[ Test Suite gmg3 | Hossa ]

Positions 1 - 10


[Diagram of position #1]

Test position #1

White to move


FEN :          8/ppp3k1/8/PPP5/8/8/6K1/8 w - -
Best Move :    b6 
Position ID:  "Larsen/Endings GMG 3.1"

 depth   value    time    nodes pv
    1    +0.20    0.00        2 1.Kf3 
   <1>   +0.20    0.00       12 1.Kf3 
    2    +0.00    0.00       25 1.Kf3 Kf6 
   <2>   +0.00    0.00       68 1.Kf3 Kf6 
    3    +0.20    0.00      106 1.Kf3 Kf6 2.Ke4 
   <3>   +0.20    0.02      244 1.Kf3 Kf6 2.Ke4 
    4    +0.00    0.02      513 1.Kf3 Kf6 2.a6 b6 
  3/4    +0.01    0.02     1197 1.a6 b7xa6 2.b5xa6 Kf6 3.Kf2 
   <4>   +0.01    0.02     1388 1.a6 b7xa6 2.b5xa6 Kf6 3.Kf2 
    5    -0.13    0.02     2314 1.a6 b7xa6 2.b5xa6 Kf7 3.Kf2 Ke8 
  2/5    +0.30    0.02     3261 1.Kf3 Kf6 2.Ke4 Ke6 3.Kd4 
! 3/5    +0.43    0.03     5084 1.b6 
!   5    +1.18    0.03     6197 1.b6 
!   5    +4.38    0.03     7762 1.b6 
!   5    +7.52    0.03     9438 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke5 5.a7a8Q 
   <5>   +7.52    0.03    10193 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke5 5.a7a8Q 
    6    +7.25    0.05    13451 1.b6 a7xb6 2.c6 b7xc6 3.a6 b5 
                                4.a7 c5 5.a7a8Q b4 
   <6>   +7.25    0.05    15381 1.b6 a7xb6 2.c6 b7xc6 3.a6 b5 
                                4.a7 c5 5.a7a8Q b4 
    7    +7.45    0.06    20933 1.b6 a7xb6 2.c6 b7xc6 3.a6 b5 
                                4.a7 c5 5.a7a8Q b4 6.a8e8 
   <7>   +7.45    0.06    25445 1.b6 a7xb6 2.c6 b7xc6 3.a6 b5 
                                4.a7 c5 5.a7a8Q b4 6.a8e8 
    8    +7.74    0.08    36539 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 c5 5.a7a8Q Ke7 6.a8e4 Kd6 
                                7.e4e8 
   <8>   +7.74    0.10    45627 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 c5 5.a7a8Q Ke7 6.a8e4 Kd6 
                                7.e4e8 
    9    +7.93    0.13    65650 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 c5 5.a7a8Q Ke7 6.a8d5 Ke8 
                                7.Kf3 
   <9>   +7.93    0.16    81441 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 c5 5.a7a8Q Ke7 6.a8d5 Ke8 
                                7.Kf3 
   10    +7.91    0.20   123632 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.Ke3 Kd6 8.a8g8 
  <10>   +7.91    0.25   157583 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.Ke3 Kd6 8.a8g8 
   11    +8.06    0.33   224117 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Ke7 8.Ke3 Ke8 9.d5b7 
  <11>   +8.06    0.39   277414 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Ke7 8.Ke3 Ke8 9.d5b7 
   12    +8.08    0.60   432618 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Kc8 8.Ke4 Kb8 9.d5c4 Kb7 
                                10.c4f7 
  <12>   +8.08    0.70   528252 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Kc8 8.Ke4 Kb8 9.d5c4 Kb7 
                                10.c4f7 
   13    +8.27    1.27   953043 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Kc8 8.Ke3 Kb8 9.d5d8 Kb7 
                                10.d8d7 Kb8 11.Ke4 
  <13>   +8.27    1.44  1112436 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Kc8 8.Ke3 Kb8 9.d5d8 Kb7 
                                10.d8d7 Kb8 11.Ke4 
!  14    +8.69    2.42  1828162 1.b6 
!  14    +8.84    4.35  3295877 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Kc8 8.Ke3 Kb8 9.d5d8 Kb7 
                                10.d8e8 c6 11.e8d7 Ka6 12.d7xc6 Ka5 
  <14>   +8.84    4.88  3727794 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.a8d5 Kc8 8.Ke3 Kb8 9.d5d8 Kb7 
                                10.d8e8 c6 11.e8d7 Ka6 12.d7xc6 Ka5 
   15    +8.90   10.30  7854398 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 Kd6 
                                7.a8d8 Kc5 8.Ke4 Kb5 9.d8xc7 c5 
                                10.Kd3 Ka6 11.Kc4 Ka5 
  <15>   +8.90   10.97  8429547 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 Kd6 
                                7.a8d8 Kc5 8.Ke4 Kb5 9.d8xc7 c5 
                                10.Kd3 Ka6 11.Kc4 Ka5 
!  16    +9.32   17.19 13022725 1.b6 
!  16    +9.33   24.63 18758899 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.Ke4 c4 8.a8d5 Kc8 9.d5xc4 Kb7 
                                10.c4d5 Kb8 11.d5d8 Kb7 12.d8d7 Kb8 
                                13.d7e8 Kb7 14.e8d7 Kb8 15.d7e8 Kb7 
  <16>   +9.33   26.95 20636939 1.b6 a7xb6 2.c6 b7xc6 3.a6 Kf6 
                                4.a7 Ke6 5.a7a8Q Kd7 6.Kf3 c5 
                                7.Ke4 c4 8.a8d5 Kc8 9.d5xc4 Kb7 
                                10.c4d5 Kb8 11.d5d8 Kb7 12.d8d7 Kb8 
                                13.d7e8 Kb7 14.e8d7 Kb8 15.d7e8 Kb7 
!  17    +9.75   32.78 24751957 1.b6 
!  17   +10.50   37.27 27933240 1.b6 
  <17>  +10.50    1:00 41610357 

Computed move :   b6
NPS:              693505
solution found [1/1], time: 0.03, points: 25, nodes: 5084!
[Diagram of position #2]

Test position #2

White to move


FEN :          8/8/4pppp/8/4PPPP/k7/8/K7 w - -
Best Move :    h5 
Position ID:  "Larsen/Endings GMG 3.2"

