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Subject: Re: Pawn ending ==> Taimanov-Zakharov,USSR 1969

Author: Dann Corbit

Date: 13:29:11 10/03/01

Go up one level in this thread


On October 03, 2001 at 15:45:32, José Antônio Fabiano Mendes wrote:

>      Taimanov-Zakharov,USSR 1969 === Black to move and win
>      [D]8/5p2/7p/5pk1/8/5KPP/8/8 b
>      Source:  http://chesscafe.com/text/secpawnendings.txt

Yace slaughters it.  Best pawn ending analyzer of any of the free programs, from
what I can see.  Scores highest on the pawn test and solves this one much faster
than the others.

white ( 1): st 999
white ( 1): setboard 8/5p2/7p/5pk1/8/5KPP/8/8 b
Stored 0 learned positions into hash table
black ( 1): go
usetime = 998.00, mintime = 998.00 maxtime = 998.00 tl 998.00 ml 0
         1   0.016   0.38  1t  1...h5 {80}
         6   0.022   0.38  1.  1...h5 {80}
        18   0.029   0.31  2t  1...h5 2.Ke3 {80}
        33   0.035   0.31  2.  1...h5 2.Ke3 {80}
        65   0.042   0.35  3t  1...h5 2.Ke3 Kf6 {80}
       120   0.048   0.35  3.  1...h5 2.Ke3 Kf6 {80}
       233   0.055   0.19  4t  1...h5 2.h4+ Kf6 3.Kf4 {80}
       309   0.062   0.19  4.  1...h5 2.h4+ Kf6 3.Kf4 {80}
       466   0.068   0.26  5t  1...h5 2.h4+ Kf6 3.Kf4 Ke6 {80}
       753   0.075   0.26  5.  1...h5 2.h4+ Kf6 3.Kf4 Ke6 {80}
      2501   0.083   0.19  6t  1...h5 2.h4+ Kg6 3.Ke3 Kg7 4.Kd4 Kf6H {80}
      4002   0.089   0.20  6t+ 1...f6 2.h4+ Kg6 3.Kf4 h5 4.Kf3 Kg7 {80}
      4265   0.094   0.23  6t  1...f6 2.h4+ Kh5 3.Kf4 Kg6 4.Ke3 Kf7 {80}
      5056   0.102   0.23  6.  1...f6 2.h4+ Kh5 3.Kf4 Kg6 4.Ke3 Kf7 {80}
      7412   0.110   0.17  7t  1...f6 2.h4+ Kh5 3.Kf4 Kg6 4.Kf3 Kf7 5.h5 {80}
     13169   0.121   0.18  7t+ 1...f4 2.gxf4+ Kh4 3.Kg2 h5 4.Kh2 f6 5.f5 Kg5
                               {0}
     13956   0.131   0.22  7t  1...f4 2.gxf4+ Kh4 3.Kg2 f6 4.Kh2H f5H 5.Kg2H
                               h5H {0}
     14576   0.143   0.22  7.  1...f4 2.gxf4+ Kh4 3.Kg2 f6 4.Kh2 f5 5.Kg2 h5
                               {0}
     24449   0.168   0.31  8t  1...f4 2.gxf4+ Kh4 3.Kg2 f6 4.Kh2 f5 5.Kg2 h5
                               6.Kh2 {0}
     27716   0.181   0.31  8.  1...f4 2.gxf4+ Kh4 3.Kg2 f6 4.Kh2 f5 5.Kg2 h5
                               6.Kh2 {0}
     52343   0.221   0.15  9t  1...f4 2.gxf4+ Kf5 3.Ke3 h5 4.Kf3 h4 5.Ke3 f6
                               6.Kf3H Ke6H {0}
     74528   0.257   0.16  9t+ 1...Kf6 2.Kf4 Ke6 3.g4 fxg4 4.Kxg4 f6 5.Kh5 Ke5
                               6.Kg4 f5+ 7.Kh4 h5 8.Kxh5H f4H 9.Kg4H Ke4H
                               10.h4H f3H {0}
     78311   0.277   0.31  9t  1...Kf6 2.Kf4 Ke6 3.h4 Kf6 4.h5 Ke6H 5.Ke3H
                               Ke5H {80}
