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Subject: Re: mate-in-18.....Ruffian 1.0.1....only 4 sec..... and ann. mate!

Author: Rob Basham

Date: 10:58:12 03/26/05

Go up one level in this thread


One of my favorites!

P3-850....

thanks!

Rob

On March 25, 2005 at 22:27:35, Mike Byrne wrote:

>Black(1): [d]3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - -
>White(1): g
>              time surplus   0.00  time limit 10:00 (10:00)
>              depth   time  score   variation (1)
>                7->   0.03   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>                8     0.06   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>                8->   0.06   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>                9     0.17   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>                9->   0.19   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               10     0.28   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               10->   0.33   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               11     0.58   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               11->   1.89   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>                                    (s=2)
>               12     2.14   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               12->   2.69   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>                                    (s=2)
>               13     3.36   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               13->   4.03   0.01   1. Rxh7+ Kxh7 2. Qh5+ Kg8 3. Rxg7+
>                                    Kxg7 4. Bh6+ Kh7 5. Bf4+ Kg7 6. Bh6+
>               14     5.67     +1   1. Rxh7+!!
>               14     7.86     +3   1. Rxh7+!!
>               14     9.80     +M   1. Rxh7+!!
>               14    15.73  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.
>                                    Kd2 Rxd3+ 13. Kc1 Rd7 14. Qe8+ Kh7
>                                    15. Qxd7+ Ne7 16. Qxe7+ Kg6 17. Qg7+
>                                    Kh5 18. Qg5#
>               14->  16.98  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.
>                                    Kd2 Rxd3+ 13. Kc1 Rd7 14. Qe8+ Kh7
>                                    15. Qxd7+ Ne7 16. Qxe7+ Kg6 17. Qg7+
>                                    Kh5 18. Qg5#
>?              15    16.98   1/35*  1. Rxh7+
>White(1): ?
>              time=18.72  cpu=196%  mat=-4  n=78036307  fh=89%  nps=4.17M
>              ext-> chk=6269784 cap=119903 pp=187718 1rep=1453561 mate=159535
>              predicted=0  nodes=78036307  evals=7617136  50move=0
>              endgame tablebase-> probes=0  hits=0
>              SMP->  split=1531  stop=191  data=7/64  cpu=36.85  elap=18.72
>
>mate in 18 moves.



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