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Subject: Re: Is Crafty broke?!

Author: Slater Wold

Date: 16:28:31 09/24/01

Go up one level in this thread


On September 24, 2001 at 19:10:43, Dann Corbit wrote:

>There is no problem with crafty.
>It's a problem with the counters.
>
>The biggest number a long can hold is about 2 billion.
>
>That overflows very easily.
>
>If you let crafty run for more than a few minutes, the NPS figures have no
>meaning.  You used to be able to get negative values, but I think at least that
>has been fixed.

Compare:

starting thread 1
         (2)    7->   0.19  -0.01   1. Nf3 Na5 2. Bd3 c4 3. Be4 b5 4. Ra1
                8     0.23   0.04   1. Nf3 Na5 2. Bd3 c4 3. Be4 b5 4. Bxb7
                                    Qxb7 5. Ra1
         (3)    8->   0.45   0.04   1. Nf3 Na5 2. Bd3 c4 3. Be4 b5 4. Bxb7
                                    Qxb7 5. Ra1
         (2)    9     0.66  -0.06   1. Nf3 Na5 2. Bd3 b5 3. axb5 c4 4.
                                    Be4 Bxe4 5. Qxe4 axb5
         (3)    9->   1.33  -0.06   1. Nf3 Na5 2. Bd3 b5 3. axb5 c4 4.
                                    Be4 Bxe4 5. Qxe4 axb5
         (2)   10     2.14  -0.09   1. Nf3 g5 2. Bg3 h5 3. h4 g4 4. Ng5
                                    Na5 5. Bf4 Nxc4 6. Qxc4
         (2)   10->   3.97  -0.09   1. Nf3 g5 2. Bg3 h5 3. h4 g4 4. Ng5
                                    Na5 5. Bf4 Nxc4 6. Qxc4
               11     5.30   0.00   1. Nf3 g5 2. Bg3 Na5 3. Bd3 Qc6 4.
                                    b3 c4 5. Bxc4 g4 6. Ne1 Nxc4 7. bxc4
         (3)   11->   9.25   0.00   1. Nf3 g5 2. Bg3 Na5 3. Bd3 Qc6 4.
                                    b3 c4 5. Bxc4 g4 6. Ne1 Nxc4 7. bxc4
         (2)   12    11.61  -0.17   1. Nf3 g5 2. Bg3 Na5 3. Bd3 h5 4. h4
                                    g4 5. Ne1 c4 6. Be4 Bxe4 7. Qxe4
         (4)   12->  22.39  -0.17   1. Nf3 g5 2. Bg3 Na5 3. Bd3 h5 4. h4
                                    g4 5. Ne1 c4 6. Be4 Bxe4 7. Qxe4
         (3)   13    29.91  -0.16   1. Nf3 g5 2. Bg3 h5 3. Bd3 c4 4. Nxg5
                                    Bxg5 5. Qxh5 cxd3 6. Qxg5+ Kh7 7. Qh5+
                                    Kg7 8. Rxd3
         (4)   13->   2:42  -0.16   1. Nf3 g5 2. Bg3 h5 3. Bd3 c4 4. Nxg5
                                    Bxg5 5. Qxh5 cxd3 6. Qxg5+ Kh7 7. Qh5+
                                    Kg7 8. Rxd3
         (3)   14     3:02  -0.12   1. Nf3 g5 2. Bg3 Na5 3. Bd3 Qc6 4.
                                    b3 c4 5. Bxc4 Nxc4 6. Qxc4 Qxc4 7.
                                    bxc4 Bc6 8. Rb1 Bxa4 9. Rxb6
               14     4:02   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
         (3)   14->   4:21   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
         (2)   15     5:33   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
         (2)   15->   7:18   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
               16    10:00   0.30   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Rb8 9. g3+
                                    Ke4 10. Qe2+ Kf5 11. f4 Nf3+ 12. Kf2
                                    Be4 13. Qxa6
         (2)   16->  13:40   0.30   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Rb8 9. g3+
                                    Ke4 10. Qe2+ Kf5 11. f4 Nf3+ 12. Kf2
                                    Be4 13. Qxa6
               17    15:13     ++   1. Nxf7!!

