[ Test Suite swisstest3 | Hossa ]

Positions 51 - 60


[Diagram of position #51]

Test position #51

White to move


FEN :          8/8/2p1K1p1/2k5/p7/P4BpP/1Pb3P1/8 w - -
Avoid Move :    Kd7 
Position ID:  "ST3_51 - Endspiel L vs L"

 depth   value    time    nodes pv
    1    +1.00    0.00        2 1.Kf6 
   <1>   +1.00    0.00       34 1.Kf6 
    2    +0.93    0.00       55 1.Kf6 c2d3 
   <2>   +0.93    0.02      133 1.Kf6 c2d3 
    3    +0.95    0.02      196 1.Kf6 c2d3 2.h4 
! 3/3    +1.35    0.02      381 1.Kd7 
!   3    +1.47    0.02      491 1.Kd7 c2b3 2.f3xc6 
   <3>   +1.47    0.02      559 1.Kd7 c2b3 2.f3xc6 
    4    +1.41    0.02      826 1.Kd7 c2b3 2.f3xc6 Kd4 
   <4>   +1.41    0.02     1141 1.Kd7 c2b3 2.f3xc6 Kd4 
    5    +1.47    0.02     1925 1.Kd7 c2b3 2.f3xc6 g5 3.Kc7 
   <5>   +1.47    0.02     2622 1.Kd7 c2b3 2.f3xc6 g5 3.Kc7 
?   6    +0.57    0.05    12721 1.Kd7 Kc4 2.Kxc6 Kb3 3.Kb5 Kxb2 
                                4.Kb4 
   <6>   +0.57    0.07    22212 1.Kd7 Kc4 2.Kxc6 Kb3 3.Kb5 Kxb2 
                                4.Kb4 
    7    +0.53    0.07    26258 1.Kd7 Kc4 2.Kxc6 Kb3 3.Kb5 Kxb2 
                                4.Kb4 g5 
   <7>   +0.53    0.10    42389 1.Kd7 Kc4 2.Kxc6 Kb3 3.Kb5 Kxb2 
                                4.Kb4 g5 
    8    +0.61    0.13    57722 1.Kd7 c2f5 2.Kc7 Kc4 3.Kxc6 Kb3 
                                4.Kb5 f5d7 5.Ka5 Kxb2 6.Kb4 g5 
   <8>   +0.61    0.16    74823 1.Kd7 c2f5 2.Kc7 Kc4 3.Kxc6 Kb3 
                                4.Kb5 f5d7 5.Ka5 Kxb2 6.Kb4 g5 
    9    +0.72    0.17    90421 1.Kd7 c2f5 2.Kc7 Kc4 3.Kxc6 Kb3 
                                4.Kb5 f5d7 5.Ka5 Kxb2 6.Kb4 g5 
                                7.f3d5 
   <9>   +0.72    0.24   125980 1.Kd7 c2f5 2.Kc7 Kc4 3.Kxc6 Kb3 
                                4.Kb5 f5d7 5.Ka5 Kxb2 6.Kb4 g5 
                                7.f3d5 
?  10    -0.26    0.71   446458 1.Kd7 Kd4 2.h4 c2e4 3.f3xe4 Kxe4 
                                4.Ke6 Ke3 5.Kf6 Kf2 6.Kxg6 Kxg2 
                                7.h5 Kf3 
?2/10    +0.17    0.83   531304 1.f3e2 c2f5 2.Ke5 f5xh3 3.e2f3 h3f5 
                                4.Kf4 f5c2 5.Kxg3 c2d3 6.Kf4 Kd6 
  <10>   +0.17    0.91   588900 1.f3e2 c2f5 2.Ke5 f5xh3 3.e2f3 h3f5 
                                4.Kf4 f5c2 5.Kxg3 c2d3 6.Kf4 Kd6 
   11    +0.00    1.03   673775 1.f3e2 c2f5 2.Ke5 f5xh3 3.e2f3 h3f5 
                                4.Kf4 f5c2 5.Kxg3 Kc4 6.f3xc6 Kb3 
                                7.c6e8 Kxb2 8.e8xg6 c2xg6 
  <11>   +0.00    1.41   932241 1.f3e2 c2f5 2.Ke5 f5xh3 3.e2f3 h3f5 
                                4.Kf4 f5c2 5.Kxg3 Kc4 6.f3xc6 Kb3 
                                7.c6e8 Kxb2 8.e8xg6 c2xg6 
   12    -0.38    2.00  1336721 1.f3e2 c2e4 2.e2f1 e4d5 3.Kf6 Kd4 
                                4.Kxg6 Ke3 5.h4 Kf2 6.f1d3 Kxg2 
                                7.h5 Kf3 8.Kf6 
  <12>   -0.38    2.69  1804084 1.f3e2 c2e4 2.e2f1 e4d5 3.Kf6 Kd4 
                                4.Kxg6 Ke3 5.h4 Kf2 6.f1d3 Kxg2 
                                7.h5 Kf3 8.Kf6 
?3/13    -0.36    8.80  5947127 1.Kd7 Kd4 2.Kxc6 c2e4 3.f3xe4 Kxe4 
                                4.Kb5 Ke3 5.Kxa4 Kf2 6.b4 Kxg2 
                                7.b5 Kxh3 8.b6 g2 9.b7 g2g1Q 
                                10.b7b8Q g1d4 11.b8b4 d4a7 12.Kb3 g5 
  <13>   -0.36    8.80  5947139 1.Kd7 Kd4 2.Kxc6 c2e4 3.f3xe4 Kxe4 
                                4.Kb5 Ke3 5.Kxa4 Kf2 6.b4 Kxg2 
                                7.b5 Kxh3 8.b6 g2 9.b7 g2g1Q 
                                10.b7b8Q g1d4 11.b8b4 d4a7 12.Kb3 g5 
 4/14    -0.05   19.49 13343269 1.h4 Kc4 2.f3xc6 Kb3 3.Kf6 Kxb2 
                                4.c6xa4 c2xa4 5.Kxg6 Kxa3 6.Kg5 a4d7 
                                7.h5 Kb3 8.Kh4 Kc4 9.Kxg3 Kd5 
  <14>   -0.05   20.50 14068697 1.h4 Kc4 2.f3xc6 Kb3 3.Kf6 Kxb2 
                                4.c6xa4 c2xa4 5.Kxg6 Kxa3 6.Kg5 a4d7 
                                7.h5 Kb3 8.Kh4 Kc4 9.Kxg3 Kd5 
   15    +0.00   26.47 18268918 1.h4 Kc4 2.f3xc6 Kb3 3.Kf6 Kxb2 
                                4.c6xa4 c2xa4 5.Kxg6 Kxa3 6.Kg5 a4d7 
                                7.h5 d7c6 8.Kh4 c6xg2 9.Kxg3 g2d5 
                                10.h6 d5e4 11.h7 e4xh7 
  <15>   +0.00   35.78 24225180 1.h4 Kc4 2.f3xc6 Kb3 3.Kf6 Kxb2 
                                4.c6xa4 c2xa4 5.Kxg6 Kxa3 6.Kg5 a4d7 
                                7.h5 d7c6 8.Kh4 c6xg2 9.Kxg3 g2d5 
                                10.h6 d5e4 11.h7 e4xh7 
   16    +0.00   49.46 33600904 1.h4 Kc4 2.f3xc6 Kb3 3.Kf6 Kxb2 
                                4.c6xa4 c2xa4 5.Kxg6 Kxa3 6.Kg5 a4d7 
                                7.h5 d7e6 8.Kh4 e6f7 9.Kxg3 f7xh5 
                                10.Kf4 Kb3 11.Kg3 
  <16>   +0.00    1:00 40292974 1.h4 Kc4 2.f3xc6 Kb3 3.Kf6 Kxb2 
                                4.c6xa4 c2xa4 5.Kxg6 Kxa3 6.Kg5 a4d7 
                                7.h5 d7e6 8.Kh4 e6f7 9.Kxg3 f7xh5 
                                10.Kf4 Kb3 11.Kg3 

