Author: Dieter Buerssner
Date: 15:26:24 07/14/03
Go up one level in this thread
On July 13, 2003 at 23:15:50, Dan Andersson wrote:
>1r4k1/1q3pp1/r3b2p/p2N4/3R4/QP3P2/2P3PP/1K1R4 w - -
>White has a nice one here. How does your favourite engines fare?
After the many very impressive analysis of other engines, one more modest
solution time. Yace on P4, 2.53 GHz needs almost 10 minutes:
58969846 1:17.5 0.85 11t 1.Nf4 Bf5 2.g4 a4 3.b4 Bd7 4.Kc1 Qc7 5.Nd5 Qe5
6.Qd3 {70}
71698212 1:37.9 0.86 11t+ 1.g4 Bxd5 2.Rxd5 a4 3.Rd8+ Rxd8 4.Rxd8+ Kh7
5.b4 Rf6 6.Qd3+ g6 7.Qe4 Qc7 8.Qd4 a3 9.Rh8+
Kg7 {80}
79297316 1:48.1 0.87 11t 1.g4 Bxd5 2.Rxd5 a4 3.Rd8+ Kh7H 4.R1d7H Qb5H
5.Rxb8H Qxd7H 6.Qxa4H Rxa4H 7.bxa4H {HT} {-341}
114440591 2:33.0 0.88 11t+ 1.Qa4 Rc8 2.R4d2 Bxd5 3.Rxd5 Qc7 4.R1d2H Qc3H
5.Qd7H a4H 6.Qxc8+H Kh7H {HT} {580}
114699535 2:33.3 0.88 11t 1.Qa4 Rc8 2.R4d2 Rac6H 3.Qe4H f5H 4.Qd4H Kh7H
5.Nf4H Bf7H 6.Qd7H {70}
162930653 3:36.5 0.88 11. 1.Qa4 Rc8 2.R4d2 Rac6 3.Qe4 f5 4.Qd4 Kh7 5.Nf4
Bf7 6.Qd7 {70}
206264820 4:32.8 0.77 12t 1.Qa4 Rc8 2.R4d2 Rac6 3.Qe4 f5 4.Qd4 Rc5 5.Nf4
Bf7 6.Qd6 Rc3 {70}
324266575 7:09.9 0.78 12t+ 1.Kc1 Kh7 2.g4 Rc6 3.Kb1 Qb5 4.Nf4 Bc4 5.Rd8
Bxb3 6.cxb3 g6 {340}
375827193 8:21.2 0.82 12t 1.Kc1 Kh7 2.Qa4 Rc6 3.Rc4 Rxc4 4.Qxc4 Bf5 5.Ne3
Be6 6.Qd4 Rc8 7.Kb1 {70}
421564633 9:23.5 0.83 12t+ 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.g4 Bxg4 6.fxg4 f5 7.gxf5+ Kxf5 8.Qc5+ Kg4
9.Rd4+ Kf3 10.Rd3+ Kg2 11.Rd2+ Kf1 12.Qf5+ Kg1
13.Qg4+ Qg2 14.Rxg2+ Kf1 {1001}
433957218 9:39.3 1.28 12++ 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.Qg8+ Kh5 6.Rd4 Rb6 7.Qg7 Rxb3+ 8.Kc1 Rb1+
9.Kd2 Qb5 10.g4+ Bxg4 11.fxg4+ Kh4 12.Qxh6+ Qh5
13.gxh5+ Kh3 {1001}
459210491 10:11.0 1.96 12t 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.Qg8+ Kh5 6.Rd4 Qb5 7.g3 Qf1+ 8.Kb2 Qh3 9.Rh4+
Qxh4 10.gxh4 Kxh4 11.c4 {151}
462157420 10:14.6 1.96 12. 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.Qg8+ Kh5 6.Rd4 Qb5 7.g3 Qf1+ 8.Kb2 Qh3 9.Rh4+
Qxh4 10.gxh4 Kxh4 11.c4 {151}
491881360 10:52.3 2.36 13++ 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.Qg8+ Kh5 6.Qg7 f5 7.Rd4 Bc8 8.g3 f4 9.Rxf4
Qxf3 10.Rxf3 Rd6 {731}
609796435 13:17.7 2.93 13t 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.Qg8+ Kh5 6.Qg7 f5 7.Rd4 Bc8 8.g3 Qe7 9.Rh4+
Qxh4 10.Qxf7+ Rg6 11.gxh4 Be6 12.Qe7 {311}
649624352 14:09.2 2.93 13. 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.Qg8+ Kh5 6.Qg7 f5 7.Rd4 Bc8 8.g3 Qe7 9.Rh4+
Qxh4 10.Qxf7+ Rg6 11.gxh4 Be6 12.Qe7 {311}
732593832 15:51.0 3.33 14++ 1.Nf6+ gxf6 2.Rd8+ Rxd8 3.Rxd8+ Kg7 4.Qf8+ Kg6
5.g4 f5 6.Qg8+ Kf6 7.Qh8+ Ke7 8.Qf8+ Kf6
9.Qxh6+ Ke7 10.Qf8+ Kf6 11.g5+ Ke5 12.Qg7+ Kf4
13.Qd4+ Kxf3 14.Qc3+ Kf4 15.Qg3+ Ke4 16.Qg2+
Ke3 17.Qxb7 Bd5 18.Rxd5 Kf2 {1081}
Regards,
Dieter
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