 depth   value    time    nodes pv
    1    +0.00    0.00        2 1.Kb1 
   <1>   +0.00    0.01        6 1.Kb1 
    2    -0.27    0.01       15 1.Kb1 Kb3 
  3/2    -0.13    0.01       71 1.f5 e6xf5 2.e4xf5 
   <2>   -0.13    0.01       80 1.f5 e6xf5 2.e4xf5 
  2/3    +0.00    0.01      150 1.Kb1 Kb3 2.Kc1 
   <3>   +0.00    0.01      185 1.Kb1 Kb3 2.Kc1 
    4    -0.13    0.01      391 1.Kb1 Kb3 2.f5 e6xf5 3.e4xf5 
   <4>   -0.13    0.01      520 1.Kb1 Kb3 2.f5 e6xf5 3.e4xf5 
    5    +0.00    0.01     1046 1.Kb1 Kb3 2.Kc1 Kc3 3.Kd1 
   <5>   +0.00    0.03     1453 1.Kb1 Kb3 2.Kc1 Kc3 3.Kd1 
    6    -0.30    0.03     3464 1.Kb1 Kb3 2.Kc1 Kc3 3.f5 e6xf5 
                                4.e4xf5 g6xf5 5.g4xf5 
   <6>   -0.30    0.03     4416 1.Kb1 Kb3 2.Kc1 Kc3 3.f5 e6xf5 
                                4.e4xf5 g6xf5 5.g4xf5 
    7    -0.35    0.04     9325 1.Kb1 Kb3 2.Kc1 Kc3 3.f5 e6xf5 
                                4.e4xf5 g6xf5 5.g4xf5 Kd4 6.Kd2 
! 3/7    +0.12    0.06    22344 1.h5 
!   7    +0.87    0.07    29002 1.h5 
!   7    +1.01    0.09    38314 1.h5 g5 2.e5 f6xe5 3.f4xg5 e4 
                                4.Kb1 e3 5.g6 
   <7>   +1.01    0.09    39348 1.h5 g5 2.e5 f6xe5 3.f4xg5 e4 
                                4.Kb1 e3 5.g6 
!   8    +1.43    0.11    52495 1.h5 
!   8    +2.18    0.12    64399 1.h5 
!   8    +4.29    0.15    88000 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.Kb1 h4 
                                7.f7f8Q 
   <8>   +4.29    0.17    93311 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.Kb1 h4 
                                7.f7f8Q 
!   9    +4.71    0.21   123060 1.h5 
!   9    +5.46    0.26   156105 1.h5 
!   9    +6.22    0.31   194850 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q h4 
                                7.f8h6 g3 8.h6xh4 
   <9>   +6.22    0.32   201659 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q h4 
                                7.f8h6 g3 8.h6xh4 
   10    +6.35    0.45   293974 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb4 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 e4 8.e8xh5 g3 9.Kb2 
  <10>   +6.35    0.46   307285 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb4 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 e4 8.e8xh5 g3 9.Kb2 
!  11    +6.77    0.65   430975 1.h5 
!  11    +7.52    0.86   586060 1.h5 
!  11    +7.37    0.98   677603 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc2 
                                7.f8h6 e4 8.h6xh5 g3 9.h5g6 Kd3 
                                10.g6xg3 
  <11>   +7.37    1.03   705001 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc2 
                                7.f8h6 e4 8.h6xh5 g3 9.h5g6 Kd3 
                                10.g6xg3 
!  12    +7.79    1.36   949845 1.h5 
!  12    +8.08    1.92  1375112 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 e4 8.e8xh5 g3 9.h5e5 Kd3 
                                10.e5d6 
  <12>   +8.08    2.00  1433534 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 e4 8.e8xh5 g3 9.h5e5 Kd3 
                                10.e5d6 
   13    +8.07    3.09  2173968 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 g3 8.e8xh5 Kd4 9.h5g4 e4 
                                10.g4xg3 e5 11.g3g4 Kd3 
  <13>   +8.07    3.48  2458655 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 g3 8.e8xh5 Kd4 9.h5g4 e4 
                                10.g4xg3 e5 11.g3g4 Kd3 
!  14    +8.49    5.07  3587161 1.h5 
!  14    +8.53    7.26  5161009 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 g3 8.e8xh5 Kd4 9.h5d1 Ke4 
                                10.d1g4 Kd5 11.g4xg3 e4 12.g3b3 Ke5 
                                13.Kb2 
  <14>   +8.53    8.06  5710838 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 g3 8.e8xh5 Kd4 9.h5d1 Ke4 
                                10.d1g4 Kd5 11.g4xg3 e4 12.g3b3 Ke5 
                                13.Kb2 
   15    +8.81   17.76 12119069 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 e4 8.e8xh5 Kd4 9.h5xg4 e5 
                                10.Kb2 Kd3 11.g4g3 Kd4 
  <15>   +8.81   21.23 14350066 1.h5 g6xh5 2.e5 f6xe5 3.f5 h5xg4 
                                4.f6 Kb3 5.f7 h5 6.f7f8Q Kc4 
                                7.f8e8 e4 8.e8xh5 Kd4 9.h5xg4 e5 
                                10.Kb2 Kd3 11.g4g3 Kd4 
!  16    +9.23   32.82 22043105 1.h5 
!  16    +9.98   45.67 30717734 1.h5 
  <16>   +9.98    1:00 40315357 

Computed move :   h5
NPS:              671810
solution found [2/2], time: 0.06, points: 25, nodes: 22344!
[Diagram of position #3]

Test position #3

Black to move


FEN :          8/5k2/1p2PP1p/p1p3p1/P1P3P1/1P1K3P/8/8 b - -
Best Move :    Kxf6 
Position ID:  "Larsen/Endings GMG 3.3"

 depth   value    time    nodes pv
    1    -1.80    0.03        2 1... Kxf6 
   <1>   -1.80    0.03        7 1... Kxf6 
!   2    -1.38    0.03       30 1... Kxf6 
!   2    -0.63    0.03       54 1... Kxf6 
!   2    -0.04    0.03       95 1... Kxf6 2.e7 Kxe7 
   <2>   -0.04    0.03      140 1... Kxf6 2.e7 Kxe7 
    3    -0.09    0.03      258 1... Kxf6 2.Ke3 Kxe6 3.Ke4 
   <3>   -0.09    0.04      377 1... Kxf6 2.Ke3 Kxe6 3.Ke4 
    4    +0.00    0.04      628 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kxe6 
   <4>   +0.00    0.04      845 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kxe6 
    5    -0.02    0.04     1545 1... Kxf6 2.Ke3 Kxe6 3.Kf3 Kf6 
                                4.Ke4 
   <5>   -0.02    0.04     1948 1... Kxf6 2.Ke3 Kxe6 3.Kf3 Kf6 
                                4.Ke4 
    6    -0.02    0.06     3231 1... Kxf6 2.Ke3 Kxe6 3.Ke4 Kd6 
                                4.Kf5 Kc6 5.Ke5 
   <6>   -0.02    0.06     4125 1... Kxf6 2.Ke3 Kxe6 3.Ke4 Kd6 
                                4.Kf5 Kc6 5.Ke5 
    7    -0.02    0.06     7587 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.e7 Kxe7 5.Ke3 Kf6 6.Ke4 
   <7>   -0.02    0.07     9147 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.e7 Kxe7 5.Ke3 Kf6 6.Ke4 
    8    -0.02    0.07    13991 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kd3 Kf6 6.Ke4 Ke6 
                                7.Kd3 Kf6 8.Ke4 Ke6 
   <8>   -0.02    0.09    18480 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kd3 Kf6 6.Ke4 Ke6 
                                7.Kd3 Kf6 8.Ke4 Ke6 
    9    +0.00    0.11    29597 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kd3 Kf6 6.Ke4 Ke6 
   <9>   +0.00    0.12    34051 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kd3 Kf6 6.Ke4 Ke6 
   10    +0.00    0.14    48033 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <10>   +0.00    0.15    55706 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   11    +0.00    0.18    79985 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <11>   +0.00    0.20    91728 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   12    +0.00    0.26   140181 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <12>   +0.00    0.29   159029 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   13    +0.00    0.40   254070 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <13>   +0.00    0.45   278212 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   14    +0.00    0.64   440622 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <14>   +0.00    0.68   478053 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   15    +0.00    1.06   783443 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <15>   +0.00    1.14   843336 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   16    +0.00    1.76  1357320 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <16>   +0.00    1.87  1445598 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   17    +0.00    2.98  2351631 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <17>   +0.00    3.17  2509017 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   18    +0.00    5.18  4120072 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <18>   +0.00    5.71  4513817 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   19    +0.00    9.39  7366025 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <19>   +0.00   10.96  8494388 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   20    +0.00   17.06 13086967 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <20>   +0.00   20.09 15257974 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
   21    +0.00   32.45 23941806 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 
  <21>   +0.00   40.07 29261125 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 Kxe6 5.Kf3 Kd6 6.Ke4 Ke6 
                                7.Kf3 Kd6 8.Ke4 Ke6 9.Kf3 Kd6 
                                10.Ke4 Ke6 11.Kf3 Kd6 
  <22>   +0.00    1:00 42588452 1... Kxf6 2.Ke3 Ke7 3.Kf3 Kf6 
                                4.Ke4 