vs.

              time surplus   0.00  time limit 210:00 (210:00)
         nss  depth   time  score   variation (1)
         (2)    7->   0.20  -0.01   1. Nf3 Na5 2. Bd3 c4 3. Be4 b5 4. Ra1
                8     0.25   0.04   1. Nf3 Na5 2. Bd3 c4 3. Be4 b5 4. Bxb7
                                    Qxb7 5. Ra1
         (3)    8->   0.46   0.04   1. Nf3 Na5 2. Bd3 c4 3. Be4 b5 4. Bxb7
                                    Qxb7 5. Ra1
         (2)    9     0.67  -0.06   1. Nf3 Na5 2. Bd3 b5 3. axb5 c4 4.
                                    Be4 Bxe4 5. Qxe4 axb5
         (3)    9->   1.39  -0.06   1. Nf3 Na5 2. Bd3 b5 3. axb5 c4 4.
                                    Be4 Bxe4 5. Qxe4 axb5
         (2)   10     2.21  -0.09   1. Nf3 g5 2. Bg3 h5 3. h4 g4 4. Ng5
                                    Na5 5. Bf4 Nxc4 6. Qxc4
         (2)   10->   4.11  -0.09   1. Nf3 g5 2. Bg3 h5 3. h4 g4 4. Ng5
                                    Na5 5. Bf4 Nxc4 6. Qxc4
               11     5.12   0.00   1. Nf3 g5 2. Bg3 Na5 3. Bd3 Qc6 4.
                                    b3 c4 5. Bxc4 g4 6. Ne1 Nxc4 7. bxc4
         (3)   11->   9.25   0.00   1. Nf3 g5 2. Bg3 Na5 3. Bd3 Qc6 4.
                                    b3 c4 5. Bxc4 g4 6. Ne1 Nxc4 7. bxc4
         (2)   12    11.68  -0.17   1. Nf3 g5 2. Bg3 Na5 3. Bd3 h5 4. h4
                                    g4 5. Ne1 c4 6. Be4 Bxe4 7. Qxe4
         (4)   12->  22.28  -0.17   1. Nf3 g5 2. Bg3 Na5 3. Bd3 h5 4. h4
                                    g4 5. Ne1 c4 6. Be4 Bxe4 7. Qxe4
         (3)   13    30.03  -0.16   1. Nf3 g5 2. Bg3 h5 3. Bd3 c4 4. Nxg5
                                    Bxg5 5. Qxh5 cxd3 6. Qxg5+ Kh7 7. Qh5+
                                    Kg7 8. Rxd3
               13     2:25   0.14   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bc6 9. g3+
                                    Ke4 10. Qe2+ Kf5 11. f4
         (4)   13->   2:31   0.14   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bc6 9. g3+
                                    Ke4 10. Qe2+ Kf5 11. f4
         (3)   14     2:44   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
         (2)   14->   3:19   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
               15     4:09   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
         (2)   15->   6:08   0.13   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. g3+ Ke4 11. Qe2+ Kf5 12. Rxc5
               16    12:31   0.30   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Rb8 9. g3+
                                    Ke4 10. Qe2+ Kf5 11. f4 Nf3+ 12. Kf2
                                    Be4 13. Qxa6
               16->  15:56   0.30   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Rb8 9. g3+
                                    Ke4 10. Qe2+ Kf5 11. f4 Nf3+ 12. Kf2
                                    Be4 13. Qxa6
               17    17:20     ++   1. Nxf7!!
               17    56:07   0.73   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. Rxc5 Rd8 11. g3+ Ke4 12. Qe2+
                                    Kf5 13. Rxa5
         (2)   17-> 108:52   0.73   1. Nxf7 Kxf7 2. Rxd7 Rxd7 3. Bxe6+
                                    Kxe6 4. Qc4+ Kf5 5. Qf7+ Bf6 6. Rxd7
                                    Nxe5 7. Qh5+ Kxf4 8. Rxc7 Bd5 9. a5
                                    bxa5 10. Rxc5 Rd8 11. g3+ Ke4 12. Qe2+
                                    Kf5 13. Rxa5
               18   114:08     ++   1. Nxf7!!


I guess your right.......


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