Computed move :   h4
NPS:              671549
solution found [32/51], time: 19.49, points: 14, nodes: 14068697!
[Diagram of position #52]

Test position #52

Black to move


FEN :          B7/p5p1/8/4p3/1P4bP/k1K3P1/8/8 b - -
Avoid Move :    Bf5 
Position ID:  "ST3_52 - Endspiel L vs L"

 depth   value    time    nodes pv
    1    +0.65    0.00        2 1... Ka4 
   <1>   +0.65    0.00       18 1... Ka4 
    2    +0.28    0.00       44 1... Ka4 2.a8e4 
   <2>   +0.28    0.00      116 1... Ka4 2.a8e4 
    3    +0.00    0.01      284 1... Ka4 2.a8c6 Ka3 3.c6a8 Ka4 
                                4.a8c6 Ka3 5.c6a8 Ka4 
  2/3    +0.26    0.01      391 1... a6 2.a8e4 Ka4 
  3/3    +0.58    0.01      484 1... g4f5 2.a8d5 e4 
   <3>   +0.58    0.01      600 1... g4f5 2.a8d5 e4 
    4    +0.37    0.01      789 1... g4f5 2.a8d5 e4 3.b5 
   <4>   +0.37    0.01     1269 1... g4f5 2.a8d5 e4 3.b5 
    5    +0.27    0.01     1856 1... g4f5 2.a8d5 e4 3.Kd4 f5g4 
                                4.Kxe4 Kxb4 
   <5>   +0.27    0.03     3164 1... g4f5 2.a8d5 e4 3.Kd4 f5g4 
                                4.Kxe4 Kxb4 
    6    +0.28    0.03     4591 1... g4f5 2.a8d5 e4 3.Kd4 Kxb4 
                                4.d5xe4 f5g4 
   <6>   +0.28    0.03     6283 1... g4f5 2.a8d5 e4 3.Kd4 Kxb4 
                                4.d5xe4 f5g4 
    7    +0.25    0.04    11811 1... g4f5 2.a8d5 f5g6 3.d5c6 g6h5 
                                4.b5 h5g4 
   <7>   +0.25    0.06    20381 1... g4f5 2.a8d5 f5g6 3.d5c6 g6h5 
                                4.b5 h5g4 
    8    +0.28    0.08    31278 1... g4f5 2.a8d5 e4 3.g4 f5h7 
                                4.Kd4 Kxb4 5.d5xe4 h7xe4 6.Kxe4 a5 
   <8>   +0.28    0.09    32946 1... g4f5 2.a8d5 e4 3.g4 f5h7 
                                4.Kd4 Kxb4 5.d5xe4 h7xe4 6.Kxe4 a5 
    9    +0.23    0.11    48123 1... g4f5 2.a8d5 e4 3.g4 f5h7 
                                4.Kd4 Kxb4 5.d5xe4 h7xe4 6.Kxe4 a5 
                                7.Ke5 
   <9>   +0.23    0.15    73519 1... g4f5 2.a8d5 e4 3.g4 f5h7 
                                4.Kd4 Kxb4 5.d5xe4 h7xe4 6.Kxe4 a5 
                                7.Ke5 
   10    +0.25    0.31   173752 1... g4f5 2.b5 Ka4 3.a8c6 Ka5 
                                4.Kc4 f5e6 5.Kc5 e6f7 6.b6 a7xb6 
                                7.Kd6 e4 8.c6xe4 
  <10>   +0.25    0.34   197434 1... g4f5 2.b5 Ka4 3.a8c6 Ka5 
                                4.Kc4 f5e6 5.Kc5 e6f7 6.b6 a7xb6 
                                7.Kd6 e4 8.c6xe4 
   11    +0.28    0.48   291722 1... g4f5 2.b5 Ka4 3.a8c6 Ka5 
                                4.Kc4 Kb6 5.Kd5 e4 6.Kd4 a5 
                                7.c6xe4 f5xe4 8.Kxe4 Kxb5 
  <11>   +0.28    0.58   348655 1... g4f5 2.b5 Ka4 3.a8c6 Ka5 
                                4.Kc4 Kb6 5.Kd5 e4 6.Kd4 a5 
                                7.c6xe4 f5xe4 8.Kxe4 Kxb5 
   12    +0.32    0.81   510099 1... g4f5 2.b5 Ka4 3.a8c6 Ka5 
                                4.Kc4 Kb6 5.Kd5 e4 6.Kd4 a5 
                                7.Ke3 a4 8.c6e8 
  <12>   +0.32    1.04   672541 1... g4f5 2.b5 Ka4 3.a8c6 Ka5 
                                4.Kc4 Kb6 5.Kd5 e4 6.Kd4 a5 
                                7.Ke3 a4 8.c6e8 
   13    +0.39    2.42  1603373 1... g4f5 2.a8d5 e4 3.g4 f5h7 
                                4.b5 e3 5.d5f3 Ka4 6.b6 a7xb6 
                                7.Kd4 b5 8.f3d1 Ka5 9.Kxe3 
  <13>   +0.39    2.98  2017791 1... g4f5 2.a8d5 e4 3.g4 f5h7 
                                4.b5 e3 5.d5f3 Ka4 6.b6 a7xb6 
                                7.Kd4 b5 8.f3d1 Ka5 9.Kxe3 
   14    +0.17    8.15  5592049 1... g4f5 2.a8d5 f5d7 3.d5b7 Ka4 
                                4.b7e4 Kb5 5.e4d3 Kb6 6.d3e4 d7g4 
                                7.Kc4 g4e2 8.Kd5 Kb5 9.Kxe5 a6 
                                10.e4g6 Kxb4 
  <14>   +0.17   11.59  8103775 1... g4f5 2.a8d5 f5d7 3.d5b7 Ka4 
                                4.b7e4 Kb5 5.e4d3 Kb6 6.d3e4 d7g4 
                                7.Kc4 g4e2 8.Kd5 Kb5 9.Kxe5 a6 
                                10.e4g6 Kxb4 
   15    +0.15   17.09 11939374 1... g4f5 2.a8d5 f5d7 3.d5f3 d7e6 
                                4.f3e4 e6f7 5.g4 f7e6 6.g5 e6g4 
                                7.e4d5 g4e2 8.d5e4 a6 9.g6 e2g4 
  <15>   +0.15   21.97 15517881 1... g4f5 2.a8d5 f5d7 3.d5f3 d7e6 
                                4.f3e4 e6f7 5.g4 f7e6 6.g5 e6g4 
                                7.e4d5 g4e2 8.d5e4 a6 9.g6 e2g4 
   16    +0.11   36.33 25467525 1... g4f5 2.a8d5 f5d7 3.d5f3 d7e6 
                                4.g4 e6a2 5.f3c6 a2b3 6.g5 b3d1 
                                7.b5 d1e2 8.c6d7 e4 9.d7c6 e2d3 
                                10.Kd4 a5 
  <16>   +0.11   46.98 33159636 1... g4f5 2.a8d5 f5d7 3.d5f3 d7e6 
                                4.g4 e6a2 5.f3c6 a2b3 6.g5 b3d1 
                                7.b5 d1e2 8.c6d7 e4 9.d7c6 e2d3 
                                10.Kd4 a5 
  <17>   +0.11    1:00 42181593 1... g4f5 2.a8d5 f5d7 3.d5f3 d7e6 
                                4.g4 e6d7 5.h5 e4 6.f3e2 d7e6 

