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Subject: Re: How long for your program to find Be7?

Author: Omid David Tabibi

Date: 18:04:10 10/16/04

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On October 16, 2004 at 16:07:39, Dann Corbit wrote:

>[D]1r3rk1/5ppp/p1Q1bb2/4p3/2p1P3/2N5/PPPqBPPP/1R3RK1 b - - bm Be7;

Quite a tough nut to crack. Falcon fails high on Be7 after 14 minutes (I didn't
wait for the fail high to be resolved):

Falcon 2.5.2.11 on AMD Athlon(tm) 64 Processor 3200+, 1999MHz, 1024MB:
depth     time    nodes   nps  score  variation
 3/16     0.01       0k   50k  -0.01  1...d2c2 1.e2c4 e6c4 2.c6c4 b8b2
                                      3.b1b2 c2b2
 4/16     0.03       4k  131k   0.20  1...d2c2 1.f1c1 c2d2 2.c1d1
 5/17     0.03       5k  179k  -0.10  1...d2c2--
 5/17     0.03      10k  337k  -0.41  1...d2c2 1.c6a6 b8b2 2.b1c1 c2d2
                                      3.e2c4
 6/20     0.05      17k  368k  -0.41  1...d2c2 1.c6a6 b8b2 2.b1c1 c2d2
                                      3.e2c4
 7/20     0.08      28k  361k  -0.49  1...d2c2 1.c6a6 b8b2 2.b1c1 c2d2
                                      3.e2c4 e6g4
 8/20     0.17      76k  445k  -0.46  1...d2c2 1.c6a6 b8b2 2.b1c1 c2d2
                                      3.e2c4 e6c4 4.a6c4 d2f4
 9/20     0.30     146k  492k  -0.65  1...d2c2 1.f1c1 c2d2 2.c1d1 d2f4
                                      3.g2g3 f4h6 4.c6a6 f8c8
10/20     0.56     279k  497k  -0.75  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f8c8 4.d1c1 c2d2 5.c1d1
11/22     1.14     596k  523k  -0.73  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f8c8 4.a6a3 f6g5 5.a3d6 g5f4
12/25     2.31    1235k  534k  -0.70  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f8c8 4.a6a3 f6g5 5.a3d6 g5f4
                                      6.d6e7
13/26     4.06    2235k  550k  -0.69  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f8c8 4.a6a3 f6g5 5.a3d6 g5f4
                                      6.d6e7 c8e8
14/28     8.64    4865k  563k  -0.68  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f8c8 4.a6a3 f6g5 5.a3d6 b8b2
                                      6.b1b2 c2b2 7.d6e5 g5f4 8.e5f4 b2c3
15/30    19.73   11292k  572k  -0.78  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f6g5 4.e2c4 b8b2 5.b1b2 c2b2
                                      6.c3d5 b2c2 7.d1e1 f8c8 8.c4b5
16/37    62.63   35767k  571k  -0.67  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f6g5 4.e2c4 b8b2 5.b1b2 c2b2
                                      6.c3d5 b2c2 7.d1e1 f8c8 8.c4d3 c2c5
17/52   130.64   75196k  575k  -0.69  1...d2c2 1.f1c1 c2d2 2.c1d1 d2c2
                                      3.c6a6 f8c8 4.d1d6 b8b2 5.b1b2 c2b2
                                      6.d6e6 c8d8 7.e6c6 b2c3 8.e2f1 d8d2
                                      9.a6c4 c3c4 10.f1c4
18/52   315.89  182628k  578k  -0.72  1...d2c2 1.f1c1 c2d2 2.c1d1 d2g5
                                      3.c3d5 f8c8 4.c6a6 e6d5 5.e4d5 e5e4
                                      6.a6a3 f6e5 7.a3h3 f7f5 8.b2b3 c4c3
                                      9.h3h5 g5h5 10.e2h5
18/58   844.05  485144k  574k  -0.71  1...f6e7++





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