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Subject: Re: How long to see black is winning + crafty bench

Author: Mike Byrne

Date: 12:40:35 03/26/05

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On March 26, 2005 at 15:29:42, Dieter Buerssner wrote:

>On March 26, 2005 at 15:20:17, Mike Byrne wrote:
>
>>after the main line :  Kf2 f5 h3 Kc7 g3 hxg3 is winning no?
>>
>>Black(2): his
>>    white       black
>>  1  Kf2         f5
>>  2  h3          Kc7
>>  3  g3          ...
>>               17    25.52  -7.17   3. ... hxg3+ 4. Kxg3 f4+ 5. Kg4 b6
>>                                    6. h4 f3 7. Kxf3 gxh4 8. c6 Kxc6 9.
>>                                    Kg4 b5 10. a5 b4 11. Kxh4 Kb5 12. Kg4
>>
>
>In this line, Yace says 8. c6? is losing, while 8.cxb6 is draw.
>
>Regards,
>Dieter

cxb6 gets a mate score me - but something may be broken here

Black(1): [d]8/2k5/1P6/3p4/P2P3p/5K2/8/8 b - - 0 1
Black(1): g
              time surplus   0.00  time limit 10:00 (10:00)
              depth   time  score   variation (1)
starting thread 1
               38->   9.03 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               39     9.22 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               39->   9.34 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               40     9.53 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               40->   9.59 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               41     9.78 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               41->   9.91 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               42    10.09 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               42->  10.16 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               43    10.34 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               43->  10.41 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               44    10.59 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               44->  10.72 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               45    10.91 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               45->  10.97 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               46    11.16 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
               46->  11.31 -Mat128   1. ... Kxb6 2. Kg4 Ka5 3. Kxh4 <EGTB>
?              47    11.31    1/8*  1. ... Kxb6
Black(0): ?
              time=12.06  cpu=3%  mat=1  n=139465  fh=99%  nps=11K
              ext-> chk=71 cap=0 pp=256 1rep=3501 mate=0
              predicted=0  nodes=139465  evals=436  50move=0
              endgame tablebase-> probes=1471  hits=101
              SMP->  split=323  stop=0  data=4/64  cpu=0.37  elap=12.06

mate in 128 moves.


Black(1): Kxb6
              time used:  12.08
White(2):





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