Author: Kurt Utzinger
Date: 01:49:02 11/30/02
Go up one level in this thread
On November 29, 2002 at 22:47:04, K. Burcham wrote: > >GM Huebner vs Luther > >17...Qxf1 > > [D] 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 17 > >kburcham As can been seen below this position is in general no problem for chess programs. The only exception so far found by me is Tao 5.4: New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Aristarch 4.4 (P4 1.8/32 MB hash) 1...Nxf1 2.cxb5 Kd7 3.Rd1+ Bd5 4.Bxf1 Rhe8+ 5.Be2 -+ (-4.06) Depth: 2/9 00:00:00 -+ (-1.88) Depth: 6/18 00:00:00 214kN 1...Bxc4 2.Qc5+ Qc6 3.Qxc6+ bxc6 4.Bxc4 bxc4 5.Rh1 Rhe8+ 6.Be3 Nf3+ 7.Ke2 -+ (-2.09) Depth: 6/22 00:00:01 391kN -+ (-2.75) Depth: 6/24 00:00:01 514kN 1...Rhe8 2.Qc5+ Qc6 3.Qxc6+ bxc6 4.Rg1 g6 -+ (-2.82) Depth: 6/24 00:00:01 611kN -+ (-1.46) Depth: 9/28 00:00:15 7782kN 1...Nxf1 2.cxb5 -+ (-1.47) Depth: 9/28 00:00:18 9286kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd2 Nc6+ 5.Qd6 Rxd6+ -+ (-1.68) Depth: 9/28 00:00:21 10505kN -+ (-1.99) Depth: 10/28 00:00:35 18582kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Chess Tiger 14.0: [P4 1.8/32 MB hash) 1...Nxf1 2.cxb5 Kd7 3.Rc1 Ke8 4.Rc7 Bd7 5.Bxf1 Qg6 6.Qd4 -+ (-2.26) Depth: 7 00:00:00 144kN µ (-1.38) Depth: 10 00:00:05 1923kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd1 Nc6+ 5.Qd2 Rxd2+ 6.Bxd2 Bxc4 7.Bxc4 bxc4 8.Bc3 Rd8+ 9.Ke2 -+ (-1.62) Depth: 10 00:00:07 2604kN -+ (-1.60) Depth: 12 00:00:32 10661kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Comet B50: 1...Nxf1 2.cxb5 Qxf2+ 3.Kxf2 Bxh3 -+ (-2.67) Depth: 4/24 00:00:00 -+ (-2.45) Depth: 6/29 00:00:01 708kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd1 bxc4 5.Qc5+ Kd7 -+ (-2.59) Depth: 6/32 00:00:04 1870kN -+ (-2.59) Depth: 7/32 00:00:05 2404kN 1...Bxc4 2.Qc5+ Qc6 3.Qf5+ Be6 4.Qe5 Rd7 -+ (-2.67) Depth: 7/32 00:00:11 5360kN -+ (-2.53) Depth: 8/32 00:00:15 7178kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd1 Nc6+ 5.Ke2 Nxb4 6.cxb5 -+ (-2.59) Depth: 8/32 00:00:15 7506kN -+ (-2.59) Depth: 8/32 00:00:15 7506kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Doctor? 3.0: [P3 1.8/32 MB hash] 1...Nxf1 2.Bxf1 Qe4+ 3.Be3 bxc4 4.Qc5+ Kb8 5.Qxa7+ Kc7 -+ (-3.52) Depth: 0/9 00:00:00 -+ (-3.52) Depth: 4/12 00:00:00 1...Bxh3 2.Qc5+ Qc6 3.Qxc6+ bxc6 4.Bxh2 Bxf1 5.Kxf1 µ (-1.13) Depth: 4/13 00:00:00 1...b6 2.Bxh2 Qxh2 3.cxb5 Bxh3 4.Rc1+ Kb8 -+ (-1.48) Depth: 4/14 00:00:00 1...Nxf1 2.cxb5 Ne3 3.Qc5+ Kd7 4.Qxe3 Qh1+ 5.Bf1 -+ (-3.52) Depth: 4/14 00:00:00 -+ (-2.03) Depth: 7/15 00:00:00 42kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd2 Nc6+ 5.Qd6 Rxd6+ 6.Bxd6 bxc4 7.Bg2 Rd8 -+ (-2.49) Depth: 7/15 00:00:00 43kN -+ (-2.44) Depth: 9/19 00:00:00 95kN 1...Bxc4 2.Qc5+ Qc6 3.Qxc6+ bxc6 4.Rg1 g6 5.Rc1 Bxe2 6.Rxc6+ Kb7 7.Rc7+ Kb6 8.Bxh2 Rd1+ 9.Kxe2 Rxg1 10.Rxf7 -+ (-2.64) Depth: 10/21 00:00:01 175kN -+ (-2.16) Depth: 17/28 00:00:46 