     84167   0.293   0.31  9.  1...Kf6 2.Kf4 Ke6 3.h4 Kf6 4.h5 Ke6 5.Ke3 Ke5
                               {80}
    106343   0.330   0.31 10t  1...Kf6 2.Kf4 Ke6 3.h4 Kf6 4.h5 Ke6 5.Kf3 Ke5
                               6.Ke3 f6H 7.Ke2H f4H 8.g4H f5H 9.Kf3H {80}
    122494   0.358   0.31 10.  1...Kf6 2.Kf4 Ke6 3.h4 Kf6 4.h5 Ke6 5.Kf3 Ke5
                               6.Ke3 f6 7.Ke2 f4 8.g4 f5 9.Kf3 {80}
    163788   0.424   0.12 11t  1...Kf6 2.Kf4 Ke6 3.h4 Kf6 4.h5 Ke6 5.Ke3 Ke7
                               6.Kd4 Ke6 {80}
    261384   0.554   0.13 11t+ 1...h5 2.h4+ Kg6 3.Ke3 Kg7 4.Kf3 f6 5.g4 hxg4+
                               6.Kf4 Kf7 7.h5 g3 8.Kxg3 {80}
    268132   0.572   0.13 11t  1...h5 2.h4+ Kg6 3.Ke3H Kg7H 4.Kf3H Kh6H 5.Ke3H
                               Kg6H 6.Kf3H Kg7H 7.Ke3H Kf6H 8.Kf4H Ke6H 9.Kg5H
                               f6+H 10.Kxh5H Kd7H 11.g4H fxg4H 12.Kxg4H Ke6H
                               13.h5H Kf7H 14.h6H Kg6H 15.Kf4H {HT} {0}
    279044   0.608   0.13 11.  1...h5 2.h4+ Kg6 3.Ke3 Kg7 4.Kf3 Kh6 5.Ke3 Kg6
                               6.Kf3 Kg7 7.Ke3 Kf6 8.Kf4 Ke6 9.Kg5 f6+ 10.Kxh5
                               Kd7 11.g4 fxg4 12.Kxg4 Ke6 13.h5 Kf7 14.h6 Kg6
                               15.Kf4 {HT} {0}
    379315   0.760   0.31 12t  1...h5 2.h4+ Kg6 3.Ke3 Kg7 4.Kf3 f6 5.Kf4 Kg6
                               6.Ke3 Kf7 7.Kd4 Ke6H 8.Kd3H Ke5H 9.Ke2H Kd5H
                               10.Kd3H Kc5H 11.Ke3H {80}
    401758   0.807   0.31 12.  1...h5 2.h4+ Kg6 3.Ke3 Kg7 4.Kf3 f6 5.Kf4 Kg6
                               6.Ke3 Kf7 7.Kd4 Ke6 8.Kd3 Ke5 9.Ke2 Kd5 10.Kd3
                               Kc5 11.Ke3 {80}
    508893   0.956   0.30 13t  1...h5 2.h4+ Kg6 3.Ke3 Kg7 4.Kf3 f6 5.Ke3 Kf7
                               6.Kf3 Ke7H {HT} {80}
    668770   1.167   0.31 13t+ 1...Kf6 2.Kf4 Ke6 3.h4 Kf6 4.Ke3 Ke5 5.Kd3 f6
                               6.Ke2 h5 7.Kf3 Kd5 8.Ke3H Kd6H {HT} {80}
    795605   1.342   0.31 13t  1...Kf6 2.Kf4 Ke6 3.Ke3H Ke5H 4.Kf3H f6H 5.Ke3H
                               Kd5H {HT} {80}
    836677   1.403   0.31 13.  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 f6 5.Ke3 Kd5
                               {HT} {80}
   1434154   2.170   0.31 14t  1...Kf6 2.Ke3 Ke5 3.Kf3 Kd5 4.Ke3H Kd6H 5.Ke2H
                               Ke6H 6.Ke3H Ke5H 7.Kf3H Kd5H 8.Ke3H Kd6H 9.Ke2H
                               Ke6H 10.Ke3H Ke5HR {80}
   1549144   2.332   0.31 14.  1...Kf6 2.Ke3 Ke5 3.Kf3 Kd5 4.Ke3 Kd6 5.Ke2 Ke6
                               6.Ke3 Ke5 7.Kf3 Kd5 8.Ke3 Kd6 9.Ke2 Ke6 10.Ke3
                               Ke5 {80}
   2236864   3.229   0.31 15t  1...Kf6 2.Ke3 Ke5 3.Kf3 Kd5 4.Ke3 Kd6 5.Ke2 Ke6