Computed move :   g4f5
NPS:              703026
no solution found [:-( [32/52]!
[Diagram of position #53]

Test position #53

White to move


FEN :          3k4/p4pp1/5b2/1p1P3p/2p1PB2/2P3P1/KP4P1/8 w - b6
Avoid Move :    e5 
Position ID:  "ST3_53 - Endspiel L vs L"

 depth   value    time    nodes pv
    1    +0.40    0.00        2 1.d6 
   <1>   +0.40    0.00       28 1.d6 
  3/2    +0.07    0.00      104 1.f4e3 a6 
   <2>   +0.07    0.00      200 1.f4e3 a6 
    3    +0.36    0.00      345 1.f4e3 f6e5 2.e3xa7 e5xg3 
! 4/3    +0.49    0.00      542 1.e5 
!   3    +0.71    0.00      632 1.e5 f6e7 2.d6 
   <3>   +0.71    0.01      742 1.e5 f6e7 2.d6 
    4    +0.82    0.01     1082 1.e5 f6e7 2.d6 e7f8 
   <4>   +0.82    0.01     1563 1.e5 f6e7 2.d6 e7f8 
    5    +0.96    0.01     2273 1.e5 f6e7 2.d6 e7f8 3.b4 
   <5>   +0.96    0.01     3466 1.e5 f6e7 2.d6 e7f8 3.b4 
    6    +0.87    0.01     4831 1.e5 f6e7 2.d6 e7f8 3.f4e3 a6 
   <6>   +0.87    0.03     6880 1.e5 f6e7 2.d6 e7f8 3.f4e3 a6 
    7    +0.49    0.03     9671 1.e5 f6e7 2.d6 e7f8 3.f4e3 a6 
                                4.e3b6 Kd7 5.b4 
   <7>   +0.49    0.04    18189 1.e5 f6e7 2.d6 e7f8 3.f4e3 a6 
                                4.e3b6 Kd7 5.b4 
    8    +0.75    0.06    24577 1.e5 f6e7 2.d6 e7f8 3.f4e3 a6 
                                4.g4 h5xg4 5.b4 
   <8>   +0.75    0.08    30492 1.e5 f6e7 2.d6 e7f8 3.f4e3 a6 
                                4.g4 h5xg4 5.b4 
?   9    +0.27    0.23   111088 1.e5 f6e7 2.f4e3 a6 3.d6 e7f8 
                                4.Ka3 Kd7 5.e3c5 a5 
   <9>   +0.27    0.26   130753 1.e5 f6e7 2.f4e3 a6 3.d6 e7f8 
                                4.Ka3 Kd7 5.e3c5 a5 
   10    +0.29    0.33   169220 1.e5 f6e7 2.f4e3 a6 3.d6 e7f8 
                                4.Kb1 f6 5.e5xf6 g7xf6 6.e3c5 Kd7 
  <10>   +0.29    0.39   203443 1.e5 f6e7 2.f4e3 a6 3.d6 e7f8 
                                4.Kb1 f6 5.e5xf6 g7xf6 6.e3c5 Kd7 
   11    +0.09    0.61   330153 1.e5 f6e7 2.f4e3 a6 3.Kb1 Kd7 
                                4.Kc2 f6 5.e5xf6 e7xf6 6.e3f4 g5 
                                7.f4e3 
  <11>   +0.09    0.89   497507 1.e5 f6e7 2.f4e3 a6 3.Kb1 Kd7 
                                4.Kc2 f6 5.e5xf6 e7xf6 6.e3f4 g5 
                                7.f4e3 
   12    +0.02    1.31   757842 1.e5 f6e7 2.f4e3 a6 3.Kb1 Kd7 
                                4.Kc2 f6 5.e3f4 f6xe5 6.f4xe5 e7f6 
                                7.e5f4 g5 8.f4b8 Kc8 9.b8a7 
  <12>   +0.02    2.00  1164436 1.e5 f6e7 2.f4e3 a6 3.Kb1 Kd7 
                                4.Kc2 f6 5.e3f4 f6xe5 6.f4xe5 e7f6 
                                7.e5f4 g5 8.f4b8 Kc8 9.b8a7 
   13    +0.02    2.48  1476498 1.e5 f6e7 2.f4e3 a6 3.Kb1 Kd7 
                                4.Kc2 f6 5.e3f4 f6xe5 6.f4xe5 e7f6 
                                7.e5f4 g5 
  <13>   +0.02    3.20  1920565 1.e5 f6e7 2.f4e3 a6 3.Kb1 Kd7 
                                4.Kc2 f6 5.e3f4 f6xe5 6.f4xe5 e7f6 
                                7.e5f4 g5 
   14    -0.26    5.84  3731587 1.e5 g5 2.e5xf6 g5xf4 3.g3xf4 Kd7 
                                4.b3 Kd6 5.b3xc4 b5xc4 6.Ka3 Kxd5 
                                7.Kb4 Ke4 8.Kc5 Kxf4 9.Kxc4 Kf5 
                                10.Kb5 
 3/14    -0.03    9.03  5678509 1.Kb1 Kd7 2.Kc2 f6e7 3.e5 e7c5 
                                4.f4g5 a5 5.g5f4 a4 6.f4g5 c5f2 
                                7.g5f4 Ke7 8.f4g5 Kd7 9.g5f4 Ke7 
                                10.f4g5 
  <14>   -0.03   10.83  6779352 1.Kb1 Kd7 2.Kc2 f6e7 3.e5 e7c5 
                                4.f4g5 a5 5.g5f4 a4 6.f4g5 c5f2 
                                7.g5f4 Ke7 8.f4g5 Kd7 9.g5f4 Ke7 
                                10.f4g5 
   15    -0.14   16.48 10225853 1.Kb1 Kd7 2.Kc2 f6e7 3.e5 a6 
                                4.Kd2 g5 5.f4e3 f6 6.e5xf6 e7xf6 
                                7.g4 h5xg4 8.e3c5 f6e7 9.c5xe7 Kxe7 
                                10.Ke3 
 7/15    -0.13   23.67 14803781 1.f4b8 a6 2.e5 f6e7 3.d6 e7g5 
                                4.Ka3 Kd7 5.b8c7 f6 6.e5xf6 g5xf6 
                                7.Kb4 f6e5 8.g4 e5xd6 9.c7xd6 Kxd6 
                                10.g4xh5 Kd5 11.g3 
  <15>   -0.13   53.04 35102789 1.f4b8 a6 2.e5 f6e7 3.d6 e7g5 
                                4.Ka3 Kd7 5.b8c7 f6 6.e5xf6 g5xf6 
                                7.Kb4 f6e5 8.g4 e5xd6 9.c7xd6 Kxd6 
                                10.g4xh5 Kd5 11.g3 
  <16>   -0.13    1:00 39505389 1.f4b8 a6 2.e5 f6e7 3.d6 e7g5 
                                4.Ka3 

Computed move :   f4b8
NPS:              658313
solution found [33/53], time: 9.03, points: 18, nodes: 6779352!
[Diagram of position #54]