Computed move :   Kxf6
NPS:              709807
solution found [3/3], time: 0.03, points: 25, nodes: 7!
[Diagram of position #4]

Test position #4

White to move


FEN :          8/2k5/p2p3p/2pPp1p1/P5P1/3K4/2P4P/8 w - -
Best Move :    a5 
Position ID:  "Larsen/Endings GMG 3.4"

 depth   value    time    nodes pv
    1    -2.35    0.00        2 1.Ke4 
   <1>   -2.35    0.00       12 1.Ke4 
    2    -2.36    0.00       23 1.Ke4 a5 
   <2>   -2.36    0.00       49 1.Ke4 a5 
    3    -2.39    0.00       98 1.Ke4 Kb6 2.c3 
  2/3    -2.37    0.00      183 1.c3 a5 2.c4 
  6/3    -2.36    0.02      301 1.a5 Kb7 2.Kc4 
   <3>   -2.36    0.02      362 1.a5 Kb7 2.Kc4 
    4    -2.40    0.02      503 1.a5 Kb7 2.Ke4 Kc7 
   <4>   -2.40    0.02      722 1.a5 Kb7 2.Ke4 Kc7 
    5    -2.37    0.02     1143 1.a5 Kb7 2.c3 Kc7 3.Kc4 
   <5>   -2.37    0.02     2033 1.a5 Kb7 2.c3 Kc7 3.Kc4 
    6    -2.40    0.02     3161 1.a5 Kb7 2.c3 Kc8 3.Ke4 Kc7 
   <6>   -2.40    0.02     4913 1.a5 Kb7 2.c3 Kc8 3.Ke4 Kc7 
    7    -2.40    0.03     6825 1.a5 Kb7 2.c3 Kc8 3.Ke4 Kc7 
                                4.h3 c4 
   <7>   -2.40    0.03    12114 1.a5 Kb7 2.c3 Kc8 3.Ke4 Kc7 
                                4.h3 c4 
    8    -2.37    0.05    17491 1.a5 Kb7 2.c3 Kc8 3.h3 Kb7 
                                4.c4 Kc7 5.Kc3 
   <8>   -2.37    0.06    24520 1.a5 Kb7 2.c3 Kc8 3.h3 Kb7 
                                4.c4 Kc7 5.Kc3 
    9    -2.37    0.08    41145 1.a5 Kb7 2.Kc4 Kc8 3.Kc3 Kd7 
                                4.Kd2 Kd8 5.Kc3 Kd7 6.Kd2 
   <9>   -2.37    0.09    55442 1.a5 Kb7 2.Kc4 Kc8 3.Kc3 Kd7 
                                4.Kd2 Kd8 5.Kc3 Kd7 6.Kd2 
   10    -2.37    0.13    77323 1.a5 Kb7 2.Kc4 Kb8 3.Kc3 Kc8 
                                4.h3 Kd8 5.Kd2 Kd7 6.Kc3 
  <10>   -2.37    0.17   106533 1.a5 Kb7 2.Kc4 Kb8 3.Kc3 Kc8 
                                4.h3 Kd8 5.Kd2 Kd7 6.Kc3 
   11    -2.37    0.22   146897 1.a5 Kb7 2.Kc4 Kb8 3.Kc3 Kc8 
                                4.Kd2 Kd7 5.h3 Kd8 6.Kd3 Kc7 
  <11>   -2.37    0.30   209431 1.a5 Kb7 2.Kc4 Kb8 3.Kc3 Kc8 
                                4.Kd2 Kd7 5.h3 Kd8 6.Kd3 Kc7 
   12    -2.33    0.41   300793 1.a5 Kb7 2.Kc4 Kb8 3.Kc3 Kc8 
                                4.Kc4 Kd8 5.Kd3 Kc7 6.Kc4 Kc8 
                                7.c3 
  <12>   -2.33    0.53   401756 1.a5 Kb7 2.Kc4 Kb8 3.Kc3 Kc8 
                                4.Kc4 Kd8 5.Kd3 Kc7 6.Kc4 Kc8 
                                7.c3 
   13    -2.10    0.75   579574 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke2 Kd8 5.Ke3 Ke7 6.Kd3 Ke8 
                                7.Kd2 Ke7 8.Kc3 
  <13>   -2.10    0.98   766643 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke2 Kd8 5.Ke3 Ke7 6.Kd3 Ke8 
                                7.Kd2 Ke7 8.Kc3 
!  14    -1.68    1.19   940457 1.a5 
!  14    -2.05    1.38  1093797 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd2 Kf7 
                                7.Ke3 Kf8 8.Kd3 Ke7 9.Kc4 
  <14>   -2.05    1.73  1384644 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd2 Kf7 
                                7.Ke3 Kf8 8.Kd3 Ke7 9.Kc4 
   15    -2.05    2.20  1777300 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd2 Kf8 
                                7.Kc3 Kf7 8.h3 Ke7 9.Kc4 
  <15>   -2.05    2.83  2280774 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd2 Kf8 
                                7.Kc3 Kf7 8.h3 Ke7 9.Kc4 
   16    -2.05    3.39  2752683 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Ke7 5.Kd2 Kf7 6.Ke3 Ke8 
                                7.Kd3 Kd8 8.Ke2 
  <16>   -2.05    4.45  3618826 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Ke7 5.Kd2 Kf7 6.Ke3 Ke8 
                                7.Kd3 Kd8 8.Ke2 
   17    -1.67    5.88  4778316 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Ke7 5.Kd2 Kf7 6.Ke3 Ke8 
                                7.Kd3 Kf8 8.Ke3 Kf7 9.Kd2 Kg6 
                                10.Kd3 Kf6 
  <17>   -1.67    7.59  6168693 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Ke7 5.Kd2 Kf7 6.Ke3 Ke8 
                                7.Kd3 Kf8 8.Ke3 Kf7 9.Kd2 Kg6 
                                10.Kd3 Kf6 
   18    -1.67   12.69 10095473 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd3 Kf6 
                                7.Ke4 Kg7 8.Ke3 Kg8 9.Kd3 Kf7 
                                10.c4 Kf6 
  <18>   -1.67   16.11 12669483 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd3 Kf6 
                                7.Ke4 Kg7 8.Ke3 Kg8 9.Kd3 Kf7 
                                10.c4 Kf6 
   19    -1.67   20.11 15506327 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd3 Kf6 
                                7.Ke3 Kg6 8.Ke4 h5 9.h3 h4 
                                10.Kd3 Kf7 11.Ke4 Kf6 12.Kd3 
  <19>   -1.67   26.86 20347844 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd3 Kf6 
                                7.Ke3 Kg6 8.Ke4 h5 9.h3 h4 
                                10.Kd3 Kf7 11.Ke4 Kf6 12.Kd3 
   20    -1.67   39.92 29856539 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd3 Kf6 
                                7.Ke3 Kg6 8.Ke4 h5 9.h3 h4 
                                10.Kd3 Kf6 11.c3 Kg7 12.c4 Kf6 
  <20>   -1.67   54.13 39433223 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 Ke7 6.Kd3 Kf6 
                                7.Ke3 Kg6 8.Ke4 h5 9.h3 h4 
                                10.Kd3 Kf6 11.c3 Kg7 12.c4 Kf6 
  <21>   -1.67    1:00 43355818 1.a5 Kb7 2.Ke2 Kc8 3.Kd2 Kd7 
                                4.Ke3 Kd8 5.Ke2 

Computed move :   a5
NPS:              722596
solution found [4/4], time: 0.02, points: 25, nodes: 362!
[Diagram of position #5]