                               6.Ke3 Ke5H 7.Kf3H Kd5H 8.Ke3H Kd6H 9.Ke2H Ke6H
                               10.Ke3H Ke5HR {80}
   2386418   3.435   0.31 15.  1...Kf6 2.Ke3 Ke5 3.Kf3 Kd5 4.Ke3 Kd6 5.Ke2 Ke6
                               6.Ke3 Ke5 7.Kf3 Kd5 8.Ke3 Kd6 9.Ke2 Ke6 10.Ke3
                               Ke5 {80}
   5194002   6.995   0.32 16t  1...Kf6 2.Ke3 Ke7 3.Kf4 Ke6 4.Ke3 Kd6 5.Kf4 h5H
                               6.Kxf5H Kd5H 7.h4H f6H {HT} {0}
   5539824   7.440   0.32 16.  1...Kf6 2.Ke3 Ke7 3.Kf4 Ke6 4.Ke3 Kd6 5.Kf4 h5
                               6.Kxf5 Kd5 7.h4 f6 8.Kxf6H Ke4H {HT} {-80}
  11212312  14.597   0.41 17t  1...Kf6 2.Kf4 Ke6 3.Kf3 Ke5 4.Ke3 h5 5.Kf3 f4H
                               6.gxf4+H Kd5H {HT} {0}
  11812607  15.350   0.41 17.  1...Kf6 2.Kf4 Ke6 3.Kf3 Ke5 4.Ke3 h5 5.Kf3 f4
                               6.gxf4+ Kd5 7.Kg3H h4+H 8.Kxh4H Ke4H 9.Kh5H
                               Kxf4H 10.h4H {HT} {0}
  18954869  24.240   0.41 18t  1...Kf6 2.Kf4 Ke6 3.g4 fxg4 4.hxg4 Kf6 5.Kf3
                               Kg6H 6.Kf4H f6H 7.Ke4H Kg5H 8.Kd5H f5H 9.Ke5H
                               f4H {HT} {80}
  19819288  25.321   0.41 18.  1...Kf6 2.Kf4 Ke6 3.g4 fxg4 4.hxg4 Kf6 5.Kf3
                               Kg6 6.Kf4 f6 7.Ke4 Kg5 8.Kd5 f5 9.Ke5 f4 {HT}
                               {80}
  30798149  39.044   0.53 19t  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 f6 5.g4 fxg4+
                               6.hxg4 Kd5 7.Ke3 Ke6 8.Kf3 Ke7 9.Kf4 Kf8H
                               10.Kf5H {HT} {80}
  31394167  39.805   0.53 19.  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 f6 5.g4 fxg4+
                               6.hxg4 Kd5 7.Ke3 Ke6 8.Kf3 Ke7 9.Kf4 Kf8 10.Kf5
                               Kf7H 11.Kf4H Ke6H 12.Ke4H {80}
  45843501  57.689   0.53 20t  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 Kd6 5.h4H
                               Ke5H 6.Kf2H f4H 7.g4H Ke4H {HT} {80}
  46971586  59.098   0.53 20.  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 Kd6 5.h4 Ke5
                               6.Kf2 f4 7.g4 Ke4 {HT} {80}
  67131175  1:25.9   0.53 21t  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 Kd6 5.h4H
                               Ke5H 6.h5H f4H 7.g4H f6H 8.Kf2H {HT} {80}
  68829681  1:28.3   0.53 21.  1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 Kd6 5.h4 Ke5
                               6.h5 f4 7.g4 f6 8.Kf2 {HT} {80}
 109305703  2:19.9   0.93 22++ 1...Kf6 2.Kf4 Ke6 3.Ke3 Ke5 4.Kf3 h5 5.Ke3 f4+
                               6.Kd3 Kd5 7.g4 hxg4 8.Ke2 f6 9.h4 Ke4 10.h5 f3+
                               11.Kf2 f5 12.Kg1 f2+ 13.Kxf2 f4 14.h6 {HT} {80}



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