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Subject: Re: A position.

Author: Dann Corbit

Date: 22:57:21 11/25/00

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With 5 piece tablebase files, Crafty finds a draw:

EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
hash table memory = 96M bytes.
pawn hash table memory = 40M bytes.
EGTB cache memory = 64M bytes.
draw score set to    0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
6 piece tablebase files found
20899kb of RAM used for TB indices and decompression tables

Crafty v17.14

White(1): st 999
search time set to 999.00.
White(1): epdpfga foo.epd foo.out
PFGA: EPD record: 1
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 16:39 (16:39)
         nss  depth   time  score   variation (1)
                9     1.23     ++   1. ... Rf7!!
                9->   1.30  -4.66   1. ... Rf7 2. Re1+ Rf1 3. Re3 Rf7 4.
                                    Ne5 Rg7+ 5. Kxh3 Kf2 6. Nc4 Rh7+
               10     3.70  -4.65   1. ... Rf7 2. Re1+ Rf1 3. Re6 Rf8 4.
                                    Nf6 Kf1 5. Ne4 Ke2 6. Nf2+ Kd2 7. Nxh3
                                    Kc3
               10->   3.78  -4.65   1. ... Rf7 2. Re1+ Rf1 3. Re6 Rf8 4.
                                    Nf6 Kf1 5. Ne4 Ke2 6. Nf2+ Kd2 7. Nxh3
                                    Kc3
               11     7.09     ++   1. ... Rf7!!
               11->   7.32  -4.26   1. ... Rf7 2. Re1+ Rf1 3. Re6 Rf8 4.
                                    Nf6 Kf1 5. Ne4 Ke2 6. Nf2+ Kd2 7. Nxh3
                                    Kc3
               12    24.78  -3.87   1. ... Rf7 2. Re1+ Rf1 3. Re5 Rf7 4.
                                    Re2 Kf1 5. Re6 Kg1 6. Ne5 Rf1 7. Nf3+
                                    Kh1 8. Re3 Rxf3+ 9. Rxf3
               12->  24.92  -3.87   1. ... Rf7 2. Re1+ Rf1 3. Re5 Rf7 4.
                                    Re2 Kf1 5. Re6 Kg1 6. Ne5 Rf1 7. Nf3+
                                    Kh1 8. Re3 Rxf3+ 9. Rxf3
               13    38.33     ++   1. ... Rf7!!
               13->  40.38  -3.48   1. ... Rf7 2. Re1+ Rf1 3. Re5 Rf7 4.
                                    Re2 Kf1 5. Re6 Kg1 6. Ne5 Rf1 7. Nf3+
                                    Kh1 8. Re3 Rxf3+ 9. Rxf3
               14     1:10     --   1. ... Rf7
               14     1:21  -3.99   1. ... Rf7 2. Ne5 Rg7+ 3. Kf3 Kh1 4.
                                    Rd2 Rg1 5. Ng4 Ra1 6. Nf2+ Kg1 7. Kg3
                                    Ra3+ 8. Nd3 Kf1 9. Kh2 Rxd3 10. Rxd3
               14     2:34     ++   1. ... Rf8!!
               14     2:58  -0.01   1. ... Rf8 2. Kxh3 <HT>
               14->   2:58  -0.01   1. ... Rf8 2. Kxh3 <HT>
               15     3:21  -0.01   1. ... Rf8 2. Kxh3 <HT>
               15->   3:21  -0.01   1. ... Rf8 2. Kxh3 <HT>
               16     5:55  -0.01   1. ... Rf8 2. Kxh3 <HT>
               16->   5:55  -0.01   1. ... Rf8 2. Kxh3 <HT>
               17     7:15   1/14*  1. ... Rf8


I suspect Mogens was wondering if:
1.  Programs chose Rf8 without tablebase files
2.  What their evaluation was, in case they did.



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