Test position #54

White to move


FEN :          6k1/4b3/4p1p1/8/6pP/4PN2/5K2/8 w - -
Avoid Move :    Ng5 
Position ID:  "ST3_54 - Endspiel S vs L"

 depth   value    time    nodes pv
    1    -2.54    0.00        7 1.f3e5 e7xh4 2.Kg2 
 15/1    -2.01    0.00       77 1.f3g5 e7xg5 2.h4xg5 
   <1>   -2.01    0.00       77 1.f3g5 e7xg5 2.h4xg5 
    2    -2.01    0.01       97 1.f3g5 e7xg5 
   <2>   -2.01    0.01      153 1.f3g5 e7xg5 
    3    -2.33    0.01      235 1.f3g5 e7xg5 2.h4xg5 Kf7 
! 2/3    -1.59    0.01      461 1.f3e5 
!   3    -1.30    0.01      620 1.f3e5 e7xh4 2.Kg2 g3 3.e5xg6 
   <3>   -1.30    0.01      743 1.f3e5 e7xh4 2.Kg2 g3 3.e5xg6 
    4    -1.38    0.01     1158 1.f3e5 e7xh4 2.Kg2 g3 3.e5xg6 h4g5 
                                4.Kxg3 g5xe3 
  5/4    -1.30    0.03     1840 1.f3g5 e7xg5 2.h4xg5 Kf7 3.Kg3 
   <4>   -1.30    0.03     2015 1.f3g5 e7xg5 2.h4xg5 Kf7 3.Kg3 
    5    -1.14    0.03     3037 1.f3g5 e5 2.Kg3 e7c5 3.g5e4 c5xe3 
                                4.Kxg4 
   <5>   -1.14    0.03     3839 1.f3g5 e5 2.Kg3 e7c5 3.g5e4 c5xe3 
                                4.Kxg4 
!   6    -0.72    0.04     6404 1.f3g5 
!   6    -0.27    0.04    10006 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.e4 
   <6>   -0.27    0.04    10910 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.e4 
    7    -0.31    0.06    19565 1.f3g5 e7d6 2.g5xe6 d6e5 3.e6f4 e5xf4 
                                4.e3xf4 Kh7 
   <7>   -0.31    0.08    20979 1.f3g5 e7d6 2.g5xe6 d6e5 3.e6f4 e5xf4 
                                4.e3xf4 Kh7 
    8    -0.15    0.09    31759 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.e4g3 Kf6 
   <8>   -0.15    0.09    32028 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.e4g3 Kf6 
    9    -0.23    0.11    48896 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.Kg2 Ke6 6.e4g3 e5c3 
   <9>   -0.23    0.12    58579 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.Kg2 Ke6 6.e4g3 e5c3 
   10    -0.35    0.17    90610 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.e4c5 Kf7 6.c5d3 Ke6 
                                7.d3xe5 
  <10>   -0.35    0.20   108735 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.e4c5 Kf7 6.c5d3 Ke6 
                                7.d3xe5 
   11    -0.18    0.28   168735 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.e4g3 e5f6 6.h5 g6xh5 
                                7.g3xh5 f6c3 8.h5g3 
  <11>   -0.18    0.37   246699 1.f3g5 e7d6 2.g5xe6 Kf7 3.e6g5 Ke7 
                                4.g5e4 d6e5 5.e4g3 e5f6 6.h5 g6xh5 
                                7.g3xh5 f6c3 8.h5g3 
   12    -0.06    0.72   519045 1.f3g5 e7d6 2.g5e4 d6e5 3.Kg2 Kg7 
                                4.e4f2 g3 5.f2e4 Kh6 6.e4xg3 g5 
                                7.h4xg5 Kxg5 8.Kf3 
  <12>   -0.06    0.97   734882 1.f3g5 e7d6 2.g5e4 d6e5 3.Kg2 Kg7 
                                4.e4f2 g3 5.f2e4 Kh6 6.e4xg3 g5 
                                7.h4xg5 Kxg5 8.Kf3 
?  13    -2.08    2.89  2397585 1.f3g5 e7xg5 2.h4xg5 Kf7 3.Kg3 Ke7 
                                4.Kxg4 Kd6 5.e4 Ke5 6.Kf3 Kd4 
                                7.Kf4 e5 8.Kf3 Kd3 9.Kg3 Kxe4 
                                10.Kg4 
?2/13    -1.31    4.11  3434755 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.e4 e1d2 5.Kf3 d2c3 6.e5 c3d2 
                                7.g4f6 Kh6 8.f6e4 d2b4 9.Ke3 
  <13>   -1.31    4.42  3678938 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.e4 e1d2 5.Kf3 d2c3 6.e5 c3d2 
                                7.g4f6 Kh6 8.f6e4 d2b4 9.Ke3 
   14    -1.26    6.68  5656130 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 Kf7 5.Ke4 e1c3 6.Kf3 g5 
  <14>   -1.26    7.25  6118863 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 Kf7 5.Ke4 e1c3 6.Kf3 g5 
   15    -1.27   10.48  8988113 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 Kf7 5.Ke4 e1c3 6.Kf3 g5 
                                7.g4f2 Kg6 8.f2e4 c3e5 9.Kg4 e5f6 
                                10.e4c5 Kf7 
  <15>   -1.27   11.81 10100905 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 Kf7 5.Ke4 e1c3 6.Kf3 g5 
                                7.g4f2 Kg6 8.f2e4 c3e5 9.Kg4 e5f6 
                                10.e4c5 Kf7 
   16    -1.37   19.33 16876137 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 g5 5.Ke4 e1c3 6.Kd3 c3a1 
                                7.Ke2 Kg6 8.Kf3 a1c3 9.Ke4 Kh5 
                                10.Kf3 Kh4 
  <16>   -1.37   22.70 19714270 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 g5 5.Ke4 e1c3 6.Kd3 c3a1 
                                7.Ke2 Kg6 8.Kf3 a1c3 9.Ke4 Kh5 
                                10.Kf3 Kh4 
   17    -1.37   32.28 28522621 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 g5 5.Ke4 e1c3 6.Kd3 c3a1 
                                7.Ke2 Kg6 8.Kf3 a1c3 9.Ke4 Kh5 
                                10.Kf3 Kh4 11.e4 e5 
  <17>   -1.37   36.78 32407185 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e1 
                                4.Kf3 g5 5.Ke4 e1c3 6.Kd3 c3a1 
                                7.Ke2 Kg6 8.Kf3 a1c3 9.Ke4 Kh5 
                                10.Kf3 Kh4 11.e4 e5 
  <18>   -1.37    1:00 53167051 1.f3e5 e7xh4 2.Kg2 Kg7 3.e5xg4 h4e7 
                                4.Kf3 g5 5.g4e5 e7d6 6.e5d7 Kf7 
                                7.d7b6 d6b4 8.b6d7 Ke7 

Computed move :   f3e5
NPS:              886117
solution found [34/54], time: 4.11, points: 20, nodes: 3678938!
[Diagram of position #55]

Test position #55

Black to move


FEN :          8/8/4b3/p1n5/N4k2/K1P5/2P5/8 b - -
Avoid Move :    Ne4 
Position ID:  "ST3_55 - Endspiel S&B vs L&S"

