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Subject: Re: Position from local chess club

Author: Dan Homan

Date: 09:20:31 11/05/99

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This analysis probably is incorrect.  Try shutting off null-move.  Have
a look at Remi Coulomb's message and my response.

 - Dan


On November 05, 1999 at 11:39:57, Dann Corbit wrote:

>Somewhat deeper Crafty analysis.  Still not decisive.
>
>Crafty v16.19
>
>White(1): st 9999999
>search time set to 9999999.00.
>White(1): 4q/p5p/k5P/8/1PN4K/8/1N2B/8 w
>White(1): go
>end-game phase
>              clearing hash tables
>              time surplus   0.00  time limit 166666:39 (166666:39)
>         nss  depth   time  score   variation (1)
>                7->   0.54   1.49   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Nc5 Qf5
>                                    4. Ncd7+ Kc7 5. Kg3
>                8     1.00   1.53   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg3 Qf8
>                                    4. Bf3 Kd6 5. Bc6
>                8->   1.31   1.53   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg3 Qf8
>                                    4. Bf3 Kd6 5. Bc6
>                9     1.99   1.49   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg5 Qf6+
>                                    4. Kg4 Kc7 5. Bf3 Kd6 6. Bc6 <HT>
>                9->   2.78   1.49   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg5 Qf6+
>                                    4. Kg4 Kc7 5. Bf3 Kd6 6. Bc6 <HT>
>               10     4.97   1.54   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Nc5 Qf6 5. Ncd7 Qe6+ 6. Kf4 Kd6
>               10->   6.37   1.54   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Nc5 Qf6 5. Ncd7 Qe6+ 6. Kf4 Kd6
>               11    10.21   1.52   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. b5 Kd6 6. Nf7+ Kd7 7.
>                                    Nc5+ Ke7
>               11->  13.62   1.52   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. b5 Kd6 6. Nf7+ Kd7 7.
>                                    Nc5+ Ke7
>               12    27.56   1.56   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. Be4 Kd6 6. Nf7+ Ke7 7.
>                                    Nde5 Ke6
>               12->  33.52   1.56   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. Be4 Kd6 6. Nf7+ Ke7 7.
>                                    Nde5 Ke6
>               13    52.94   1.59   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. Be4 Kd6 6. Nc6 Qe6+ 7.
>                                    Kf4 Qf6+ 8. Ke3 a6
>               13->   1:05   1.59   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. Be4 Kd6 6. Nc6 Qe6+ 7.
>                                    Kf4 Qf6+ 8. Ke3 a6
>               14     1:33   1.60   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. Be4 Kd6 6. Nc6 a6 7.
>                                    Nc5 Qf1 8. Kg5
>               14->   1:56   1.60   1. Ne5+ Kb6 2. Nbd3 Kc7 3. Kg4 Qf8
>                                    4. Bf3 Qf6 5. Be4 Kd6 6. Nc6 a6 7.
>                                    Nc5 Qf1 8. Kg5
>               15     3:16   1.59   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg3 Qf5
>                                    4. Bg4 Qe4 5. Bf3 Qd4 6. Bc6 a5 7.
>                                    bxa5+ Kxa5 8. Kg2 Kb6 9. Kf3 Kc7
>               15->   4:12   1.59   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg3 Qf5
>                                    4. Bg4 Qe4 5. Bf3 Qd4 6. Bc6 a5 7.
>                                    bxa5+ Kxa5 8. Kg2 Kb6 9. Kf3 Kc7
>               16    16:33   1.67   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg3 Kc7
>                                    4. Kf4 Kd6 5. Bf3 Qh3 6. Ke4 Qg3 7.
>                                    Ke3 a6 8. Kd4 Qg1+ 9. Ke4 Qf1
>               16->  18:29   1.67   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg3 Kc7
>                                    4. Kf4 Kd6 5. Bf3 Qh3 6. Ke4 Qg3 7.
>                                    Ke3 a6 8. Kd4 Qg1+ 9. Ke4 Qf1
>               17    25:48   1.67   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg3 Kc7
>                                    4. Kf4 Kd6 5. Bf3 Qh3 6. Ke4 Qh4+ 7.
>                                    Ke3 a6 8. Be4 Qg3+ 9. Kd4 Qg1+ 10.
>                                    Kc3 Qa1+ 11. Kc4 Qb1
>               17->  29:22   1.67   1. Ne5+ Kb6 2. Nbd3 Qe6 3. Kg3 Kc7
>                                    4. Kf4 Kd6 5. Bf3 Qh3 6. Ke4 Qh4+ 7.
>                                    Ke3 a6 8. Be4 Qg3+ 9. Kd4 Qg1+ 10.
>                                    Kc3 Qa1+ 11. Kc4 Qb1
>               18   154:25   1.62   1. Ne5+ Kb6 2. Nbd3 a5 3. bxa5+ Kxa5
>                                    4. Kg4 Qf8 5. Bd1 Qf6 6. Bf3 Ka4 7.
>                                    Bd5 Ka3 8. Bc4 Ka4 9. Bg8 Kb5 10. Bd5
>                                    Ka4 <HT>
>               18-> 164:15   1.62   1. Ne5+ Kb6 2. Nbd3 a5 3. bxa5+ Kxa5
>                                    4. Kg4 Qf8 5. Bd1 Qf6 6. Bf3 Ka4 7.
>                                    Bd5 Ka3 8. Bc4 Ka4 9. Bg8 Kb5 10. Bd5
>                                    Ka4 <HT>
>               19   214:05   1.62   1. Ne5+ Kb6 2. Nbd3 a5 3. bxa5+ Kxa5
>                                    4. Kg4 Qf8 5. Bd1 Qf6 6. Bf3 Ka4 7.
>                                    Bd5 Ka3 8. Bc4 Ka4 9. Bg8 Kb5 10. Bd5
>                                    Ka4 11. Nb2+ Kb4 12. Nbc4
>               19-> 232:55   1.62   1. Ne5+ Kb6 2. Nbd3 a5 3. bxa5+ Kxa5
>                                    4. Kg4 Qf8 5. Bd1 Qf6 6. Bf3 Ka4 7.
>                                    Bd5 Ka3 8. Bc4 Ka4 9. Bg8 Kb5 10. Bd5
>                                    Ka4 11. Nb2+ Kb4 12. Nbc4
>               20   321:46   1.63   1. Ne5+ Kb6 2. Nbd3 a5 3. bxa5+ Kxa5
>                                    4. Kg4 Qf8 5. Bd1 Qf6 6. Bf3 Ka4 7.
>                                    Bd5 Qd6 8. Bg8 Qd8 9. Bf7 Qf6 10. Nc5+
>                                    Kb4 11. Bd5 Qd6 12. Ned3+ Kb5 13. Be6
>               20-> 364:02   1.63   1. Ne5+ Kb6 2. Nbd3 a5 3. bxa5+ Kxa5
>                                    4. Kg4 Qf8 5. Bd1 Qf6 6. Bf3 Ka4 7.
>                                    Bd5 Qd6 8. Bg8 Qd8 9. Bf7 Qf6 10. Nc5+
>                                    Kb4 11. Bd5 Qd6 12. Ned3+ Kb5 13. Be6
>               21   511:15   1/22   1. Ne5+



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