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Subject: How long before your program sees that Nd5+ is not really the best?

Author: Dann Corbit

Date: 01:27:28 04/23/04

[D]r1bq1r2/ppppkpQp/2n2N2/2b5/4P3/1P3N2/PBP3PP/R3KB1n w Q - bm Nxh7;

PFGA: EPD record: 1
              clearing hash tables
              time surplus   0.00  time limit 50:00 (50:00)
              depth   time  score   variation (1)
                6->   0.34   0.01   1. Nd5+ Ke8 2. Nf6+ Ke7 3. Nd5+
                7     0.46   0.01   1. Nd5+ Ke8 2. Nf6+ Ke7 3. Nd5+
                7->   2.32   0.01   1. Nd5+ Ke8 2. Nf6+ Ke7 3. Nd5+
                8     2.52   0.01   1. Nd5+ Ke8 2. Nf6+ Ke7 3. Nd5+
                8->   4.77   0.01   1. Nd5+ Ke8 2. Nf6+ Ke7 3. Nd5+
                9     5.22     +1   1. Nd5+!!
                9     6.25   1.08   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 Rg8 5. Nxc7+ Kf8 6. Nxa8 Qe8
                9->  28.93   1.08   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 Rg8 5. Nxc7+ Kf8 6. Nxa8 Qe8
               10    30.61   0.87   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 Rg8 5. Nxc7+ Kf8 6. Nxa8 Bf6
                                    7. Qd6+ Qe7
               10->  54.69   0.87   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 Rg8 5. Nxc7+ Kf8 6. Nxa8 Bf6
                                    7. Qd6+ Qe7
               11     1:05   0.83   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 f6 5. Nxc7+ Kf7 6. Qh5+ Kg7
                                    7. Qg4+ Kh8 8. Nxa8 Qe8
               11->   3:52   0.83   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 f6 5. Nxc7+ Kf7 6. Qh5+ Kg7
                                    7. Qg4+ Kh8 8. Nxa8 Qe8
               12     4:13   0.86   1. Nd5+ Ke8 2. Bf6 Ne7 3. Bxe7 Bxe7
                                    4. Qe5 f6 5. Nxc7+ Kf7 6. Qd5+ Kg7
                                    7. Nxa8 Bb4+ 8. Nd2 Bc3 9. O-O-O
               12    10:47     +1   1. Nxh7!!
               12    14:52   1.54   1. Nxh7 Bb4+ 2. Nd2 Ke8 3. Nf6+ Ke7
                                    4. Nd5+ Ke8 5. Bf6 Ne7 6. Nxb4 a5 7.
                                    Nd5 Rg8 8. Qxg8+ Nxg8 9. Bxd8 Kxd8
               12->  29:28   1.54   1. Nxh7 Bb4+ 2. Nd2 Ke8 3. Nf6+ Ke7
                                    4. Nd5+ Ke8 5. Bf6 Ne7 6. Nxb4 a5 7.
                                    Nd5 Rg8 8. Qxg8+ Nxg8 9. Bxd8 Kxd8
               13    32:53     +1   1. Nxh7!!
               13    44:35   2.51   1. Nxh7 Bb4+ 2. Nd2 Ke8 3. Nf6+ Ke7
                                    4. Nd5+ Ke8 5. Bf6 Ne7 6. Bxe7 Bxe7
                                    7. Qe5 Rg8 8. Nxc7+ Kf8 9. Nxa8 Qe8
              time=50:00  cpu=94%  mat=-5  n=1466497086  fh=93%  nps=488K
              ext-> chk=90015145 cap=3657675 pp=260660 1rep=6348340 mate=193904
              predicted=0  nodes=1466497086  evals=267693847  50move=0
              endgame tablebase-> probes=0  hits=0

Crafty 19.12 SE finds both solututions! Mike Byrne 15:52:49 04/23/04
Re: How long before your program sees that Nd5+ is not really the best? Rex 11:20:44 04/23/04
Re: How long before your program sees that Nd5+ is not really the best? John Merlino 10:55:31 04/23/04
- Re: How long before your program sees that Nd5+ is not really the best? Dann Corbit 11:21:25 04/23/04
Re: How long before your program sees that Nd5+ is not really the best? Dan Andersson 08:54:00 04/23/04
Re: 01:52 (WJChess) Jeff GAZET 06:22:11 04/23/04
Re: 5 minutes 16 seconds - (Deep Fritz) D.B. Morris 06:02:31 04/23/04
Re: 2 seconds unchanging (Shredder 8) D.B. Morris 05:41:44 04/23/04
Re: How long before your program sees that Nd5+ is not really the best? Omid David Tabibi 05:22:54 04/23/04
4 Seconds Bryan Hofmann 03:17:15 04/23/04
Re: How long before your program sees that Nd5+ is not really the best? José Carlos 02:57:18 04/23/04

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