 depth   value    time    nodes pv
    1    +3.56    0.00        2 1... c5e4 
   <1>   +3.56    0.00       38 1... c5e4 
    2    +3.53    0.00       50 1... c5e4 2.Kb2 
   <2>   +3.53    0.00      113 1... c5e4 2.Kb2 
    3    +3.89    0.00      164 1... c5e4 2.Kb2 e6c4 
   <3>   +3.89    0.00      715 1... c5e4 2.Kb2 e6c4 
    4    +3.85    0.00      845 1... c5e4 2.Kb2 e6c4 3.a4b6 
   <4>   +3.85    0.01     1605 1... c5e4 2.Kb2 e6c4 3.a4b6 
    5    +3.69    0.01     2795 1... c5e4 2.Kb2 e4f2 3.a4c5 e6c4 
   <5>   +3.69    0.01     4526 1... c5e4 2.Kb2 e4f2 3.a4c5 e6c4 
    6    +3.74    0.01     7038 1... c5e4 2.Kb2 e4f2 3.a4c5 e6c4 
                                4.c5d3 c4xd3 5.c2xd3 f2xd3 6.Kb3 
   <6>   +3.74    0.03    11988 1... c5e4 2.Kb2 e4f2 3.a4c5 e6c4 
                                4.c5d3 c4xd3 5.c2xd3 f2xd3 6.Kb3 
    7    +3.68    0.05    21101 1... c5e4 2.Kb2 e4f2 3.Kb1 Ke5 
                                4.a4b6 f2e4 
   <7>   +3.68    0.06    32565 1... c5e4 2.Kb2 e4f2 3.Kb1 Ke5 
                                4.a4b6 f2e4 
    8    +3.60    0.08    44676 1... c5e4 2.Kb2 e4f2 3.Kb1 Ke5 
                                4.a4b6 f2e4 5.Kb2 e6g4 
   <8>   +3.60    0.11    70158 1... c5e4 2.Kb2 e4f2 3.Kb1 Ke5 
                                4.a4b6 f2e4 5.Kb2 e6g4 
    9    +3.60    0.19   125854 1... c5e4 2.Kb2 e6c4 3.a4b6 c4e2 
                                4.c4 Ke5 5.Kb3 e4c5 6.Kc3 a4 
   <9>   +3.60    0.26   179078 1... c5e4 2.Kb2 e6c4 3.a4b6 c4e2 
                                4.c4 Ke5 5.Kb3 e4c5 6.Kc3 a4 
!  10    +4.02    0.39   284879 1... c5e4 
!  10    +4.14    0.65   475582 1... c5e4 2.c4 e6xc4 3.a4b2 c4b5 
                                4.c4 b5e8 5.b2a4 Ke3 6.c5 e8c6 
  <10>   +4.14    0.78   586105 1... c5e4 2.c4 e6xc4 3.a4b2 c4b5 
                                4.c4 b5e8 5.b2a4 Ke3 6.c5 e8c6 
   11    +4.20    1.01   771745 1... c5e4 2.c4 e6xc4 3.a4b2 c4b5 
                                4.c4 b5e8 5.b2a4 e4d2 6.a4b6 Ke5 
                                7.Kb2 e8c6 
  <11>   +4.20    1.31  1031607 1... c5e4 2.c4 e6xc4 3.a4b2 c4b5 
                                4.c4 b5e8 5.b2a4 e4d2 6.a4b6 Ke5 
                                7.Kb2 e8c6 
   12    +4.15    3.78  3189864 1... c5e4 2.Kb2 Ke5 3.Ka3 Kd6 
                                4.c4 e6xc4 5.a4b2 c4b5 6.c4 b5c6 
                                7.b2a4 e4d2 8.a4b6 
  <12>   +4.15    4.58  3894593 1... c5e4 2.Kb2 Ke5 3.Ka3 Kd6 
                                4.c4 e6xc4 5.a4b2 c4b5 6.c4 b5c6 
                                7.b2a4 e4d2 8.a4b6 
   13    +4.19    8.26  7250330 1... c5e4 2.a4b6 e4xc3 3.Kb2 c3e4 
                                4.Ka3 e4c5 5.c4 Ke5 6.b6a4 c5e4 
                                7.c5 e6d5 8.Kb2 d5c6 9.Kb3 
  <13>   +4.19    9.78  8604170 1... c5e4 2.a4b6 e4xc3 3.Kb2 c3e4 
                                4.Ka3 e4c5 5.c4 Ke5 6.b6a4 c5e4 
                                7.c5 e6d5 8.Kb2 d5c6 9.Kb3 
   14    +4.18   17.34 16061847 1... c5e4 2.a4b2 e4xc3 3.b2d3 Ke3 
                                4.d3c5 e6f5 5.Kb2 c3b5 6.c4 b5d4 
                                7.c5a4 f5d3 8.c5 d4c6 9.Kc3 Ke4 
  <14>   +4.18   21.40 19686622 1... c5e4 2.a4b2 e4xc3 3.b2d3 Ke3 
                                4.d3c5 e6f5 5.Kb2 c3b5 6.c4 b5d4 
                                7.c5a4 f5d3 8.c5 d4c6 9.Kc3 Ke4 
   15    +4.06   32.78 30815853 1... c5e4 2.a4b2 e4xc3 3.b2d3 Ke3 
                                4.d3c5 e6f5 5.Kb2 c3d5 6.c5b7 a4 
                                7.c4 d5b6 8.b7d6 f5d7 9.c5 b6d5 
                                10.Ka3 d7c6 
  <15>   +4.06   41.70 38698564 1... c5e4 2.a4b2 e4xc3 3.b2d3 Ke3 
                                4.d3c5 e6f5 5.Kb2 c3d5 6.c5b7 a4 
                                7.c4 d5b6 8.b7d6 f5d7 9.c5 b6d5 
                                10.Ka3 d7c6 
  <16>   +4.06    1:00 57723582 1... c5e4 2.a4b2 e4xc3 3.b2d3 Ke3 
                                4.d3c5 e6f5 5.Kb2 c3d5 6.c5b7 a4 
                                7.c4 d5b6 8.b7d6 f5d7 9.c5 b6d5 
                                10.d6c4 

Computed move :   c5e4
NPS:              962059
no solution found [:-( [34/55]!
[Diagram of position #56]

Test position #56

Black to move


FEN :          5k2/5ppp/8/1R2PP2/1P6/3K4/1r6/8 b - -
Avoid Move :    g5 
Position ID:  "ST3_56 - Endspiel T vs T"

 depth   value    time    nodes pv
    1    +0.70    0.00        2 1... g5 
   <1>   +0.70    0.00       60 1... g5 
    2    +0.44    0.00       85 1... g5 2.e6 
   <2>   +0.44    0.00      210 1... g5 2.e6 
    3    +0.45    0.00      427 1... g5 2.f5xg6 h7xg6 
   <3>   +0.45    0.00      800 1... g5 2.f5xg6 h7xg6 
    4    +0.16    0.02     1473 1... g5 2.f5xg6 h7xg6 3.b5b8 Ke7 
                                4.b5 
   <4>   +0.16    0.02     2545 1... g5 2.f5xg6 h7xg6 3.b5b8 Ke7 
                                4.b5 
  5/5    -0.12    0.05    21240 1... b2f2 2.e6 f7xe6 3.f5xe6 f2b2 
   <5>   -0.12    0.07    25605 1... b2f2 2.e6 f7xe6 3.f5xe6 f2b2 
    6    -0.21    0.08    34769 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Kc3 d2d8 5.Kc4 
   <6>   -0.21    0.11    47882 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Kc3 d2d8 5.Kc4 
    7    -0.25    0.16    74080 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Kc3 d2d1 5.b5b8 Ke7 6.b8h8 h6 
   <7>   -0.25    0.24   114454 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Kc3 d2d1 5.b5b8 Ke7 6.b8h8 h6 
    8    -0.16    0.36   193018 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Kc3 d2e2 5.b5b8 Ke7 6.b8h8 e2xe5 
                                7.h8xh7 
   <8>   -0.16    0.41   219753 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Kc3 d2e2 5.b5b8 Ke7 6.b8h8 e2xe5 
                                7.h8xh7 
    9    -0.23    0.69   379473 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Ke3 d2d1 5.b5b8 Ke7 6.b8h8 h6 
                                7.b5 d1b1 
   <9>   -0.23    0.96   535240 1... b2f2 2.Ke4 f2e2 3.Kd4 e2d2 
                                4.Ke3 d2d1 5.b5b8 Ke7 6.b8h8 h6 
                                7.b5 d1b1 
   10    -0.33    1.80  1044285 1... b2f2 2.Ke4 g6 3.b5b8 Ke7 
                                4.f6 Kd7 5.b8b7 Ke8 6.b5 f2e2 
                                7.Kd4 e2d2 8.Kc3 d2d7 9.b7b8 d7d8 
                                10.b8b7 
  <10>   -0.33    2.36  1384643 1... b2f2 2.Ke4 g6 3.b5b8 Ke7 
                                4.f6 Kd7 5.b8b7 Ke8 6.b5 f2e2 
                                7.Kd4 e2d2 8.Kc3 d2d7 9.b7b8 d7d8 
                                10.b8b7 
   11    -0.47    3.69  2196951 1... b2f2 2.Ke4 f2e2 3.Kd5 e2d2 
                                4.Kc6 d2e2 5.Kd6 e2d2 6.b5d5 d2b2 
                                7.b5 h5 8.e6 g5 9.e6xf7 Kxf7 
  <11>   -0.47    5.21  3165576 1... b2f2 2.Ke4 f2e2 3.Kd5 e2d2 
                                4.Kc6 d2e2 5.Kd6 e2d2 6.b5d5 d2b2 
                                7.b5 h5 8.e6 g5 9.e6xf7 Kxf7 
 2/12    -0.61   49.08 29982060 1... b2b3 2.Ke4 h5 3.f6 g7xf6 
                                4.e5xf6 Ke8 5.Kd5 b3b1 6.Kc4 b1c1 
                                7.Kd3 c1f1 8.b5e5 Kf8 9.e5xh5 f1xf6 
                                10.b5 Ke7 
  <12>   -0.61   55.32 33859319 1... b2b3 2.Ke4 h5 3.f6 g7xf6 
                                4.e5xf6 Ke8 5.Kd5 b3b1 6.Kc4 b1c1 
                                7.Kd3 c1f1 8.b5e5 Kf8 9.e5xh5 f1xf6 
                                10.b5 Ke7 
  <13>   -0.61    1:00 36761722 1... b2b3 2.Ke4 h5 3.f6 g7xf6 
                                4.e5xf6 Ke8 5.Kd5 h4 6.b5b8 Kd7 
                                7.b8f8 b3d3 8.Ke5 d3e3 