Test position #5

White to move


FEN :          8/p7/4k1P1/1p1p3P/1P2pK2/2P5/P7/8 w - -
Best Move :    h6 
Position ID:  "Larsen/Endings GMG 3.5"

 depth   value    time    nodes pv
    1    +4.46    0.00        2 1.h6 
   <1>   +4.46    0.00       10 1.h6 
    2    +4.42    0.00       21 1.h6 Kf6 
   <2>   +4.42    0.02       49 1.h6 Kf6 
    3    +4.71    0.02      134 1.h6 Kf6 2.g7 Kf7 
   <3>   +4.71    0.02      300 1.h6 Kf6 2.g7 Kf7 
    4    +4.76    0.02      593 1.h6 Kf6 2.g7 Kf7 3.Ke3 
   <4>   +4.76    0.02     1127 1.h6 Kf6 2.g7 Kf7 3.Ke3 
    5    +4.38    0.02     2121 1.h6 Kf6 2.g7 Kf7 3.Ke3 Kg8 
   <5>   +4.38    0.04     4960 1.h6 Kf6 2.g7 Kf7 3.Ke3 Kg8 
    6    +4.24    0.04     7882 1.h6 Kf6 2.g7 Kf7 3.a3 Kg8 
                                4.Ke3 
   <6>   +4.24    0.05    17761 1.h6 Kf6 2.g7 Kf7 3.a3 Kg8 
                                4.Ke3 
?   7    +3.23    0.11    55443 1.h6 Kf6 2.g7 Kf7 3.Ke3 Kg8 
                                4.Ke2 Kh7 5.Ke3 
   <7>   +3.23    0.15    74920 1.h6 Kf6 2.g7 Kf7 3.Ke3 Kg8 
                                4.Ke2 Kh7 5.Ke3 
    8    +3.37    0.18    94162 1.h6 Kf6 2.g7 Kf7 3.Ke3 Kg8 
                                4.Ke2 Kh7 5.Ke3 a6 
   <8>   +3.37    0.27   151167 1.h6 Kf6 2.g7 Kf7 3.Ke3 Kg8 
                                4.Ke2 Kh7 5.Ke3 a6 
!   9    +3.79    0.30   167464 1.h6 
!   9    +4.24    0.35   212020 1.h6 Kf6 2.g7 Kf7 3.a3 Kg8 
                                4.Ke3 Kh7 5.Kd4 Kg8 6.Ke3 Kh7 
                                7.Kd4 Kg8 8.Ke3 Kh7 
   <9>   +4.24    0.58   355257 1.h6 Kf6 2.g7 Kf7 3.a3 Kg8 
                                4.Ke3 Kh7 5.Kd4 Kg8 6.Ke3 Kh7 
                                7.Kd4 Kg8 8.Ke3 Kh7 9.Kd4 Kg8 
                                10.Ke3 Kh7 11.Kd4 
?  10    +4.05    1.55   966359 1.h6 Kf6 2.g7 Kf7 3.a3 Kg8 
                                4.Ke3 Kh7 5.Kd4 a6 6.Ke3 Kg8 
                                7.Kd4 
  <10>   +4.05    1.55   966367 1.h6 Kf6 2.g7 Kf7 3.a3 Kg8 
                                4.Ke3 Kh7 5.Kd4 a6 6.Ke3 Kg8 
                                7.Kd4 
!  11    +4.47    6.05  3633217 1.h6 
!  11    +5.22    6.11  3670006 1.h6 
!  11    +8.42    6.65  3976628 1.h6 
!  11   +13.19    7.85  4734093 1.h6 Kf6 2.h7 Kg7 3.Ke5 d4 
                                4.c3xd4 a6 5.Kxe4 Kh8 6.Ke3 Kg7 
                                7.d5 Kxg6 8.h7h8Q Kf5 
  <11>  +13.19    7.85  4734101 1.h6 Kf6 2.h7 Kg7 3.Ke5 d4 
                                4.c3xd4 a6 5.Kxe4 Kh8 6.Ke3 Kg7 
                                7.d5 Kxg6 8.h7h8Q Kf5 
!  12   +13.61    8.52  5154305 1.h6 
!  12   +13.67   10.88  6714948 1.h6 Kf6 2.h7 Kg7 3.Ke5 a6 
                                4.Ke6 Kxg6 5.h7h8Q Kg5 6.h8e5 Kg4 
                                7.Kxd5 Kh3 8.e5xe4 Kh2 9.Kc5 
  <12>  +13.67   13.44  8414344 1.h6 Kf6 2.h7 Kg7 3.Ke5 a6 
                                4.Ke6 Kxg6 5.h7h8Q Kg5 6.h8e5 Kg4 
                                7.Kxd5 Kh3 8.e5xe4 Kh2 9.Kc5 
!  13   +14.09   15.41  9677967 1.h6 
!  13   +14.36   26.10 16580036 1.h6 Kf6 2.h7 Kg7 3.Ke5 a6 
                                4.Ke6 Kxg6 5.h7h8Q Kg5 6.h8e5 Kg4 
                                7.Kxd5 Kh3 8.e5xe4 Kh2 9.e4h7 Kg1 
                                10.h7a7 Kg2 11.a7xa6 
  <13>  +14.36    1:00 37130932 1.h6 Kf6 2.h7 Kg7 3.Ke5 a6 
                                4.Ke6 Kxg6 5.h7h8Q Kg5 6.h8e5 Kg4 
                                7.Kxd5 Kh3 8.e5xe4 Kh2 9.e4h7 Kg1 
                                10.h7a7 Kg2 11.a7xa6 

Computed move :   h6
NPS:              618642
solution found [5/5], time: 0.00, points: 25, nodes: 10!
[Diagram of position #6]

Test position #6

White to move


FEN :          4k3/5p2/3K2p1/4P2p/7P/8/6P1/8 w - -
Best Move :    g3 
Position ID:  "Larsen/Endings GMG 3.6"

