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Subject: Re: NO (I think...) TRACE 1.32 says M18

Author: Mike Byrne

Date: 16:50:38 11/16/04

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On November 16, 2004 at 19:47:23, Mike Byrne wrote:

>
>>
>>CM9_R1 on an AMD 2500 announces Mate in 19 after 0:03 and switches to Mate in 18
>>after 0:06. :-)
>>
>>jm
>
>not quite as impressive, but overall veryhappy with this time
>
>Crafty vClassic 2004 SE PB [Fischer] (2 cpus)
>
>
>Black(1): [d]3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - -
>White(1): st 600
>search time set to 600.00.
>White(1): g
>              clearing hash tables
>              time surplus  29.72  time limit 10:00 (10:00)/(50)
>              time surplus  29.72  time limit 10:00 (10:00)/(50)
>              depth   time  score   variation (1)
>starting thread 1
>                6     0.14   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>                6->   0.16   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+ (s=3)
>                7     0.17   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+ (s=2)
>                7->   0.19   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>                8     0.23   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>                8->   0.25   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>                9     0.47   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>                9->   0.50   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>               10     0.61   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>               10->   0.72   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+ (s=2)
>               11     1.09   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>               11->   1.26   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>               12     1.92   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>               12->   7.69   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+ (s=3)
>               13     9.67   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+ (s=2)
>               13->  11.30   0.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg8 6. Qg6+
>                                    Kh8 7. Qh6+ Kg8 8. Qg6+
>               14    15.03     +1   1. Rxh7+!!
>               14    19.25     +3   1. Rxh7+!!
>               14    24.23     +M   1. Rxh7+!!
>               14    39.17  18.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bg5+ Kg7 6. Qh6+
>                                    Kf7 7. Qf6+ Kg8 8. Qg6+ Kh8 9. Bf6+
>                                    Rxf6 10. exf6 Qxe1+ 11. Kxe1 Nc2+ 12.
>                                    Kf1 Ne3+ 13. fxe3 Rd7 14. Qe8+ Kh7
>                                    15. Qxd7+ Ne7 16. Qxe7+ Kg6 17. Qg7+
>                                    Kh5 18. Qxb7
>               14->  46.22  18.00   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bg5+ Kg7 6. Qh6+
>                                    Kf7 7. Qf6+ Kg8 8. Qg6+ Kh8 9. Bf6+
>                                    Rxf6 10. exf6 Qxe1+ 11. Kxe1 Nc2+ 12.
>                                    Kf1 Ne3+ 13. fxe3 Rd7 14. Qe8+ Kh7
>                                    15. Qxd7+ Ne7 16. Qxe7+ Kg6 17. Qg7+
>                                    Kh5 18. Qxb7 (s=2)
>               15     1:18     +1   1. Rxh7+!!
>               15     1:37     +3   1. Rxh7+!!
>               15     2:02     +M   1. Rxh7+!!
>               15     2:35  Mat18   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bg5+ Kg7 6. Qh6+
>                                    Kf7 7. Qf6+ Kg8 8. Qg6+ Kh8 9. Bf6+
>                                    Rxf6 10. exf6 Qxe1+ 11. Kxe1 Nc2+ 12.
>                                    Kf1 Ne3+ 13. fxe3 Rd7 14. Qe8+ Kh7
>                                    15. Qxd7+ Ne7 16. Qxe7+ Kg6 17. Qg7+
>                                    Kh5 18. Qg5#
>               15->   2:40  Mat18   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bg5+ Kg7 6. Qh6+
>                                    Kf7 7. Qf6+ Kg8 8. Qg6+ Kh8 9. Bf6+
>                                    Rxf6 10. exf6 Qxe1+ 11. Kxe1 Nc2+ 12.
>                                    Kf1 Ne3+ 13. fxe3 Rd7 14. Qe8+ Kh7
>                                    15. Qxd7+ Ne7 16. Qxe7+ Kg6 17. Qg7+
>                                    Kh5 18. Qg5#
>?              16     2:45   1/35*  1. Rxh7+
>White(1): ?
>              time=2:47  cpu=178%  mat=-4  n=218135450  fh=86%  nps=1.30M
>              ext-> chk=18239345 cap=418542 pp=1109988 1rep=3150274 mate=760777
>              predicted=1  nodes=218135450  evals=36925879  50move=0
>              endgame tablebase-> probes=0  hits=0
>              SMP->  split=2775  stop=360  data=6/128  cpu=5:00  elap=2:47
>
>mate in 18 moves.
>
>
>White(1): Rxh7+
>              time used:   2:47
>Black(1):

Since the PPC version is exactly the same engine - you can pretty reasonably
estimate the Crafty running on PDA will take approx 3 hours on a Dell Axim 400.



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