Author: Robert Hyatt
Date: 09:55:00 05/11/04
Go up one level in this thread
On May 11, 2004 at 12:10:42, Eugene Nalimov wrote: >Bob, can you please look what probe fails? I.e. just insert print for every TB >probe, and look at the first diff? > >Thanks, >Eugene Yes. I'll try to do this this afternoon after I finish up a couple of meetings... Bob... > >On May 11, 2004 at 11:41:28, Robert Hyatt wrote: > >>On May 11, 2004 at 09:24:06, Slater Wold wrote: >> >>>On May 11, 2004 at 08:59:28, Bernhard Bauer wrote: >>> >>>>Older versions of Crafty had no problem solving the following position: >>>> >> >>There is a problem in the new egtb.cpp code. The new egtb.cpp can't find this >>but the previous version (I just copied the old egtb.cpp to the 19.13 source >>directory) can. Here is new egtb.cpp: >> >> 15 1.25 5.17 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb6 >> 4. Bd4+ Kc6 5. Kb4 Kd5 6. Kb5 Kd6 7. >> Be5+ Ke6 8. a4 Kd5 9. a5 <HT> >> 15-> 1.60 5.17 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb6 >> 4. Bd4+ Kc6 5. Kb4 Kd5 6. Kb5 Kd6 7. >> Be5+ Ke6 8. a4 Kd5 9. a5 <HT> >> 16 2.06 5.36 1. Kc6 Kd8 2. Kxb5 Kc7 3. Be5+ Kb7 >> 4. Kxa4 Kb6 5. Kb4 Kc6 6. a4 Kb6 7. >> Bd4+ Ka6 8. Bb2 <HT> >> 16-> 2.71 5.36 1. Kc6 Kd8 2. Kxb5 Kc7 3. Be5+ Kb7 >> 4. Kxa4 Kb6 5. Kb4 Kc6 6. a4 Kb6 7. >> Bd4+ Ka6 8. Bb2 <HT> >> 17 3.29 5.51 1. Kc6 Kd8 2. Kxb5 Kc7 3. Be5+ Kb7 >> 4. Kxa4 Kb6 5. Kb4 Kc6 6. a4 Kb6 7. >> Bd4+ Ka6 8. Bc5 Kb7 9. Kb5 Kc7 10. >> a5 >> 17-> 4.40 5.51 1. Kc6 Kd8 2. Kxb5 Kc7 3. Be5+ Kb7 >> 4. Kxa4 Kb6 5. Kb4 Kc6 6. a4 Kb6 7. >> Bd4+ Ka6 8. Bc5 Kb7 9. Kb5 Kc7 10. >> a5 >> 18 4.44 +1 1. Kc6!! >> 18 5.30 6.76 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >> 4. Kb5 Ka7 5. a4 Kb7 6. a5 Ka7 7. Bd4+ >> Kb7 8. a6+ Kb8 9. Kb6 Ka8 10. Bc5 Kb8 >> 18-> 6.66 6.76 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >> 4. Kb5 Ka7 5. a4 Kb7 6. a5 Ka7 7. Bd4+ >> Kb7 8. a6+ Kb8 9. Kb6 Ka8 10. Bc5 Kb8 >> 19 7.75 6.86 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >> 4. Kb5 Ka7 5. a4 Kb7 6. a5 Ka7 7. Bd4+ >> Kb7 8. a6+ Kb8 9. Kb6 Ka8 10. Bc5 Kb8 >> 11. Bd6+ Kc8 >> 19-> 9.71 6.86 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >> 4. Kb5 Ka7 5. a4 Kb7 6. a5 Ka7 7. Bd4+ >> Kb7 8. a6+ Kb8 9. Kb6 Ka8 