 depth   value    time    nodes pv
    1    +0.05    0.00        2 1.g3 
  7/1    +0.07    0.00       14 1.e6 
   <1>   +0.07    0.00       14 1.e6 
    2    +0.07    0.00       29 1.e6 Kf8 
   <2>   +0.07    0.00       42 1.e6 Kf8 
    3    +0.40    0.00      122 1.e6 f7xe6 2.Kxe6 Kf8 
   <3>   +0.40    0.00      190 1.e6 f7xe6 2.Kxe6 Kf8 
    4    +0.50    0.00      352 1.e6 f7xe6 2.Kxe6 Kd8 3.Ke5 
   <4>   +0.50    0.00      460 1.e6 f7xe6 2.Kxe6 Kd8 3.Ke5 
    5    +0.63    0.01     1104 1.e6 Kf8 2.e7 Ke8 3.g3 f6 
                                4.Ke6 
   <5>   +0.63    0.01     1364 1.e6 Kf8 2.e7 Ke8 3.g3 f6 
                                4.Ke6 
    6    +0.56    0.01     2457 1.e6 Kf8 2.e7 Ke8 3.g3 f6 
                                4.Ke6 f5 5.Kf6 
   <6>   +0.56    0.01     3114 1.e6 Kf8 2.e7 Ke8 3.g3 f6 
                                4.Ke6 f5 5.Kf6 
    7    +0.59    0.03     5924 1.e6 Kf8 2.e7 Ke8 3.g3 f5 
                                4.Ke6 g5 5.Ke5 f4 
   <7>   +0.59    0.03     7376 1.e6 Kf8 2.e7 Ke8 3.g3 f5 
                                4.Ke6 g5 5.Ke5 f4 
?   8    +0.17    0.04    26148 1.e6 Kf8 2.e6xf7 Kxf7 3.Ke5 Ke7 
                                4.g3 Kf7 5.Ke4 Kf6 6.Kf4 
   <8>   +0.17    0.06    26154 1.e6 Kf8 2.e6xf7 Kxf7 3.Ke5 Ke7 
                                4.g3 Kf7 5.Ke4 Kf6 6.Kf4 
    9    +0.03    0.07    44072 1.e6 Kf8 2.e6xf7 Kxf7 3.Ke5 Ke7 
                                4.g3 Kf7 5.Ke4 Ke6 6.Kf4 Kf6 
   <9>   +0.03    0.11    65709 1.e6 Kf8 2.e6xf7 Kxf7 3.Ke5 Ke7 
                                4.g3 Kf7 5.Ke4 Ke6 6.Kf4 Kf6 
!  10    +0.45    0.14    99997 1.e6 
!  10    +0.01    0.18   133661 1.e6 f6 2.e7 g5 3.Ke6 g5xh4 
                                4.Kxf6 h3 5.g2xh3 h4 6.Kg5 Kxe7 
                                7.Kxh4 Ke8 8.Kg5 Kf8 
!7/10    +0.40    0.25   196667 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
  <10>   +0.40    0.26   196667 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
!  11    +0.82    0.28   213500 1.g3 
!  11    +1.57    0.29   231771 1.g3 
!  11    +2.19    0.34   274509 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke8 8.Kxh5 Ke7 
  <11>   +2.19    0.45   369053 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke8 8.Kxh5 Ke7 
   12    +2.13    0.57   481408 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 e5 
  <12>   +2.13    0.82   713436 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 e5 
   13    +1.85    1.09   963502 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 e5 8.Kf5 Kf7 9.Kxe5 Kg6 
  <13>   +1.85    1.54  1395979 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 e5 8.Kf5 Kf7 9.Kxe5 Kg6 
   14    +2.25    1.90  1698168 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.g4 e5 
                                10.g5 Kf5 
  <14>   +2.25    2.54  2304545 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.g4 e5 
                                10.g5 Kf5 
   15    +2.17    3.54  3185751 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 e5 9.Kg5 Ke6 
                                10.h5 e4 11.Kf4 
  <15>   +2.17    4.90  4445712 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 e5 9.Kg5 Ke6 
                                10.h5 e4 11.Kf4 
   16    +2.43    5.95  5317963 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.Kg4 e5 
                                10.h5 Ke6 11.Kg5 
  <16>   +2.43    7.70  6888479 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.Kg4 e5 
                                10.h5 Ke6 11.Kg5 
   17    +2.43    9.26  8182452 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.Kg4 Kg7 
                                10.h5 Kh6 11.Kh4 e5 12.g4 
  <17>   +2.43   12.29 10783150 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.Kg4 Kg7 
                                10.h5 Kh6 11.Kh4 e5 12.g4 
!  18    +2.85   13.21 11556450 1.g3 
!  18    +2.90   16.86 14338013 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.g4 e5 
                                10.g5 Kf5 11.g6 Kf6 12.Kh6 e4 
                                13.g7 Kf7 14.Kh7 
  <18>   +2.90   23.82 19728545 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.g4 e5 
                                10.g5 Kf5 11.g6 Kf6 12.Kh6 e4 
                                13.g7 Kf7 14.Kh7 
!  19    +3.32   25.51 21105407 1.g3 
!  19    +3.64   34.00 27223100 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kd6 9.Kg5 Ke7 
                                10.h5 Kf7 11.h6 Kf8 12.Kf6 Kg8 
                                13.Kxe6 Kh7 
  <19>   +3.64   48.15 37438553 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kd6 9.Kg5 Ke7 
                                10.h5 Kf7 11.h6 Kf8 12.Kf6 Kg8 
                                13.Kxe6 Kh7 
  <20>   +3.64    1:00 45493850 1.g3 Kf8 2.Kd7 Kg8 3.Ke8 Kg7 
                                4.Ke7 Kg8 5.Kf6 Kf8 6.e6 f7xe6 
                                7.Kxg6 Ke7 8.Kxh5 Kf6 9.g4 Kf7 
                                10.g5 Kg7 

Computed move :   g3
NPS:              758230
solution found [6/6], time: 0.25, points: 25, nodes: 196667!
[Diagram of position #7]

Test position #7

White to move


FEN :          8/7p/p5p1/3k2P1/3p1P1P/3K4/P7/8 w - -
Best Move :    a3 
Position ID:  "Larsen/Endings GMG 3.7"