6448kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd3 Nc6+ 5.Qd6 Rxd6+ 6.Bxd6 bxc4+ 7.Kc3 Kd7 8.Rd1 -+ (-2.52) Depth: 17/28 00:00:53 7631kN -+ (-2.52) Depth: 17/28 00:00:53 7631kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by EXchess 3.11: [P4 1.8/32 MB hash] 1...Nxf1 2.cxb5 Kd7 3.Bxf1 Qf3 4.Be5 -+ (-3.71) Depth: 1 00:00:00 -+ (-2.44) Depth: 6 00:00:01 248kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd1 Nc6+ 5.Qd2 Rxd2+ 6.Bxd2 -+ (-2.52) Depth: 6 00:00:01 262kN -+ (-2.75) Depth: 10 00:00:11 4932kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Hagrid 0.7.56: [P4 1.8/32 MB hash] 1...Nxf1 2.cxb5 Bxa2 3.Rc1+ Kd7 4.Rc7+ Ke6 5.Qe7+ Kd5 6.Bxf1 -+ (-3.36) Depth: 1/1 00:00:00 -+ (-3.28) Depth: 6/14 00:00:00 184kN 1...Rhe8 2.Bxh2 Qxh2 3.Qxb5 Bxh3 4.Qc5+ Kb8 5.Qh5 f6 -+ (-3.29) Depth: 6/14 00:00:01 260kN -+ (-3.45) Depth: 7/14 00:00:04 489kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd1 Nc6+ 5.Qd2 Rxd2+ 6.Bxd2 Bxc4 7.Bg2 Rd8 8.Ke1 Nd4 -+ (-3.40) Depth: 8/20 00:00:11 2408kN -+ (-3.56) Depth: 10/22 00:00:37 17289kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Junior 6.0: (P4 1.8/32 MB hash) 1...bxc4 2.Qc5+ Qc6 3.Qxc6+ bxc6 4.Bxh2 ± (1.04) Depth: 3 00:00:00 1...Nxf1 2.cxb5 Rd7 3.Bxf1 Qf3 4.Rc1+ Kd8 5.Bc7+ Ke8 6.Qc5 -+ (-2.77) Depth: 3 00:00:00 1kN µ (-1.17) Depth: 6 00:00:00 171kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd1 Nc6+ 5.Qd2 Rxd2+ 6.Kxd2 Rd8+ 7.Kc3 Bxc4 8.a3 Bxf1 9.Rxf1 Rd4 10.Be3 Re4 µ (-1.22) Depth: 6 00:00:00 193kN -+ (-1.42) Depth: 14 00:00:18 17667kN (Utzinger, MyTown 30.11.2002) ******************************************************************************************** New game 2kr3r/pp3ppp/4b3/1p6/1QP2B2/7P/PP2BPqn/R3KR2 b - - 0 1 Analysis by Tao 5.4: [P4 1.8/32 MB hash) 1...Nxf1 2.cxb5 Kd7 3.Bxf1 Qf3 4.Rd1+ Ke8 5.Rxd8+ Kxd8 6.Qd4+ Kc8 7.Qxg7 -+ (-3.33) Depth: 1/2 00:00:00 -+ (-1.42) Depth: 7/14 00:00:03 996kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd2 Nc6+ 5.Qd6 Rxd6+ 6.Bxd6 bxc4 7.Rd1 Rd8 8.Ke3 -+ (-1.42) Depth: 7/14 00:00:03 1075kN -+ (-1.61) Depth: 8/16 00:00:08 2539kN 1...Bxc4 2.Qc5+ Qc6 3.Qf5+ Be6 4.Qe5 f6 5.Qb8+ Kd7 6.Rd1+ Ke7 7.Rxd8 Rxd8 -+ (-1.61) Depth: 8/16 00:00:11 3739kN -+ (-1.70) Depth: 8/16 00:00:13 4375kN 1...Rhe8 2.Qc5+ Qc6 3.Qxc6+ bxc6 4.Rh1 Nf3+ 5.Bxf3 Bg4+ 6.Be3 Bxf3 7.Rg1 g6 8.cxb5 cxb5 -+ (-1.70) Depth: 8/16 00:00:18 6203kN µ (-1.38) Depth: 9/18 00:00:25 8565kN 1...Qxf1+ 2.Bxf1 Nf3+ 3.Ke2 Nd4+ 4.Kd3 Nc6+ 5.Qd6 Rxd6+ 6.Bxd6 bxc4+ 7.Kc3 Rd8 8.Rd1 f6 9.Bg2 µ (-1.38) Depth: 9/18 00:00:26 8933kN -+ (-1.47) Depth: 9/18 00:00:32 11378kN 1...Nxf1 2.cxb5 Rd7 3.Bxf1 Qf3 4.Rc1+ Kd8 5.Be3 Re8 6.Qc3 Qe4 7.Qc8+ Ke7 8.Qc5+ Kf6 9.Qxa7 -+ (-1.47) Depth: 9/18 00:01:21 25988kN -+ (-1.86) Depth: 11/22 00:07:44 149987kN (Utzinger, MyTown 30.11.2002) ********************************************************************************************
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