10. Bc5 Kb8 >> 11. Bd6+ Kc8 >> 20 11.08 6.92 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >> 4. Kb5 Ka7 5. a4 Kb7 6. a5 Ka7 7. Bd4+ >> Kb7 8. a6+ Kb8 9. Kb6 Ka8 10. Bc5 Kb8 >> 11. Bd6+ Ka8 12. Be5 >> 20-> 14.15 6.92 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >> 4. Kb5 Ka7 5. a4 Kb7 6. a5 Ka7 7. Bd4+ >> Kb7 8. a6+ Kb8 9. Kb6 Ka8 10. Bc5 Kb8 >> 11. Bd6+ Ka8 12. Be5 >> >> >> >>Here is same code except older egtb.cpp: >> >> 14 2.42 3.83 1. Bf6 Kb7 2. Bd4 Kb8 3. Kc6 Kc8 4. >> Bf6 Kb8 5. Bg5 Kc8 6. Bf4 Kd8 7. Bd6 >> Ke8 <HT> >> 14-> 3.53 3.83 1. Bf6 Kb7 2. Bd4 Kb8 3. Kc6 Kc8 4. >> Bf6 Kb8 5. Bg5 Kc8 6. Bf4 Kd8 7. Bd6 >> Ke8 <HT> >> 15 3.56 +1 1. Bf6!! >> 15 3.60 +3 1. Bf6!! >> 15 3.87 +M 1. Bf6!! >> 15 4.03 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> 15-> 5.22 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> 16 5.58 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> 16-> 6.79 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> 17 7.05 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> 17-> 8.54 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> 18 8.99 Mat22 1. Bf6 Kb7 2. Bg5 Kb6 3. Be3+ Kb7 4. >> Kd7 b4 5. axb4 <EGTB> >> >> >> >> >>>>[D]2k/8/3K/1p/p/P/1B/8 w >>>> >>>>Crafty 19.4 took about 15 sec on an AMD 1800 MHz to report a mate in 20. >>>> >>>>Crafty 19.13 gives >>>> >>>> >>>> 22-> 36.66 6.92 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >>>> 4. Kb5 Ka7 5. Bd4+ Kb7 6. Ka5 Kc6 7. >>>> Bb2 Kc5 8. Bh8 Kc4 9. Bd4 Kxd4 10. >>>> Kb6 Kd3 11. Kb5 Kc2 12. a4 >>>> 23 53.61 6.89 1. Kc6 Kd8 2. Kxb5 Kc7 3. Kxa4 Kb7 >>>> 4. Kb5 Ka7 5. Bd4+ Kb7 6. Ka5 Kc6 7. >>>> Bb2 Kc5 8. Bh8 Kc4 9. Bc3 Kxc3 10. >>>> a4 Kc4 11. Kb6 Kb3 12. a5 Kc3 >>>> 23 1:16 +1 1. Bf6!! >>>> 23 1:17 8.07 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. Kc6 Ke7 10. b5 Ke6 >>>> 11. b6 Kxe5 12. b7 Kd4 13. b8=Q >>>> 23-> 1:20 8.07 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. Kc6 Ke7 10. b5 Ke6 >>>> 11. b6 Kxe5 12. b7 Kd4 13. b8=Q >>>> 24 1:21 +1 1. Bf6!! >>>> 24 1:21 +3 1. Bf6!! >>>> 24 1:23 9.76 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. Kc6 Ke7 10. b5 Ke6 >>>> 11. Bd4 a2 12. b6 Kf5 13. Ba1 Ke6 >>>> 24-> 1:34 9.76 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. Kc6 