 depth   value    time    nodes pv
    1    -0.34    0.00        2 1.a3 
   <1>   -0.34    0.00        9 1.a3 
    2    -0.56    0.02       21 1.a3 Kc5 
   <2>   -0.56    0.02       38 1.a3 Kc5 
    3    -0.56    0.02       68 1.a3 Kc5 2.a4 
   <3>   -0.56    0.02      167 1.a3 Kc5 2.a4 
    4    -0.64    0.02      271 1.a3 Kc5 2.a4 a5 
   <4>   -0.64    0.02      500 1.a3 Kc5 2.a4 a5 
    5    -0.68    0.02     1024 1.a3 a5 2.a4 Kc5 3.Kc2 
   <5>   -0.68    0.02     1886 1.a3 a5 2.a4 Kc5 3.Kc2 
?   6    -1.47    0.03     6766 1.a3 a5 2.a4 Kc5 3.Ke4 Kc4 
                                4.Kf3 
? 3/6    -1.27    0.03     8639 1.h5 g6xh5 2.f5 h4 3.g6 h7xg6 
                                4.f5xg6 Ke6 5.g7 Kf7 
   <6>   -1.27    0.03     9487 1.h5 g6xh5 2.f5 h4 3.g6 h7xg6 
                                4.f5xg6 Ke6 5.g7 Kf7 
    7    -1.32    0.05    16044 1.h5 g6xh5 2.f5 h4 3.g6 h7xg6 
                                4.f5xg6 Ke6 5.Ke4 d3 
! 2/7    -0.85    0.06    21803 1.a3 
!   7    -0.85    0.06    23102 1.a3 a5 2.h5 g6xh5 3.f5 h4 
                                4.g6 h7xg6 5.f5xg6 Ke6 
! 7/7    -0.45    0.08    30593 1.a4 a5 2.f5 g6xf5 3.h5 Ke5 
                                4.g6 h7xg6 5.h5xg6 Kf6 
   <7>   -0.45    0.08    30593 1.a4 a5 2.f5 g6xf5 3.h5 Ke5 
                                4.g6 h7xg6 5.h5xg6 Kf6 
    8    -0.49    0.09    38465 1.a4 a5 2.f5 g6xf5 3.h5 Ke5 
                                4.h6 Kd6 5.Kxd4 f4 
! 6/8    -0.03    0.13    63734 1.f5 
!   8    +0.19    0.14    75925 1.f5 g6xf5 2.h5 Ke6 3.Kxd4 f4 
                                4.Ke4 f3 5.Ke3 Kf5 
   <8>   +0.19    0.16    77149 1.f5 g6xf5 2.h5 Ke6 3.Kxd4 f4 
                                4.Ke4 f3 5.Ke3 Kf5 
    9    +0.32    0.20   117537 1.f5 g6xf5 2.h5 Ke6 3.Kxd4 f4 
                                4.Ke4 f3 5.Kxf3 Kf5 6.g6 h7xg6 
                                7.h6 
! 3/9    +0.61    0.27   158738 1.a4 
!   9    +0.83    0.30   181056 1.a4 a5 2.f5 g6xf5 3.h5 Ke6 
                                4.Kxd4 f4 5.Ke4 f3 6.Ke3 Kf5 
   <9>   +0.83    0.31   192149 1.a4 a5 2.f5 g6xf5 3.h5 Ke6 
                                4.Kxd4 f4 5.Ke4 f3 6.Ke3 Kf5 
 3/10    +0.74    0.47   323502 1.a3 Ke6 2.Kxd4 Kf5 3.Ke3 Kg4 
                                4.a4 Kxh4 5.a5 Kh5 6.Kf3 Kh4 
                                7.Ke4 
  <10>   +0.74    0.53   362775 1.a3 Ke6 2.Kxd4 Kf5 3.Ke3 Kg4 
                                4.a4 Kxh4 5.a5 Kh5 6.Kf3 Kh4 
                                7.Ke4 
   11    +0.74    0.67   468193 1.a3 Ke6 2.Kxd4 Kf5 3.Ke3 Kg4 
                                4.a4 Kxh4 5.a5 Kg3 6.Ke4 Kg4 
                                7.Ke5 Kf3 
  <11>   +0.74    0.91   645998 1.a3 Ke6 2.Kxd4 Kf5 3.Ke3 Kg4 
                                4.a4 Kxh4 5.a5 Kg3 6.Ke4 Kg4 
                                7.Ke5 Kf3 
!  12    +1.16    1.16   853456 1.a3 
!  12    +1.23    1.45  1089629 1.a3 Ke6 2.a4 Kf5 3.Kxd4 Kxf4 
                                4.a5 Kg4 5.Kc5 Kxh4 6.Kb6 Kxg5 
                                7.Kxa6 h5 8.Kb5 Kf5 9.a6 h4 
  <12>   +1.23    1.80  1351989 1.a3 Ke6 2.a4 Kf5 3.Kxd4 Kxf4 
                                4.a5 Kg4 5.Kc5 Kxh4 6.Kb6 Kxg5 
                                7.Kxa6 h5 8.Kb5 Kf5 9.a6 h4 
!  13    +1.65    2.17  1648725 1.a3 
!  13    +2.28    3.63  2843113 1.a3 Ke6 2.Kxd4 Kd6 3.a4 a5 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 
  <13>   +2.28    4.34  3385582 1.a3 Ke6 2.Kxd4 Kd6 3.a4 a5 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 
!  14    +2.70    5.61  4402546 1.a3 
!  14    +2.81    7.06  5600922 1.a3 Ke6 2.Kxd4 Kd6 3.a4 a5 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 8.h5 Kf7 9.g6 h7xg6 
                                10.h5xg6 Kg7 11.Kg5 Kf8 12.Kf6 Ke8 
  <14>   +2.81    8.47  6627435 1.a3 Ke6 2.Kxd4 Kd6 3.a4 a5 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 8.h5 Kf7 9.g6 h7xg6 
                                10.h5xg6 Kg7 11.Kg5 Kf8 12.Kf6 Ke8 
   15    +3.15   11.75  9301431 1.a3 Ke6 2.Kxd4 Kd6 3.a4 a5 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 8.h5 Kf7 9.g6 h7xg6 
                                10.h5xg6 Kg8 11.Kf6 Kf8 12.Ke5 Kg7 
                                13.Kf5 
  <15>   +3.15   14.48 11265211 1.a3 Ke6 2.Kxd4 Kd6 3.a4 a5 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 8.h5 Kf7 9.g6 h7xg6 
                                10.h5xg6 Kg8 11.Kf6 Kf8 12.Ke5 Kg7 
                                13.Kf5 
   16    +3.14   23.39 18231600 1.a3 a5 2.a4 Ke6 3.Kxd4 Kd6 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 8.h5 Kf7 9.g6 h7xg6 
                                10.h5xg6 Kg8 11.Kf6 Kf8 12.Ke5 Kg8 
                                13.Ke6 Kg7 
  <16>   +3.14   30.31 22990341 1.a3 a5 2.a4 Ke6 3.Kxd4 Kd6 
                                4.Ke4 Ke6 5.f5 g6xf5 6.Kf4 Kf7 
                                7.Kxf5 Ke7 8.h5 Kf7 9.g6 h7xg6 
                                10.h5xg6 Kg8 11.Kf6 Kf8 12.Ke5 Kg8 
                                13.Ke6 Kg7 
!  17    +3.56   35.50 26861753 1.a3 
!  17    +3.53   39.44 29583172 1.a3 a5 2.a4 Ke6 3.Kxd4 Kd6 
                                4.Kc4 Ke7 5.Kb5 Kd7 6.Kxa5 Kc6 
                                7.Kb4 Kb6 8.a5 Ka6 9.Ka4 Ka7 
                                10.Kb5 Kb7 11.a6 Ka7 12.Ka5 Ka8 
  <17>   +3.53   56.45 40286811 1.a3 a5 2.a4 Ke6 3.Kxd4 Kd6 
                                4.Kc4 Ke7 5.Kb5 Kd7 6.Kxa5 Kc6 
                                7.Kb4 Kb6 8.a5 Ka6 9.Ka4 Ka7 
                                10.Kb5 Kb7 11.a6 Ka7 12.Ka5 Ka8 
  <18>   +3.53    1:00 42970362 1.a3 a5 

Computed move :   a3
NPS:              716172
solution found [7/7], time: 0.47, points: 25, nodes: 362775!
[Diagram of position #8]

Test position #8

White to move


FEN :          8/1p3pp1/8/3k3P/5PP1/8/3K4/8 w - -
Best Move :    g5 
Position ID:  "Larsen/Endings GMG 3.8"

 depth   value    time    nodes pv
    1    -0.05    0.00        2 1.Kd3 
   <1>   -0.05    0.00       12 1.Kd3 
    2    -0.26    0.00       25 1.Kd3 b5 
  2/2    -0.23    0.00       50 1.Ke3 b5 
  3/2    -0.19    0.00       75 1.Kc3 b5 
   <2>   -0.19    0.00       92 1.Kc3 b5 
    3    -0.15    0.00      153 1.Kc3 Ke4 2.f5 
  2/3    -0.12    0.00      208 1.Ke3 b5 2.Kd3 
!10/3    +0.23    0.00      400 1.g5 
!   3    +0.30    0.00      478 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 
   <3>   +0.30    0.00      500 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 
    4    +0.27    0.00      848 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
   <4>   +0.27    0.02     1091 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
    5    +0.38    0.02     2466 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.Ke3 
   <5>   +0.38    0.02     3731 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.Ke3 
    6    +0.03    0.04     7125 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.Ke3 Kg6 
   <6>   +0.03    0.04    10562 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.Ke3 Kg6 
    7    +0.24    0.05    19461 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.h7 Kg7 
   <7>   +0.24    0.07    27963 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.h7 Kg7 
    8    +0.31    0.08    44281 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.Kd3 b5 
   <8>   +0.31    0.10    54899 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.Kd3 b5 
!   9    +0.73    0.13    73319 1.g5 
!   9    +1.48    0.16    92815 1.g5 
!   9    +4.68    0.18   111659 1.g5 
!   9    +6.13    0.22   142815 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.Kc3 b5 6.Kb4 Ke5 
   <9>   +6.13    0.24   163526 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.Kc3 b5 6.Kb4 Ke5 
!  10    +6.55    0.27   188113 1.g5 
!  10    +7.30    0.30   212825 1.g5 
!  10    +8.56    0.44   326112 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8b8 f5 6.b8xb7 Kg4 
                                7.Ke3 
  <10>   +8.56    0.49   371475 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8b8 f5 6.b8xb7 Kg4 
                                7.Ke3 
   11    +8.76    0.71   526010 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b6 
                                7.d8xb6 f5 8.b6d6 Kh5 
  <11>   +8.76    0.79   598852 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b6 
                                7.d8xb6 f5 8.b6d6 Kh5 
   12    +8.90    1.24   947028 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b5 
                                7.Kf3 b4 8.d8d2 Kh5 9.d2h2 Kg5 
                                10.h2f4 Kh5 11.f4xf6 
  <12>   +8.90    1.38  1072581 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b5 
                                7.Kf3 b4 8.d8d2 Kh5 9.d2h2 Kg5 
                                10.h2f4 Kh5 11.f4xf6 
   13    +8.99    2.50  1928818 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b5 
                                7.Kf3 b4 8.d8d2 Kh5 9.d2xb4 g5 
                                10.b4g4 Kg6 11.Ke3 
  <13>   +8.99    2.80  2192901 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b5 
                                7.Kf3 b4 8.d8d2 Kh5 9.d2xb4 g5 
                                10.b4g4 Kg6 11.Ke3 
   14    +9.00    5.71  4390874 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b5 
                                7.Kf3 b4 8.d8d2 Kh5 9.d2xb4 Kh6 
                                10.b4d4 f5 11.Kf4 
  <14>   +9.00    6.40  4974637 1.g5 Ke4 2.h6 g6 3.h7 Kxf4 
                                4.h7h8Q Kxg5 5.h8d8 f6 6.Ke3 b5 
                                7.Kf3 b4 8.d8d2 Kh5 9.d2xb4 Kh6 
                                10.b4d4 f5 11.Kf4 
!  15    +9.42    9.40  7155650 1.g5 
!  15   +10.17   10.11  7669559 1.g5 
!  15   +12.82   26.86 19423691 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.Kc3 b5 6.Kb4 Ke7 
                                7.h7 Kd6 8.h7h8Q Kd7 9.h8f8 f6 
                                10.Kxb5 Kc7 11.f8xf6 
  <15>  +12.82   28.72 20888431 1.g5 Ke6 2.h6 g7xh6 3.g5xh6 Kf6 
                                4.f5 b6 5.Kc3 b5 6.Kb4 Ke7 
                                7.h7 Kd6 8.h7h8Q Kd7 9.h8f8 f6 
                                10.Kxb5 Kc7 11.f8xf6 
!  16   +13.24   32.96 23746025 1.g5 
!  16   +13.99   40.05 28740236 1.g5 
!  16   +17.19   48.86 34741945 1.g5 
  <16>  +17.19    1:00 42718659 

