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Subject: Re: Can your program avoid BxN?

Author: Dann Corbit

Date: 17:01:48 07/25/01

Go up one level in this thread


ExChess also likes Bxc3
--------------------*** jtw.epd ***--------------------


White to Move  Book Move(s): Bxc3
  Test Position:
  1.   1.75     0   136049   1. Bxc3 bxc3 2. Kxc3
  1.   1.75     0   136067   1. Bxc3 bxc3 2. Kxc3
  2.   ++       0   136103   1. Bxc3
  2.   1.75     0   136118   1. Bxc3 bxc3 2. Kxc3
  2.   1.75     0   136136   1. Bxc3 bxc3 2. Kxc3
  3.   1.75     0   136206   1. Bxc3 bxc3 2. Kxc3
  3.   1.75     0   136224   1. Bxc3 bxc3 2. Kxc3
  4.   --
  4.   1.18     0   136325   1. Bxc3 bxc3 2. Kxc3 a5
  4.   1.18     0   136343   1. Bxc3 bxc3 2. Kxc3 a5
  5.   1.29     0   136486   1. Bxc3 bxc3 2. Kxc3 a5 3. g5
  5.   1.29     0   136504   1. Bxc3 bxc3 2. Kxc3 a5 3. g5
  6.   --
  6.   ++       0   137033   1. Bxc3
  6.   1.04     0   137502   1. Bxc3 bxc3 2. Kxc3 a5 3. Kb3 g5
  6.   1.04     0   137520   1. Bxc3 bxc3 2. Kxc3 a5 3. Kb3 g5
  7.   1.12     0   138296   1. Bxc3 bxc3 2. Kxc3 a5 3. Kb3 h5 4. g5 hxg4
  7.   1.12     0   138314   1. Bxc3 bxc3 2. Kxc3 a5 3. Kb3 h5 4. g5 hxg4
  8.   1.02     0   141324   1. Bxc3 bxc3 2. Kxc3 Kf6 3. Kd4 a5 4. g5+ Kxg5 5.
Kc3
  8.   1.02     0   141342   1. Bxc3 bxc3 2. Kxc3 Kf6 3. Kd4 a5 4. g5+ Kxg5 5.
Kc3
  9.   1.10     0   147069   1. Bxc3 bxc3 2. Kxc3 Kf6 3. h4 a5 4. Kb3 Ke5 5. Ka4
Kxe4 6. Kxa5
  9.   1.10     0   147087   1. Bxc3 bxc3 2. Kxc3 Kf6 3. h4 a5 4. Kb3 Ke5 5. Ka4
Kxe4 6. Kxa5
 10.   0.98     0   172911   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 a5 4. Kc5 Ke5 5.
Kb5 g5
 10.   0.98     0   199523   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 a5 4. Kc5 Ke5 5.
Kb5 g5
 11.   0.98     0   245142   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 a5 4. Kc5 Ke5 5.
Kb5 g5
 11.   0.98     0   279165   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 a5 4. Kc5 Ke5 5.
Kb5 g5
 12.   0.87     0   445675   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 g5 4. h3 a5 5. Kc4
a4 6. Kb4 Ke5 7. Kxa4 Kxe4
 12.   0.87     1   541199   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 g5 4. h3 a5 5. Kc4
a4 6. Kb4 Ke5 7. Kxa4 Kxe4
 13.   0.98     1   779293   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 g5 4. Kc4 a5 5. Kb5
Ke5 6. h4 Kxe4 7. Kxa5
 13.   0.98     1   838704   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 g5 4. Kc4 a5 5. Kb5
Ke5 6. h4 Kxe4 7. Kxa5
 14.   0.99     3  1351836   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 h6 4. h4 a5 5. Kc4
Ke5 6. Kb5 Kxe4 7. Kxa5 h5
 14.   0.99     3  1482457   1. Bxc3 bxc3 2. Kxc3 Ke6 3. Kd4 h6 4. h4 a5 5. Kc4
Ke5 6. Kb5 Kxe4 7. Kxa5 h5
 15.   --
 15.   ++       9  3678739   1. Bxc3
 15.   0.82     9  3868688   1. Bxc3 bxc3 2. Kxc3 h6 3. e5 Ke6 4. Kd4 a5 5. h3
a4
 15.   0.82    11  4498312   1. Bxc3 bxc3 2. Kxc3 h6 3. e5 Ke6 4. Kd4 a5 5. h3
a4
 16.   0.72    16  6396972   1. Bxc3 bxc3 2. Kxc3 h6 3. e5 Ke6 4. Kd4 a5 5. h3
h5 6. gxh5 gxh5 7. Ke4 Ke7 8. g4 h4
 16.   0.72    20  7766420   1. Bxc3 bxc3 2. Kxc3 h6 3. e5 Ke6 4. Kd4 a5 5. h3
h5 6. gxh5 gxh5 7. Ke4 Ke7 8. g4 h4
 17.   --
 17.   0.19    48 16580359   1. Bxc3 bxc3 2. Kxc3 a5 3. h4 Ke6 4. Kd4 h5 5. g5
Kd6 6. e5+ Ke6 7. Ke4 a4 8. Kd4 a3 9. Kc3 Kf5
 17.   0.19   100 31406304   1. Bxc3 bxc3 2. Kxc3 a5 3. h4 Ke6 4. Kd4 h5 5. g5
Kd6 6. e5+ Ke6 7. Ke4 a4 8. Kd4 a3 9. Kc3 Kf5
 18.   0.09   152 43044092   1. Bxc3 bxc3 2. Kxc3 a5 3. h4 Kf6 4. h5 gxh5 5.
gxh5 Ke5 6. Kd3 h6 7. g4 a4 8. Kc3 Kxe4 9. Kb4 Kf3 10. Kxa4 Kxg
4

node_count = 104354577 quiescent nodes = 7156949 eval_count = 44665733
hash hits = 25132683 hash moves = 2049672 pawn hash hits = 42235135
node_rate = 260886 null cuts = 6676698 exten = 5876433 int_iter = 113
egtb_probes = 218547 egtb_hits = 218547 fail_high(%) = 82



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