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Subject: Re: crafty problem - 20.0 Linux

Author: Andreas Guettinger

Date: 11:43:49 11/08/05

Go up one level in this thread


On November 08, 2005 at 01:21:03, Will Singleton wrote:

>On November 07, 2005 at 17:14:45, Rob Basham wrote:
>
>>[D]6r1/p1pq1p1p/1p1p1Qnk/3PrR2/2n1P1PP/P1P5/4R3/6K1 w - - 0 1
>>
>>Well, it is easy for Fidelity Mach 3.....:-)
>>
>>Mach 3 at level one finds all the correct moves to this mate in 11....!
>>
>>Beginning with....Rh5+
>>
>>How does your machine do on this one...?
>>
>>Rob
>
>Oddly, Crafty 20.0 bh cannot solve this.  Bug?  does it happen in the latest
>crafty?


Self compiled, amd64, default settings:


found computer opening book file [./bookc.bin].
pondering disabled.
hash table memory =   96M bytes.
pawn hash table memory =   12M bytes.
EGTB access enabled
using tbpath=./TB
5 piece tablebase files found
13986kb of RAM used for TB indices and decompression tables

Crafty v20.0

White(1): setboard 6r1/p1pq1p1p/1p1p1Qnk/3PrR2/2n1P1PP/P1P5/4R3/6K1 w - - 0 1
White(1): analyze
Analyze Mode: type "exit" to terminate.
              clearing hash tables
              time surplus   0.00  time limit 22.50 (3:30)
              depth   time  score   variation (1)
                8->   1.12  -5.00   1. h5 Rxf5 2. exf5 Qd8 3. Qxd8 Rxd8
                                    4. fxg6 hxg6 5. Re7 Nxa3 6. Rxc7
                9     1.52     +1   1. h5!!
                9     1.96     +3   1. h5!!
                9     2.59     +M   1. h5!!
                9     4.64   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
                9->   4.83   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               10     5.89   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               10->   7.22   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               11     9.30   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               11->  10.24   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               12    13.22   0.01   1. h5 Rxf5 2. exf5 Qd8 3. g5+ Kxh5
                                    4. Rh2+ Kg4 5. Rg2+ Kf3 6. Rf2+ Kg3
                                    7. Rg2+ Kf3
               12    13.33     +1   1. Rh5+!!
               12    13.36     +3   1. Rh5+!!
               12    13.57     +M   1. Rh5+!!
               12    31.44  Mat11   1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
                                    Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
                                    Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
                                    Ke5 10. Re2+ Ne3 11. Rxe3#
               12->  31.85  Mat11   1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
                                    Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
                                    Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
                                    Ke5 10. Re2+ Ne3 11. Rxe3#
               13    42.89  Mat11   1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
                                    Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
                                    Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
                                    Ke5 10. Re2+ Ne3 11. Rxe3#
               13->  44.52  Mat11   1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
                                    Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
                                    Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
                                    Ke5 10. Re2+ Ne3 11. Rxe3#
quit           14     1:15   1/34?  1. Rh5+

regards
Andy




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