7 g1f2 a8f8 f2e3 a7a5 9 00:04 -0.49 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f7 f1e1 f7f6 10 00:06 -0.50 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f7 f1e1 f7f6 a2a3 a8f8 g1g2 10 00:07 -0.51 f6e5 f3e5 c7e5 e3e5 c6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f6 f1e1 a8f8 g1g2 a7a5 a2a4 10 00:10 -0.50 c7e7 e5f6 e7f6 b2b4 a7a6 f3g5 h7h6 d3h7 g8h8 10 00:16 -0.40 c7e7 a2a3 a7a5 e5f6 e7f6 e3g5 c8d7 g5h5 g7g6 h5h6 f6e7 11 00:19 -0.41 c7e7 a2a3 a7a5 e5f6 e7f6 b2b4 a5b4 a3b4 c8d7 b4b5 c6d8 f3g5 11 00:27 -0.43 c7e7 a2a3 a7a5 e5f6 e7f6 b2b4 a5b4 a3b4 c8d7 b4b5 c6a5 f3g5 h7h6 d3h7 g8h8 12 01:18 -0.43 c7e7 e5f6 e7f6 f3e5 c6e5 e3e5 f6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f6 f1e1 a8f8 g1g2 a7a5 13 03:17 -0.43 c7e7 e5f6 e7f6 f3e5 c6e5 e3e5 f6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f6 f1e1 a8f8 g1g2 a7a5 a2a3 14 04:01 -0.44 c7e7 e5f6 e7f6 f3e5 c6e5 e3e5 f6e5 e1e5 c8d7 g2g3 e8f8 f2f4 f8f6 f1e1 a8f8 g1g2 a7a5
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