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Subject: Re: Mate in 12 [by A. Thoma (Germany), after V.L.Eaton] 1975

Author: Mike Byrne

Date: 09:34:39 08/28/03

Go up one level in this thread


Crafty 19.04 - Fischer -- needs 1.36 seconds to annouce mate-in-11 on  my dual
1.7 Ghz.

White(1): [d]NR6/1p6/1p6/1p6/1p6/1p6/1p6/1k1K4 w
White(1): go
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 166666:39 (166666:39)
              depth   time  score   variation (1)
starting thread 1
                3->   0.03   2.72   1. Rxb7 Ka2 2. Ra7+ Kb1 3. Nxb6
                4     0.03     --   1. Rxb7
                4     0.03   0.00   1. Rxb7 Ka2 2. Ra7+ Kb1 3. Nxb6
                4     0.03     ++   1. Nxb6!!
                4     0.03   3.16   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Nxb4
                4->   0.03   3.16   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Nxb4
                5     0.03   3.16   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Nxb4
                5->   0.03   3.16   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Nxb4
                6     0.05     --   1. Nxb6
                6     0.05   1.41   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Na4 b6 4.
                                    Nxb2 Kxb2
                6->   0.05   1.41   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Na4 b6 4.
                                    Nxb2 Kxb2 (s=2)
                7     0.06     ++   1. Nxb6!!
                7     0.06   3.30   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Ke2 Kc1 5. Rc8+ Kb1 6. Nxb4
                7->   0.08   3.30   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Ke2 Kc1 5. Rc8+ Kb1 6. Nxb4 (s=3)
                8     0.08     ++   1. Nxb6!!
                8     0.09   4.60   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Nxb3
                                    (s=2)
                8->   0.11   4.60   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Nxb3
                                    (s=3)
                9     0.14   4.60   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Nxb3
                                    (s=2)
                9->   0.17   4.60   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Nxb3
               10     0.23     --   1. Nxb6
               10     0.30   3.83   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Na3+ bxa3 7.
                                    Rxa3 b5 8. Rxb3
               10     0.33   4.21   1. Rxb7 Ka2 2. Ra7+ Kb1 3. Ke2 Kc1
                                    4. Rc7+ Kb1 5. Nxb6 Ka1 6. Ra7+ Kb1
                                    7. Nd5 Kc1 8. Rc7+ Kb1 9. Nxb4
               10->   0.34   4.21   1. Rxb7 Ka2 2. Ra7+ Kb1 3. Ke2 Kc1
                                    4. Rc7+ Kb1 5. Nxb6 Ka1 6. Ra7+ Kb1
                                    7. Nd5 Kc1 8. Rc7+ Kb1 9. Nxb4 (s=3)
               11     0.37     --   1. Rxb7
               11     0.42   2.53   1. Rxb7 Ka2 2. Ra7+ Kb1 3. Ke2 Kc1
                                    4. Rc7+ Kb1 5. Nxb6 Ka1 6. Ra7+ Kb1
                                    7. Nd5 Kc1 8. Rc7+ Kb1 9. Nxb4 Ka1
                                    (s=2)
               11     0.42     ++   1. Nxb6!!
               11     0.55   4.74   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Ke2
                                    Kc1 8. Rc8+ Kb1 9. Nxb3
               11->   0.59   4.74   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Ke2
                                    Kc1 8. Rc8+ Kb1 9. Nxb3
               12     0.81   4.74   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Ke2
                                    Kc1 8. Rc8+ Kb1 9. Nxb3
               12->   0.94   4.74   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nc8 b6 4.
                                    Na7 Ka2 5. Nxb5+ Kb1 6. Nd4 b5 7. Ke2
                                    Kc1 8. Rc8+ Kb1 9. Nxb3
               13     1.01     ++   1. Nxb6!!
               13     1.36  Mat11   1. Nxb6 Ka2 2. Ra8+ Kb1 3. Nd5 b6 4.
                                    Ke2 Kc1 5. Rc8+ Kb1 6. Nf6 Ka2 7. Ra8+
                                    Kb1 8. Ne4 Kc1 9. Rc8+ Kb1 10. Nd2+
                                    Ka1 11. Ra8#



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