Computed move :   b2b3
NPS:              612491
solution found [35/56], time: 0.05, points: 25, nodes: 25605!
[Diagram of position #57]

Test position #57

White to move


FEN :          8/4k3/1R6/5p1p/3K1Pp1/P5r1/1P6/8 w - -
Avoid Move :    Rh6 
Position ID:  "ST3_57 - Endspiel T vs T"

 depth   value    time    nodes pv
    1    +0.46    0.00        2 1.b6g6 
   <1>   +0.46    0.00       49 1.b6g6 
  3/2    +0.22    0.00      170 1.b6h6 g3h3 
   <2>   +0.22    0.00      237 1.b6h6 g3h3 
    3    +0.19    0.00      455 1.b6h6 g3f3 2.Ke5 
  8/3    +0.44    0.00      763 1.Ke5 h4 2.b6b7 Ke8 3.Kxf5 
   <3>   +0.44    0.01      833 1.Ke5 h4 2.b6b7 Ke8 3.Kxf5 
    4    +0.44    0.01     1826 1.Ke5 h4 2.b6b7 Ke8 3.Kxf5 
! 2/4    +0.86    0.01     2472 1.b6h6 
!   4    +0.87    0.01     3030 1.b6h6 g3f3 2.Ke5 g3 3.h6xh5 
   <4>   +0.87    0.01     3506 1.b6h6 g3f3 2.Ke5 g3 3.h6xh5 
    5    +0.52    0.03     5732 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 g3 
   <5>   +0.52    0.03     9917 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 g3 
    6    +0.54    0.05    14184 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke4 g3 
  2/6    +0.79    0.06    21209 1.Ke5 h4 2.b6h6 g3b3 3.h6h7 Kd8 
                                4.h7h8 Kd7 5.h8xh4 
   <6>   +0.79    0.06    23271 1.Ke5 h4 2.b6h6 g3b3 3.h6h7 Kd8 
                                4.h7h8 Kd7 5.h8xh4 
    7    +0.67    0.11    44335 1.Ke5 g3e3 2.Kxf5 g3 3.b6h6 e3b3 
                                4.Ke5 b3b5 5.Ke4 h4 6.h6xh4 b5xb2 
   <7>   +0.67    0.12    56852 1.Ke5 g3e3 2.Kxf5 g3 3.b6h6 e3b3 
                                4.Ke5 b3b5 5.Ke4 h4 6.h6xh4 b5xb2 
    8    +0.58    0.20    92246 1.Ke5 g3e3 2.Kxf5 g3 3.b6h6 e3b3 
                                4.h6h7 Kd6 5.Ke4 b3xb2 6.h7h6 Kc5 
                                7.h6xh5 Kd6 
   <8>   +0.58    0.23   113415 1.Ke5 g3e3 2.Kxf5 g3 3.b6h6 e3b3 
                                4.h6h7 Kd6 5.Ke4 b3xb2 6.h7h6 Kc5 
                                7.h6xh5 Kd6 
    9    +0.36    0.47   245688 1.Ke5 g3e3 2.Kxf5 g3 3.b6g6 e3b3 
                                4.Ke4 h4 5.g6h6 g2 6.h6h7 Kd6 
                                7.h7h6 Kc5 
  4/9    +0.44    0.61   322815 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke5 d2e2 5.Kd5 e2d2 6.Ke4 d2e2 
                                7.Kd3 e2a2 8.f5g5 g3 
   <9>   +0.44    0.75   407805 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke5 d2e2 5.Kd5 e2d2 6.Ke4 d2e2 
                                7.Kd3 e2a2 8.f5g5 g3 
   10    +0.42    0.92   505000 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke5 d2e2 5.Kd5 e2f2 6.a4 g3 
                                7.a5 f2f3 
  <10>   +0.42    1.37   770925 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke5 d2e2 5.Kd5 e2f2 6.a4 g3 
                                7.a5 f2f3 
   11    +0.37    1.95  1136884 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke5 d2e2 5.Kd5 e2d2 6.Kc5 d2c2 
                                7.Kb5 c2b2 8.Kc4 b2c2 9.Kb4 
  <11>   +0.37    3.89  2298171 1.b6h6 g3b3 2.h6xh5 b3xb2 3.h5xf5 b2d2 
                                4.Ke5 d2e2 5.Kd5 e2d2 6.Kc5 d2c2 
                                7.Kb5 c2b2 8.Kc4 b2c2 9.Kb4 
   12    +0.01    8.42  5064212 1.b6h6 h4 2.Ke5 g3h3 3.h6h7 Kd8 
                                4.h7h5 g3 5.Kd6 Kc8 6.h5xf5 h3h1 
                                7.f5f8 Kb7 8.f8f7 Kb6 9.f7h7 
  <12>   +0.01   18.20 10872794 1.b6h6 h4 2.Ke5 g3h3 3.h6h7 Kd8 
                                4.h7h5 g3 5.Kd6 Kc8 6.h5xf5 h3h1 
                                7.f5f8 Kb7 8.f8f7 Kb6 9.f7h7 
   13    +0.00   22.67 13640495 1.b6h6 h4 2.Ke5 g3h3 3.h6h7 Kd8 
                                4.Kxf5 g3 5.h7g7 h3h1 6.a4 h1b1 
                                7.b4 b1xb4 8.Kg4 b4xa4 9.Kxh4 g2 
                                10.g7xg2 a4xf4 11.Kh3 
  <13>   +0.00   37.64 22813520 1.b6h6 h4 2.Ke5 g3h3 3.h6h7 Kd8 
                                4.Kxf5 g3 5.h7g7 h3h1 6.a4 h1b1 
                                7.b4 b1xb4 8.Kg4 b4xa4 9.Kxh4 g2 
                                10.g7xg2 a4xf4 11.Kh3 
  <14>   +0.00    1:00 36562657 1.b6h6 h4 2.Ke5 g3h3 3.h6h7 Kd8 
                                4.Kd6 Kc8 5.Kc6 Kd8 6.Kd6 