Computed move :   g5
NPS:              711740
solution found [8/8], time: 0.00, points: 25, nodes: 400!
[Diagram of position #9]

Test position #9

White to move


FEN :          8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - -
Best Move :    f6 
Position ID:  "Larsen/Endings GMG 3.9"

 depth   value    time    nodes pv
    1    -0.35    0.00        2 1.f3 
   <1>   -0.35    0.00       10 1.f3 
    2    -0.64    0.00       25 1.f3 b5 
  3/2    -0.57    0.00       54 1.Kd2 b5 
   <2>   -0.57    0.00       66 1.Kd2 b5 
    3    -0.50    0.00      101 1.Kd2 b5 2.Kc2 
   <3>   -0.50    0.00      224 1.Kd2 b5 2.Kc2 
    4    -0.57    0.00      482 1.Kd2 b5 2.f6 g5 
   <4>   -0.57    0.00      661 1.Kd2 b5 2.f6 g5 
    5    -0.51    0.02     1158 1.Kd2 b5 2.f6 g7xf6 3.Ke3 b4 
   <5>   -0.51    0.02     2068 1.Kd2 b5 2.f6 g7xf6 3.Ke3 b4 
    6    -0.76    0.02     4519 1.Kd2 f6 2.f3 b5 3.Kc2 b4 
                                4.f4 
   <6>   -0.76    0.02     6160 1.Kd2 f6 2.f3 b5 3.Kc2 b4 
                                4.f4 
    7    -0.83    0.04     9869 1.Kd2 f6 2.f3 b5 3.Kc2 b4 
                                4.f4 Kc5 
   <7>   -0.83    0.05    23694 1.Kd2 f6 2.f3 b5 3.Kc2 b4 
                                4.f4 Kc5 
    8    -0.80    0.07    37829 1.Kd2 f6 2.f3 b5 3.Kc2 b4 
                                4.Kb2 b3 5.f4 Kb4 
! 5/8    -0.41    0.10    57031 1.f6 
!   8    +0.29    0.11    69912 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 Ke5 5.g5xh6 Kf6 6.Kd3 b5 
   <8>   +0.29    0.11    72612 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 Ke5 5.g5xh6 Kf6 6.Kd3 b5 
    9    +0.39    0.15    96574 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 Ke5 5.g5xh6 Kf6 6.Kc3 b6 
                                7.Kd4 
   <9>   +0.39    0.16   108110 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 Ke5 5.g5xh6 Kf6 6.Kc3 b6 
                                7.Kd4 
!  10    +0.81    0.22   145498 1.f6 
!  10    +1.56    0.27   182368 1.f6 
!  10    +4.76    0.32   222858 1.f6 
!  10    +7.01    0.43   299531 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 Ke5 5.g5xh6 Kf6 6.Kc3 b5 
                                7.Kb4 Ke5 
  <10>   +7.01    0.44   316514 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 Ke5 5.g5xh6 Kf6 6.Kc3 b5 
                                7.Kb4 Ke5 
!  11    +7.43    0.58   415476 1.f6 
!  11    +7.84    0.93   657622 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8c8 b5 9.c8b7 Ke5 
                                10.b7xb5 Ke4 
  <11>   +7.84    0.99   706035 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8c8 b5 9.c8b7 Ke5 
                                10.b7xb5 Ke4 
   12    +7.94    1.46  1044494 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8h1 Ke3 9.h1c1 Kf3 
                                10.c1f1 Ke4 11.f1c4 Ke3 12.c4b3 Kd4 
                                13.b3xb7 
  <12>   +7.94    1.58  1144570 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8h1 Ke3 9.h1c1 Kf3 
                                10.c1f1 Ke4 11.f1c4 Ke3 12.c4b3 Kd4 
                                13.b3xb7 
   13    +7.95    2.38  1729115 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8h1 Ke3 9.h1c1 Kf3 
                                10.c1f1 Ke4 11.f1c4 Ke3 12.c4b3 Kf4 
                                13.b3xb7 g3 14.b7g2 
  <13>   +7.95    2.69  1954023 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8h1 Ke3 9.h1c1 Kf3 
                                10.c1f1 Ke4 11.f1c4 Ke3 12.c4b3 Kf4 
                                13.b3xb7 g3 14.b7g2 
   14    +8.26    6.10  4438126 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8h1 Kf4 9.Kd3 b5 
                                10.h1c1 Kg3 11.c1e3 Kg2 12.e3f4 b4 
                                13.f4xf5 
  <14>   +8.26    6.71  4893724 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 g4 
                                7.h7h8Q Ke4 8.h8h1 Kf4 9.Kd3 b5 
                                10.h1c1 Kg3 11.c1e3 Kg2 12.e3f4 b4 
                                13.f4xf5 
   15    +8.29   11.08  8104882 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 Ke4 
                                7.h7h8Q b6 8.h8e8 Kf3 9.e8c6 Kg4 
                                10.c6d7 Kf4 11.d7d4 Kf3 12.d4f6 Ke4 
                                13.f6e6 Kf4 14.e6xb6 
  <15>   +8.29   12.63  9233820 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 Ke4 
                                7.h7h8Q b6 8.h8e8 Kf3 9.e8c6 Kg4 
                                10.c6d7 Kf4 11.d7d4 Kf3 12.d4f6 Ke4 
                                13.f6e6 Kf4 14.e6xb6 
   16    +8.37   24.60 17668140 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 Ke4 
                                7.h7h8Q Kf4 8.h8d4 Kf3 9.d4d5 Kg4 
                                10.d5g2 Kh5 11.g2xb7 f4 12.b7f3 Kg6 
                                13.f3e4 Kg7 14.Kd2 Kf6 15.e4f3 
  <16>   +8.37   30.27 21682181 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 Ke4 
                                7.h7h8Q Kf4 8.h8d4 Kf3 9.d4d5 Kg4 
                                10.d5g2 Kh5 11.g2xb7 f4 12.b7f3 Kg6 
                                13.f3e4 Kg7 14.Kd2 Kf6 15.e4f3 
   17    +8.51   57.91 40882415 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 Ke4 
                                7.h7h8Q Kf4 8.h8h2 Kg4 9.h2g2 Kh5 
                                10.g2xb7 f4 11.b7f3 Kg6 12.f3d3 Kh5 
                                13.Kd2 Kh6 14.d3f3 Kg6 15.Kd3 
  <17>   +8.51    1:00 42365948 1.f6 g7xf6 2.f4 Kd4 3.g5 f6xg5 
                                4.f4xg5 h6xg5 5.h6 f5 6.h7 Ke4 
                                7.h7h8Q Kf4 8.h8h2 Kg4 9.h2g2 Kh5 
                                10.g2xb7 f4 11.b7f3 Kg6 12.f3d3 Kh5 
                                13.Kd2 Kh6 14.d3f3 Kg6 15.Kd3 

