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Subject: Re: instant mate-in 16

Author: Mark Rawlings

Date: 03:33:15 04/15/05

Go up one level in this thread


All I can say is:  4.83M nps  Wow!!

Mark


On April 14, 2005 at 22:02:40, Mike Byrne wrote:

>this one is neat because it also means that the new edition of Crafty PPC in
>CEBoard will also see mate in about 15 seconds or so.
>
>Black(1): [d]4r1r1/bB4p1/8/2p1kPKn/n7/3R4/3P4/2B5 w -
>White(1):
>White(1): g
>crafty is behind  1.5 on time, reducing by 1/3.
>              time surplus   0.00  time limit 1000:00 (1000:00)
>              depth   time  score   variation (1)
>                6     0.04   0.01   1. Rd5+ Ke4 2. Rd8+ Ke5 3. Rd5+
>                6->   0.05   0.01   1. Rd5+ Ke4 2. Rd8+ Ke5 3. Rd5+
>                7     0.10     +1   1. Rd5+!!
>                7     0.11     +3   1. Rd5+!!
>                7     0.11     +M   1. Rd5+!!
>                7     0.14  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>                7->   0.18  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>                8     0.29  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>                8->   0.30  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>                9     0.52  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>                9->   0.58  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>               10     1.05  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>               10->   1.10  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>               11     2.11  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>               11->   2.19  Mat16   1. Rd5+ Ke4 2. Rd7+ Ke5 3. Ba3 c4 4.
>                                    Bd6+ Kd4 5. Bf8+ Ke5 6. Rd5+ Ke4 7.
>                                    Rd8+ Ke5 8. Rxe8+ Kd4 9. Rd8+ Ke5 10.
>                                    Rd5+ Ke4 11. Rd7+ Ke5 12. Bd6+ Kd4
>                                    13. Bb4+ Ke5 14. d4+ cxd3 15. Re7+
>                                    Kd4 16. Re4#
>?              12     2.19   1/28*  1. Rd5+
>White(1): ?
>              time=3.64  cpu=183%  mat=-8  n=17585175  fh=99%  nps=4.83M
>              ext-> chk=1045745 cap=24141 pp=46319 1rep=42454 mate=5671
>              predicted=0  nodes=17585175  evals=25477  50move=0
>              endgame tablebase-> probes=0  hits=0
>              SMP->  split=820  stop=24  data=7/64  cpu=6.68  elap=3.64
>
>mate in 16 moves.
>
>
>White(1): Rd5+
>              time used:   3.64



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