Computed move :   b6h6
NPS:              609377
no solution found [:-( [35/57]!
[Diagram of position #58]

Test position #58

Black to move


FEN :          8/2R4p/4k3/1p2P3/pP3PK1/r7/8/8 b - -
Avoid Move :    Rb3 
Position ID:  "ST3_58 - Endspiel T vs T"

 depth   value    time    nodes pv
    1    -0.88    0.00        3 1... a3e3 2.c7xh7 
  3/1    -0.17    0.00        7 1... h6 
  6/1    -0.04    0.00       17 1... a3b3 
   <1>   -0.04    0.00       47 1... a3b3 
    2    -0.23    0.00      102 1... a3b3 2.c7c6 Kd5 
   <2>   -0.23    0.00      224 1... a3b3 2.c7c6 Kd5 
    3    -0.19    0.00      556 1... a3b3 2.c7c6 Ke7 3.f5 b3xb4 
                                4.Kg5 
   <3>   -0.19    0.00      885 1... a3b3 2.c7c6 Ke7 3.f5 b3xb4 
                                4.Kg5 
    4    -0.19    0.01     1638 1... a3b3 2.c7c6 Ke7 3.f5 b3xb4 
   <4>   -0.19    0.01     2472 1... a3b3 2.c7c6 Ke7 3.f5 b3xb4 
    5    -0.15    0.03     8053 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.Kg5 
   <5>   -0.15    0.03    10769 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.Kg5 
    6    -0.36    0.05    13972 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6b6 a3 5.Kf3 
   <6>   -0.36    0.09    45206 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6b6 a3 5.Kf3 
    7    -0.01    0.12    57657 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.Kf3 b4b3 6.Ke4 Kc4 
   <7>   -0.01    0.14    65157 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.Kf3 b4b3 6.Ke4 Kc4 
    8    +0.00    0.20    94504 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.Kf3 b4b3 6.Ke4 b3b4 
                                7.Kf3 b4b3 8.Ke4 b3b4 9.Kf3 b4b3 
   <8>   +0.00    0.25   125426 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.Kf3 b4b3 6.Ke4 b3b4 
                                7.Kf3 b4b3 8.Ke4 b3b4 9.Kf3 b4b3 
                                10.Ke4 b3b4 11.Kf3 b4b3 12.Ke4 
    9    +0.00    0.40   210460 1... a3b3 2.c7xh7 b3xb4 3.Kf3 b4b3 
                                4.Ke4 b3b4 5.Ke3 b4b3 6.Ke4 b3b4 
                                7.Ke3 b4b3 8.Ke4 b3b4 
   <9>   +0.00    0.64   344058 1... a3b3 2.c7xh7 b3xb4 3.Kf3 b4b3 
                                4.Ke4 b3b4 5.Ke3 b4b3 6.Ke4 b3b4 
                                7.Ke3 b4b3 8.Ke4 b3b4 9.Ke3 b4b3 
                                10.Ke4 b3b4 11.Ke3 
   10    +0.00    1.26   698628 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Ke4 5.e6 Ke3 6.Kg3 b4xf4 
                                7.d6d3 Kxd3 8.Kxf4 a3 9.e7 a2 
                                10.e7e8Q a2a1Q 11.e8xb5 Kd2 
  <10>   +0.00    3.37  1867816 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Ke4 5.e6 Ke3 6.Kg3 b4xf4 
                                7.d6d3 Kxd3 8.Kxf4 a3 9.e7 a2 
                                10.e7e8Q a2a1Q 11.e8xb5 Kd2 
   11    +0.00    5.56  3098302 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Ke4 5.e6 Ke3 6.Kg3 b4xf4 
                                7.d6d3 Kxd3 8.Kxf4 a3 9.e7 a2 
                                10.e7e8Q a2a1Q 11.e8xb5 Kd2 12.Kf5 
  <11>   +0.00   12.05  6776400 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Ke4 5.e6 Ke3 6.Kg3 b4xf4 
                                7.d6d3 Kxd3 8.Kxf4 a3 9.e7 a2 
                                10.e7e8Q a2a1Q 11.e8xb5 Kd2 12.Kf5 
   12    +0.00   19.75 11179128 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.d6a6 b4e4 6.Kf3 e4e1 
                                7.Kf2 e1e4 8.Kf3 e4e1 9.Kf2 e1e4 
                                10.Kf3 e4e1 
  <12>   +0.00   34.53 19545766 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.d6a6 b4e4 6.Kf3 e4e1 
                                7.Kf2 e1e4 8.Kf3 e4e1 9.Kf2 e1e4 
                                10.Kf3 e4e1 11.Kf2 e1e4 12.Kf3 e4e1 
                                13.Kf2 
   13    +0.00   54.61 31017409 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.d6a6 b4e4 6.Kf3 e4e1 
                                7.Kf2 e1e4 8.Kf3 e4e1 9.Kf2 e1e4 
                                10.Kf3 e4e1 
  <13>   +0.00    1:00 33976253 1... a3b3 2.c7xh7 b3xb4 3.h7h6 Kd5 
                                4.h6d6 Kc5 5.d6a6 b4e4 6.Kf3 e4e1 
                                7.Kf2 e1e4 8.Kf3 e4e1 9.Kf2 e1e4 
                                10.Kf3 e4e1 11.Kf2 e1e4 12.Kf3 e4e1 
                                13.Kf2 

Computed move :   a3b3
NPS:              566176
no solution found [:-( [35/58]!
[Diagram of position #59]

Test position #59

Black to move


FEN :          8/6p1/1p5p/1R2k3/4p3/1P2P3/1K4PP/3r4 b - -
Avoid Move :    Rd5 
Position ID:  "ST3_59 - Endspiel T vs T"