Computed move :   f6
NPS:              706099
solution found [9/9], time: 0.10, points: 25, nodes: 57031!
[Diagram of position #10]

Test position #10

Black to move


FEN :          8/8/3K1k2/5p1p/4p1p1/4P1P1/5PP1/8 b - -
Best Move :    f4 
Position ID:  "Larsen/Endings GMG 3.10"

 depth   value    time    nodes pv
    1    +0.38    0.00        2 1... Kg5 
   <1>   +0.38    0.00        8 1... Kg5 
    2    +0.08    0.01       22 1... Kg5 2.Ke5 
   <2>   +0.08    0.01       32 1... Kg5 2.Ke5 
    3    -0.09    0.01       75 1... Kg5 2.Ke5 Kg6 
  2/3    +0.01    0.01      139 1... Kg6 2.Ke5 Kg5 
   <3>   +0.01    0.01      177 1... Kg6 2.Ke5 Kg5 
    4    +0.08    0.01      400 1... Kg6 2.Ke6 Kg5 3.Ke5 Kg6 
   <4>   +0.08    0.01      546 1... Kg6 2.Ke6 Kg5 3.Ke5 Kg6 
    5    -0.12    0.01     1009 1... Kg6 2.Ke6 Kg5 3.Ke5 Kg6 
                                4.Kf4 
   <5>   -0.12    0.01     1684 1... Kg6 2.Ke6 Kg5 3.Ke5 Kg6 
                                4.Kf4 Kf6 5.f3 
    6    -0.20    0.03     2626 1... Kg6 2.Ke6 Kg5 3.Kf7 h4 
                                4.g3xh4 Kxh4 5.Kf6 
   <6>   -0.20    0.03     3375 1... Kg6 2.Ke6 Kg5 3.Kf7 h4 
                                4.g3xh4 Kxh4 5.Kf6 
    7    -0.20    0.03     5818 1... Kg6 2.Ke6 Kg5 3.Kf7 h4 
                                4.g3xh4 Kxh4 5.Kf6 g3 6.f4 
   <7>   -0.20    0.03     7499 1... Kg6 2.Ke6 Kg5 3.Kf7 h4 
                                4.g3xh4 Kxh4 5.Kf6 g3 6.f4 
! 4/8    +0.22    0.09    43635 1... f4 
!   8    +0.97    0.11    64696 1... f4 
!   8    +4.17    0.16    99654 1... f4 
!   8    +5.76    0.20   126393 1... f4 2.e3xf4 h4 3.g3xh4 g3 
                                4.f2xg3 e3 5.h5 e2 6.g4 e2e1Q 
                                7.g5 Kf5 8.g6 Kxf4 
   <8>   +5.76    0.20   127299 1... f4 2.e3xf4 h4 3.g3xh4 g3 
                                4.f2xg3 e3 5.h5 e2 6.g4 e2e1Q 
                                7.g5 Kf5 8.g6 Kxf4 
    9    +6.03    0.30   196743 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.f3xg4 h2 6.Kf4 h2h1Q 
                                7.g5 Kg6 8.f3 h1h2 
   <9>   +6.03    0.31   208992 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.f3xg4 h2 6.Kf4 h2h1Q 
                                7.g5 Kg6 8.f3 h1h2 
   10    +6.07    0.48   334641 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.f3xg4 h2 6.Kf4 h2h1Q 
                                7.f3 h1c1 8.g5 Kg6 9.g4 
  <10>   +6.07    0.51   356777 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.f3xg4 h2 6.Kf4 h2h1Q 
                                7.f3 h1c1 8.g5 Kg6 9.g4 
!  11    +6.49    0.73   512668 1... f4 
!  11    +7.11    0.98   720060 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.f3xg4 h2 6.Kf4 h2h1Q 
                                7.f3 h1h2 8.g5 Kg6 9.Ke4 h2xg3 
  <11>   +7.11    1.05   764078 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.f3xg4 h2 6.Kf4 h2h1Q 
                                7.f3 h1h2 8.g5 Kg6 9.Ke4 h2xg3 
   12    +7.09    1.45  1082712 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.Kf4 h2 6.Kxg4 h2h1Q 
                                7.f4 h1e4 8.Kh3 e4f3 9.Kh4 f3xf2 
                                10.e4 
  <12>   +7.09    1.64  1225780 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.Kf4 h2 6.Kxg4 h2h1Q 
                                7.f4 h1e4 8.Kh3 e4f3 9.Kh4 f3xf2 
                                10.e4 
!  13    +7.51    2.41  1782220 1... f4 
!  13    +7.52    3.16  2375148 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.Kf4 h2 6.f3xg4 h2h1Q 
                                7.g5 Kg6 8.f3 h1h2 9.e4 h2d2 
                                10.Kg4 d2e3 11.f4 e3e2 12.Kh4 e2xe4 
  <13>   +7.52    3.56  2652369 1... f4 2.Kd5 h4 3.Kxe4 f3 
                                4.g2xf3 h3 5.Kf4 h2 6.f3xg4 h2h1Q 
                                7.g5 Kg6 8.f3 h1h2 9.e4 h2d2 
                                10.Kg4 d2e3 11.f4 e3e2 12.Kh4 e2xe4 
!  14    +7.94    5.20  3833241 1... f4 
!  14    +8.43    8.19  5994546 1... f4 2.Kd5 f3 3.g2xf3 e4xf3 
                                4.Ke4 Kg5 5.Ke5 h4 6.g3xh4 Kxh4 
                                7.Kf4 Kh3 8.e4 g3 9.Kxf3 g2 
                                10.Ke2 g2g1Q 11.f4 Kg4 
  <14>   +8.43    9.12  6645908 1... f4 2.Kd5 f3 3.g2xf3 e4xf3 
                                4.Ke4 Kg5 5.Ke5 h4 6.g3xh4 Kxh4 
                                7.Kf4 Kh3 8.e4 g3 9.Kxf3 g2 
                                10.Ke2 g2g1Q 11.f4 Kg4 
   15    +8.49   15.31 10750636 1... f4 2.Kd5 f3 3.g2xf3 e4xf3 
                                4.Ke4 Kg5 5.Ke5 h4 6.g3xh4 Kxh4 
                                7.Kf4 Kh3 8.e4 g3 9.Kxf3 g2 
                                10.Kf4 g2g1Q 11.f3 g1c5 12.e5 c5d5 
  <15>   +8.49   18.50 12947627 1... f4 2.Kd5 f3 3.g2xf3 e4xf3 
                                4.Ke4 Kg5 5.Ke5 h4 6.g3xh4 Kxh4 
                                7.Kf4 Kh3 8.e4 g3 9.Kxf3 g2 
                                10.Kf4 g2g1Q 11.f3 g1c5 12.e5 c5d5 
!  16    +8.91   32.61 22199644 1... f4 
!  16    +9.66   44.48 30390010 1... f4 
  <16>   +9.66    1:00 40624358 

Computed move :   f4
NPS:              676959
solution found [10/10], time: 0.09, points: 25, nodes: 43635!
© Steffen A. Jakob