Author: Robert Hyatt
Date: 08:41:28 05/11/04
Go up one level in this thread
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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