Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Mate in 15 "CCC-I No.7" -- 4 SECONDS!

Author: Slater Wold

Date: 04:41:29 07/19/02

Go up one level in this thread


On July 19, 2002 at 03:15:25, Mike Byrne wrote:

>Modified Crafty 17.14 w/ "booster 120 120 0" settings - "booster" is a new
>option addeed to modified Crafty 17.14 that extends the extensions further.
>Final testing still underway.  Modified Crafty will be available by email
>(mfbyrne_pa@msn.com) and it will be emailed to everyone who requests it upon
>completion of final testing.
>
>Although nodified Crafty 17.14  can sparkle on some of these "position tests" -
>game play has been disappointing so far - thus the delay in the release.  Sorry.
>
>
> clearing hash tables
>              time surplus  29.72  time limit 10:00 (10:00)
>         nss  depth   time  score   variation (1)
>                7     0.78     --   1. Rh3+
>                7     2.49  -5.87   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
>                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
>                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
>                                    10. Rxg7 Rxg7 11. Bd3 c1=Q 12. Nxg7
>                7->   2.66  -5.87   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
>                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
>                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
>                                    10. Rxg7 Rxg7 11. Bd3 c1=Q 12. Nxg7
>                8     2.67     ++   1. Rh3+!!
>                8     3.31  -4.45   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
>                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
>                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
>                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
>                                    Kf4 13. Nxg7 Rxg4+ 14. Nxg4 cxb1=Q
>                8->   3.58  -4.45   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
>                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
>                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
>                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
>                                    Kf4 13. Nxg7 Rxg4+ 14. Nxg4 cxb1=Q
>                9     3.58     ++   1. Rh3+!!
>                9     4.28  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
>                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
>                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
>                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
>                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
>                9->   4.67  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
>                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
>                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
>                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
>                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
>              time=4.67  cpu=194%  mat=-8  n=5538268  fh=94%  nps=1185924
>              ext-> checks=357729 recaps=17071 pawns=2188
>              ext->  1rep=39539 thrt:1583 boos:0
>              predicted=1  nodes=5538268  evals=575990
>              endgame tablebase-> probes done=0  successful=0
>              SMP->  split=626  stop=48  data=9/64  cpu=9.09  elap=4.67

Crafty 18.15 on a dual AMD 1.73Ghz:

White(1): setboard 3b4/p3P1q1/P1n2pr1/4p3/2B1n1Pk/1P1R4/P1p3KN/1N6 w - -
White(1): go
              clearing hash tables
              time surplus   0.00  time limit 1:00 (1:00)
         nss  depth   time  score   variation (1)
starting thread 1
                5     0.11  -8.09   1. Rh3+ Kg5 2. Nc3 Nd6 3. Nd5 Rh6 4.
                                    exd8=Q Nxd8
                5->   0.14  -8.09   1. Rh3+ Kg5 2. Nc3 Nd6 3. Nd5 Rh6 4.
                                    exd8=Q Nxd8
                6     0.16     ++   1. Rh3+!!
                6->   0.33  -7.70   1. Rh3+ Kg5 2. Nc3 Nd6 3. Nd5 Rh6 4.
                                    exd8=Q Nxd8
                7     0.36     ++   1. Rh3+!!
                7     0.64  -6.18   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. exd8=Q+
                                    Nxd8 10. Rxg7 Rxg7
                7->   0.73  -6.18   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. exd8=Q+
                                    Nxd8 10. Rxg7 Rxg7
                8     1.16     --   1. Rh3+
                8     2.67  -7.16   1. Rh3+ Kg5 2. exd8=Q Nxd8 3. Nc3 Nxc3
                                    4. Rxc3 Rh6 5. Bd3 Rxh2+ 6. Kxh2 Qh6+
                                    7. Kg3
                8->   3.03  -7.16   1. Rh3+ Kg5 2. exd8=Q Nxd8 3. Nc3 Nxc3
                                    4. Rxc3 Rh6 5. Bd3 Rxh2+ 6. Kxh2 Qh6+
                                    7. Kg3
                9     3.27     ++   1. Rh3+!!
                9     4.50  -6.45   1. Rh3+ Kg5 2. exd8=Q Nxd8 3. Nc3 Nxc3
                                    4. Rxc3 Rh6 5. Bd3 Qh8 6. Nf3+ Kxg4
                                    7. Rxc2
                9->   5.05  -6.45   1. Rh3+ Kg5 2. exd8=Q Nxd8 3. Nc3 Nxc3
                                    4. Rxc3 Rh6 5. Bd3 Qh8 6. Nf3+ Kxg4
                                    7. Rxc2
               10     9.64  -6.41   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rxg7 cxb1=Q 11. Rxg6 Qxa2+ 12.
                                    Kh3 Qf2
               10->  10.94  -6.41   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rxg7 cxb1=Q 11. Rxg6 Qxa2+ 12.
                                    Kh3 Qf2
               11    11.03     ++   1. Rh3+!!
               11    13.22  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
               11->  14.02  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
               12    17.33  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
               12->  19.03  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
               13    27.56  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
               13->  31.36  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
               14    57.66  Mat15   1. Rh3+ Kg5 2. Rh5+ Kf4 3. Rf5+ Ke3
                                    4. Rf3+ Kd4 5. Rd3+ Kc5 6. Rd5+ Kb6
                                    7. Rb5+ Kc7 8. Rb7+ Kd6 9. e8=N+ Kc5
                                    10. Rb5+ Kd4 11. Rd5+ Ke3 12. Rd3+
                                    Kf4 13. Rf3+ Kg5 14. Rf5+ Kh4 15. Rh5#
              time=1:00  cpu=400%  mat=-8  n=100053113  fh=97%  nps=1663k
              ext-> chk=7252252 cap=203319 pp=32640 1rep=504406 mate=39855
              predicted=0  nodes=100053113  evals=3317241
              endgame tablebase-> probes done=0  successful=0
              SMP->  split=1187  stop=82  data=8/32  cpu=4:00  elap=1:00

mate in 15 moves.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.