Ke7 10. b5 Ke6 >>>> 11. Bd4 a2 12. b6 Kf5 13. Ba1 Ke6 >>>> 25 1:39 10.00 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. Kc6 Ke7 10. b5 Ke6 >>>> 11. Ba1 Kf5 12. b6 Ke4 13. b7 Kd3 14. >>>> b8=Q >>>> 25-> 2:09 10.00 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. Kc6 Ke7 10. b5 Ke6 >>>> 11. Ba1 Kf5 12. b6 Ke4 13. b7 Kd3 14. >>>> b8=Q >>>> 26 2:30 10.21 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. b5 Kd7 10. b6 Ke6 >>>> 11. b7 Kxe5 12. b8=Q+ Ke4 13. Qa8+ >>>> Kd3 14. Qxa3+ Kc2 15. Kd4 Kb1 16. Kc5 >>>> 26-> 3:23 10.21 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>>> Kc5 b4 5. axb4 a3 6. Bd8 Kc8 7. Bf6 >>>> Kc7 8. Be5+ Kd8 9. b5 Kd7 10. b6 Ke6 >>>> 11. b7 Kxe5 12. b8=Q+ Ke4 13. Qa8+ >>>> Kd3 14. Qxa3+ Kc2 15. Kd4 Kb1 16. Kc5 >>>> 27 4:39 +1 1. Bf6!! >>>> 27 4:50 +3 1. Bf6!! >>>> time=10:00 cpu=97% mat=2 n=910463487 fh=93% nps=1.52M >>>> ext-> chk=114451167 cap=482083 pp=1193100 1rep=3235260 mate=240992 >>>> predicted=0 nodes=910463487 evals=31009012 50move=0 >>>> endgame tablebase-> probes=2648282 hits=109 >>>> >>>>White(1): Bf6 >>>> time used: 10:00 >>>>So even in 10 min there is no mate score. >>>>Kind regards >>>>Bernhard >>> >>>19.11: >>> >>> >>> >>> 12-> 2.42 3.71 1. Bd4 Kb7 2. Bf2 Kb8 3. Kc6 Kc8 4. >>> Bg3 Kd8 5. Bf4 Kc8 6. Bd6 b4 7. Bxb4 >>> 13 2.53 3.72 1. Bd4 Kb7 2. Bf2 Kc8 3. Kc6 Kd8 4. >>> Bb6+ Ke7 5. Bc7 Kf7 6. Bf4 Ke7 7. Be5 >>> Ke6 <HT> >>> 13-> 2.97 3.72 1. Bd4 Kb7 2. Bf2 Kc8 3. Kc6 Kd8 4. >>> Bb6+ Ke7 5. Bc7 Kf7 6. Bf4 Ke7 7. Be5 >>> Ke6 <HT> >>> 14 3.80 3.72 1. Bd4 Kb7 2. Bf2 Kc8 3. Kc6 Kd8 4. >>> Bb6+ Ke7 5. Bc7 Kf7 6. Bf4 Ke7 7. Bc7 >>> <HT> >>> 14 4.57 3.91 1. Bf6 Kb7 2. Kd7 Kb8 3. Kc6 Kc8 4. >>> Bh4 Kb8 5. Bf2 <HT> >>> 14-> 4.91 3.91 1. Bf6 Kb7 2. Kd7 Kb8 3. Kc6 Kc8 4. >>> Bh4 Kb8 5. Bf2 <HT> >>> 15 5.21 3.91 1. Bf6 Kb7 2. Kd7 Kb8 3. Kc6 Kc8 4. >>> Bh4 Kb8 5. Bf2 <HT> >>> 15-> 10.32 3.91 1. Bf6 Kb7 2. Kd7 Kb8 3. Kc6 Kc8 4. >>> Bh4 Kb8 5. Bf2 <HT> >>> 16 10.32 ++ 1. Bf6!! >>> 16-> 13.78 4.30 1. Bf6 Kb7 2. Kd7 Kb8 3. Kc6 Kc8 4. >>> Bh4 Kb8 5. Bf2 <HT> >>> 17 13.78 ++ 1. Bf6!! >>> 17 14.82 Mat21 1. Bf6 Kb7 2. Bd4 Kc8 3. Bb6 Kb7 4. >>> Kc5 Ka8 5. Kc6 Kb8 6. Bc7+ Ka7 7. Be5 >>> <HT>
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