 depth   value    time    nodes pv
    1    -0.80    0.00       15 1... Kf6 2.b5xb6 Ke5 
  2/1    -0.76    0.00       32 1... Ke6 2.b5xb6 Kd5 
   <1>   -0.76    0.00       42 1... Ke6 2.b5xb6 Kd5 
    2    -0.76    0.00       65 1... Ke6 2.b5xb6 
   <2>   -0.76    0.00       79 1... Ke6 2.b5xb6 
    3    -1.06    0.00      311 1... Ke6 2.b5xb6 Kd5 3.Kc3 
! 2/3    -0.34    0.00      485 1... d1d5 
!   3    -0.05    0.00      594 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
   <3>   -0.05    0.00      649 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
    4    +0.06    0.02     1134 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2d3 
                                4.Kc4 d3xe3 
   <4>   +0.06    0.02     1333 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2d3 
                                4.Kc4 d3xe3 
    5    -0.07    0.02     2350 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2d3 
                                4.Kc4 d3xe3 5.b4 
   <5>   -0.07    0.02     3059 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2d3 
                                4.Kc4 d3xe3 5.b4 
    6    -0.07    0.04     6292 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.h3 g2a2 5.b6g6 
   <6>   -0.07    0.04     8227 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.h3 g2a2 5.b6g6 
    7    -0.15    0.07    15831 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.b6b5 Kd6 5.h4 Kc6 6.b5a5 
   <7>   -0.15    0.07    20937 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.b6b5 Kd6 5.h4 Kc6 6.b5a5 
    8    -0.10    0.11    41182 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.b6b5 Kd6 5.h4 g2h2 6.b5b7 Kd5 
                                7.b7xg7 h2xh4 
   <8>   -0.10    0.13    48552 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.b6b5 Kd6 5.h4 g2h2 6.b5b7 Kd5 
                                7.b7xg7 h2xh4 
    9    -0.10    0.18    76454 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.b6b5 Kf6 5.h4 g2g4 6.b5b6 Ke5 
                                7.h5 g4g5 8.b6b5 Kd6 
   <9>   -0.10    0.24   111983 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.b6b5 Kf6 5.h4 g2g4 6.b5b6 Ke5 
                                7.h5 g4g5 8.b6b5 Kd6 
   10    -0.14    0.39   204055 1... d1d5 2.b5xb6 d5d2 3.Kc3 d2xg2 
                                4.h4 g2g4 5.h5 g4g5 6.Kc4 Kf5 
                                7.b6b7 Ke6 
 2/10    -0.11    1.32   788694 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d2 5.Kc3 d2xg2 6.h4 g2h2 
                                7.b8f8 Ke5 8.f8g8 h2xh4 9.g8xg7 
  <10>   -0.11    1.35   808142 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d2 5.Kc3 d2xg2 6.h4 g2h2 
                                7.b8f8 Ke5 8.f8g8 h2xh4 9.g8xg7 
   11    +0.00    2.30  1417075 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 
  <11>   +0.00    2.39  1476648 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 
   12    +0.00    4.16  2642478 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 Kf5 9.b6b5 Kf6 
  <12>   +0.00    4.46  2830647 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 Kf5 9.b6b5 Kf6 
   13    +0.00    8.32  5400131 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 Kf5 9.b6b5 Kf6 
                                10.b5b6 Kf5 
  <13>   +0.00    9.16  5947455 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 Kf5 9.b6b5 Kf6 
                                10.b5b6 Kf5 11.b6b5 Kf6 12.b5b6 Kf5 
                                13.b6b5 
   14    +0.00   20.96 13768571 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 Kf5 9.b6b5 Kf6 
                                10.b5b6 Kf5 
  <14>   +0.00   23.55 15437411 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b5b8 d1d3 5.Ka3 d3xe3 6.b8b6 Kf5 
                                7.b6b5 Kf6 8.b5b6 Kf5 9.b6b5 Kf6 
                                10.b5b6 Kf5 11.b6b5 Kf6 12.b5b6 Kf5 
                                13.b6b5 
  <15>   +0.00    1:00 38442930 1... Kf6 2.b5xb6 Kf5 3.b6b5 Kf6 
                                4.b4 d1d3 5.b5c5 d3xe3 6.b5 e3d3 
                                7.b6 d3d2 8.Kc3 e3 9.c5c6 Kf5 
                                10.c6c7 Kf6 

Computed move :   Kf6
NPS:              640501
solution found [36/59], time: 1.32, points: 25, nodes: 808142!
[Diagram of position #60]

Test position #60

White to move


FEN :          2r5/1R3PK1/p7/7p/8/1pk4P/8/8 w - -
Avoid Move :    f8=Q 
Position ID:  "ST3_60 - Endspiel T vs T"

 depth   value    time    nodes pv
    1    +1.10    0.00        2 1.b7a7 
   <1>   +1.10    0.00       42 1.b7a7 
!   2    +1.52    0.00      105 1.b7a7 
!   2    +1.87    0.02      159 1.b7a7 c8b8 2.a7xa6 
   <2>   +1.87    0.02      284 1.b7a7 c8b8 2.a7xa6 
  9/3    +1.70    0.02      791 1.f7f8R c8xf8 2.b7c7 Kd3 3.Kxf8 
   <3>   +1.70    0.02      841 1.f7f8R c8xf8 2.b7c7 Kd3 3.Kxf8 
?   4    -0.26    0.04     5311 1.f7f8R c8xf8 2.b7c7 Kb2 3.Kxf8 Ka3 
? 2/4    -0.17    0.04     5993 1.b7b6 b2 2.h4 Kc2 3.b6xb2 Kxb2 
   <4>   -0.17    0.04     7641 1.b7b6 b2 2.h4 Kc2 3.b6xb2 Kxb2 
!   5    +0.25    0.04     8481 1.b7b6 
!   5    +1.00    0.05     9601 1.b7b6 
!   5    +1.11    0.05    12819 1.b7b6 c8c7 2.b6c6 c7xc6 3.f7f8Q a5 
   <5>   +1.11    0.05    15590 1.b7b6 c8c7 2.b6c6 c7xc6 3.f7f8Q a5 
? 4/6    +1.03    0.10    37039 1.f7f8R c8xf8 2.b7c7 Kb2 3.Kxf8 Kb1 
                                4.c7a7 Kc2 5.a7xa6 
   <6>   +1.03    0.10    37053 1.f7f8R c8xf8 2.b7c7 Kb2 3.Kxf8 Kb1 
                                4.c7a7 Kc2 5.a7xa6 
    7    +1.03    0.11    44932 1.f7f8R c8xf8 2.Kxf8 Kc2 3.b7c7 Kb1 
                                4.c7a7 h4 5.a7xa6 Kc2 
   <7>   +1.03    0.14    56145 1.f7f8R c8xf8 2.Kxf8 Kc2 3.b7c7 Kb1 
                                4.c7a7 h4 5.a7xa6 Kc2 
? 3/8    +0.00    0.29   139092 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 
   <8>   +0.00    0.30   151673 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 9.c6d6 Kc2 
                                10.d6c6 Kd1 11.c6d6 
    9    +0.00    0.35   169190 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 
   <9>   +0.00    0.41   207903 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 9.c6d6 Kc2 
                                10.d6c6 Kd1 11.c6d6 
   10    +0.00    0.63   336290 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 
  <10>   +0.00    0.75   411684 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 9.c6d6 Kc2 
                                10.d6c6 Kd1 11.c6d6 
   11    +0.00    1.14   653558 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 
  <11>   +0.00    1.77  1046400 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 9.c6d6 Kc2 
                                10.d6c6 Kd1 11.c6d6 
   12    +0.00    3.74  2235122 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 
  <12>   +0.00    5.07  3067240 1.b7b6 b2 2.f7f8Q c8xf8 3.Kxf8 Kc2 
                                4.b6c6 Kd1 5.c6d6 Kc2 6.d6c6 Kd1 
                                7.c6d6 Kc2 8.d6c6 Kd1 9.c6d6 Kc2 
                                10.d6c6 Kd1 11.c6d6 
 6/13    +0.00   30.21 18501644 1.f7f8R c8xf8 2.Kxf8 b2 3.b7c7 Kb3 
                                4.c7b7 Kc2 5.b7c7 Kb3 6.c7b7 Kc2 
                                7.b7c7 Kb3 8.c7b7 
  <13>   +0.00   30.68 18815988 1.f7f8R c8xf8 2.Kxf8 b2 3.b7c7 Kb3 
                                4.c7b7 Kc2 5.b7c7 Kb3 6.c7b7 Kc2 
                                7.b7c7 Kb3 8.c7b7 Kc2 9.b7c7 Kb3 
                                10.c7b7 Kc2 
   14    +0.00   45.77 28075382 1.f7f8R c8xf8 2.Kxf8 b2 3.b7c7 Kb3 
                                4.c7b7 Kc2 5.b7c7 Kb3 6.c7b7 Kc2 
                                7.b7c7 Kb3 8.c7b7 
  <14>   +0.00   57.39 35432538 1.f7f8R c8xf8 2.Kxf8 b2 3.b7c7 Kb3 
                                4.c7b7 Kc2 5.b7c7 Kb3 6.c7b7 Kc2 
                                7.b7c7 Kb3 8.c7b7 Kc2 9.b7c7 Kb3 
                                10.c7b7 Kc2 
  <15>   +0.00    1:00 37279469 1.f7f8R c8xf8 2.Kxf8 b2 3.b7c7 Kb3 
                                4.c7b7 Kc2 5.b7c7 Kb3 

Computed move :   f7f8R
NPS:              621324
solution found [37/60], time: 0.00, points: 25, nodes: 42!
© Steffen A. Jakob