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Subject: Re: Three hard positions

Author: Slater Wold

Date: 23:10:23 09/18/01

Go up one level in this thread


I noticed that Dann was using Crafty 18.11.  I was using Crafty 18.10.

Here are the results from Crafty 18.11:

EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
max threads set to 2
hash table memory = 192M bytes.
pawn hash table memory = 40M bytes.
EGTB cache memory = 32M bytes.
5 piece tablebase files found
20370kb of RAM used for TB indices and decompression tables
choose from 2 best moves.


Crafty v18.11 (2 cpus)

White(1): st 600
search time set to 600.00.
White(1): epdpfga test.epd test.out
PFGA: EPD record: 1   ID: test.1
end-game phase
              clearing hash tables
              time surplus   0.00  time limit 10:00 (10:00) [easy move]
         nss  depth   time  score   variation (1)
starting thread 1
               13     0.08  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rd7 7.
                                    Kd3
               13->   0.08  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rd7 7.
                                    Kd3
               14     0.13  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rd7
               14->   0.13  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rd7
               15     0.19  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rd7 8. Ke3
               15->   0.20  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rd7 8. Ke3
               16     0.31  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rb7 8. Ke3 Rd7
               16->   0.31  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rb7 8. Ke3 Rd7
               17     0.52  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rb7 8. Ke3 Rd7 9. Kd3
               17->   0.53  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rb7 8. Ke3 Rd7 9. Kd3
               18     0.81  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rb7 8. Ke3 Ra7 9. Kd3 Rd7
               18->   0.83  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Rb7 8. Ke3 Ra7 9. Kd3 Rd7
               19     1.38  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 <HT>
               19->   1.38  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 <HT>
               20     2.27  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 <HT>
               20->   2.27  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 <HT>
               21     3.20  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 10. Ke3
                                    Re7 <HT>
               21->   3.20  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 10. Ke3
                                    Re7 <HT>
               22     6.03  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 10. Ke3
                                    Re7 11. Kd3 Kd7
               22->   6.03  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 10. Ke3
                                    Re7 11. Kd3 Kd7
               23    18.69  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 10. Ke3
                                    Re7 11. Kd3 Kd7 12. Ke3
               23->  18.69  -8.32   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 Ke7 6. Ke3 Rc7 7.
                                    Kd3 Kf7 8. Ke3 Ke8 9. Kd3 Kd8 10. Ke3
                                    Re7 11. Kd3 Kd7 12. Ke3
               24    19.28     --   1. bxa6
               24    38.86  -8.85   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 b5 6. cxb5 c4+ 7.
                                    Kxc4 Rc7+ 8. Kd3 Ke7 9. b6 Rb7 10.
                                    Kc4 Rxb6 11. Kd3 Rb4 12. Ke3 Rxa4 13.
                                    Kd3 Rb4
               24->  39.50  -8.85   1. bxa6 Kf7 2. Ke2 Ra8 3. Kf3 Rxa6
                                    4. Ke3 Ra7 5. Kd3 b5 6. cxb5 c4+ 7.
                                    Kxc4 Rc7+ 8. Kd3 Ke7 9. b6 Rb7 10.
                                    Kc4 Rxb6 11. Kd3 Rb4 12. Ke3 Rxa4 13.
                                    Kd3 Rb4
               25     1:56     --   1. bxa6
               25     2:43  -9.25   1. bxa6 Kf7 2. Ke2 Rh7 3. Kf3 Ke7 4.
                                    Ke3 Kd7 5. Kf3 Kc7 6. Ke2 Rh8 7. Kd2
                                    Kb8 8. a7+ Kxa7 9. Ke3 Kb7 10. Kd3
                                    Re8 11. Ke3 b5 12. axb5 Rd8 13. b6
                                    Kxb6
               25->   2:44  -9.25   1. bxa6 Kf7 2. Ke2 Rh7 3. Kf3 Ke7 4.
                                    Ke3 Kd7 5. Kf3 Kc7 6. Ke2 Rh8 7. Kd2
                                    Kb8 8. a7+ Kxa7 9. Ke3 Kb7 10. Kd3
                                    Re8 11. Ke3 b5 12. axb5 Rd8 13. b6
                                    Kxb6
               26     5:32  -9.26   1. bxa6 Kf7 2. Ke2 Ke7 3. Kf3 Kd7 4.
                                    Ke2 Ra8 5. Kd2 Rxa6 6. Ke2 b5 7. cxb5
                                    Ra7 8. Kd3 Rc7 9. Ke2 Ke8 10. Kd2 c4
                                    11. Ke2 c3 12. Kd1 Rc4 13. Kc1 Rxe4
               26->   5:34  -9.26   1. bxa6 Kf7 2. Ke2 Ke7 3. Kf3 Kd7 4.
                                    Ke2 Ra8 5. Kd2 Rxa6 6. Ke2 b5 7. cxb5
                                    Ra7 8. Kd3 Rc7 9. Ke2 Ke8 10. Kd2 c4
                                    11. Ke2 c3 12. Kd1 Rc4 13. Kc1 Rxe4
               27     5:40     --   1. bxa6
              time=10:00  cpu=204%  mat=-10  n=913353726  fh=95%  nps=1520k
              ext-> chk=123037446 cap=588815 pp=5843820 1rep=9458023 mate=169111

              predicted=0  nodes=913353726  evals=46623173
              endgame tablebase-> probes done=0  successful=0
              hashing-> trans/ref=68%  pawn=99%  used=99%
              SMP->  split=10582  stop=810  data=13/32  cpu=20:26  elap=10:00
White(1):

For whatever reason, Crafty 18.10 solved it, but Crafty 18.11 cannot.  Or at
least no in this amount of time.


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