[ Test Suite wac | Hossa ]

Positions 251 - 260


[Diagram of position #251]

Test position #251

White to move


FEN :          k7/p4p2/P1q1b1p1/3p3p/3Q4/7P/5PP1/1R4K1 w - -
Best Moves:    Qe5 Qf4 
Position ID:  "WAC.251"

 depth   value    time    nodes pv
    1    +0.43    0.00        3 1.h4 c6xa6 
  2/1    +0.53    0.00       24 1.Kf1 c6xa6 2.Ke1 
  4/1    +1.59    0.00      313 1.d4h8 c6c8 2.h8xc8 e6xc8 
   <1>   +1.59    0.01      452 1.d4h8 c6c8 2.h8xc8 e6xc8 
    2    +1.22    0.01      838 1.d4h8 c6c8 2.h8a1 c8c2 
 20/2    +1.38    0.01     1395 1.d4d3 c6c4 
   <2>   +1.38    0.01     1483 1.d4d3 c6c4 
    3    +1.44    0.01     1705 1.d4d3 c6c4 2.d3a3 
 14/3    +1.67    0.03     3877 1.d4e5 c6c8 2.e5d6 
   <3>   +1.67    0.03     4485 1.d4e5 c6c8 2.e5d6 
    4    +1.34    0.03     4955 1.d4e5 c6c8 2.e5d6 c8c2 
  4/4    +1.48    0.04    12653 1.d4h8 c6c8 2.h8e5 h4 3.e5d4 c8c2 
   <4>   +1.48    0.06    18969 1.d4h8 c6c8 2.h8e5 h4 3.e5d4 c8c2 
    5    +1.66    0.09    30828 1.d4h8 c6c8 2.h8e5 h4 3.e5d6 f6 
                                4.d6e7 c8xa6 5.e7xf6 
   <5>   +1.66    0.11    42338 1.d4h8 c6c8 2.h8e5 h4 3.e5d6 f6 
                                4.d6e7 c8xa6 5.e7xf6 
    6    +1.72    0.14    58506 1.d4h8 c6c8 2.h8e5 c8d8 3.e5b2 d8c8 
                                4.b2b7 c8xb7 5.a6xb7 Kb8 6.Kf1 
   <6>   +1.72    0.18    77816 1.d4h8 c6c8 2.h8e5 c8d8 3.e5b2 d8c8 
                                4.b2b7 c8xb7 5.a6xb7 Kb8 6.Kf1 
    7    +1.70    0.26   120447 1.d4h8 c6c8 2.h8e5 c8d8 3.h4 d8e8 
                                4.e5d6 e8c8 5.Kf1 
! 5/7    +2.14    0.32   147493 1.d4f4 
!   7    +2.89    0.32   149709 1.d4f4 
!   7    +6.09    0.32   150888 1.d4f4 
!   7       #6    0.37   172929 1.d4f4 c6c8 2.f4d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
                                7.c6c8 c6c8 
   <7>      #6    0.40   188209 1.d4f4 c6c8 2.f4d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
                                7.c6c8 c6c8 
  2/8       #6    1.00   540060 1.d4e5 c6c8 2.e5d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
   <8>      #6    1.09   588330 1.d4e5 c6c8 2.e5d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
    9       #6    1.14   613994 1.d4e5 c6c8 2.e5d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
   <9>      #6    1.28   707103 1.d4e5 c6c8 2.e5d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
   10       #6    1.39   769888 1.d4e5 c6c8 2.e5d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 
  <10>      #6    1.62   931147 1.d4e5 c6c8 2.e5d6 e6d7 3.b1b8 c8xb8 
                                4.d6xd5 d7c6 5.d5xc6 b8b7 6.c6xb7 c6xb7 

Computed move :   d4e5
NPS:              574782
solution found [249/251], time: 0.32, points: 25, nodes: 147493!
[Diagram of position #252]

Test position #252

Black to move


FEN :          1rb1r1k1/p1p2ppp/5n2/2pP4/5P2/2QB4/qNP3PP/2KRB2R b - -
Best Move :    Re2 
Position ID:  "WAC.252"

 depth   value    time    nodes pv
    1    -0.03    0.00        4 1... f6xd5 
 14/1    +1.23    0.00      438 1... a2a1 2.Kd2 a1xb2 3.c3xb2 b8xb2 
   <1>   +1.23    0.00      558 1... a2a1 2.Kd2 a1xb2 3.c3xb2 b8xb2 
    2    +1.23    0.01     2159 1... a2a1 2.Kd2 a1xb2 3.c3xb2 b8xb2 
! 2/2    +1.65    0.01     2324 1... f6xd5 
!   2    +2.40    0.01     2411 1... f6xd5 
!   2    +2.61    0.01     2502 1... f6xd5 2.d3xh7 Kxh7 
   <2>   +2.61    0.01     2924 1... f6xd5 2.d3xh7 Kxh7 
?   3    +2.19    0.03     5063 1... f6xd5 2.d3xh7 Kxh7 3.c3d3 Kg8 
                                4.d3xd5 a2xb2 5.Kd2 
   <3>   +2.19    0.03     5110 1... f6xd5 2.d3xh7 Kxh7 3.c3d3 Kg8 
                                4.d3xd5 a2xb2 5.Kd2 
    4    +2.19    0.03     6933 1... f6xd5 2.d3xh7 Kxh7 3.c3d3 Kg8 
                                4.d3xd5 
   <4>   +2.19    0.04    13531 1... f6xd5 2.d3xh7 Kxh7 3.c3d3 Kg8 
                                4.d3xd5 
    5    +2.19    0.04    19227 1... f6xd5 2.d3xh7 Kxh7 3.c3d3 Kg8 
                                4.d3xd5 a2xb2 
   <5>   +2.19    0.07    39630 1... f6xd5 2.d3xh7 Kxh7 3.c3d3 Kg8 
                                4.d3xd5 a2xb2 
    6    +2.46    0.10    58388 1... f6xd5 2.d3xh7 Kxh7 3.d1xd5 a2xd5 
                                4.c3d3 d5f5 5.d3xf5 c8xf5 6.e1c3 
   <6>   +2.46    0.21   155637 1... f6xd5 2.d3xh7 Kxh7 3.d1xd5 a2xd5 
                                4.c3d3 d5f5 5.d3xf5 c8xf5 6.e1c3 
    7    +2.55    0.28   209106 1... f6xd5 2.d3xh7 Kxh7 3.d1xd5 a2xd5 
                                4.c3d3 d5f5 5.d3xf5 c8xf5 6.e1c3 f5e4 
! 8/7    +2.88    1.82  1421297 1... e8e2 
!   7    +3.63    1.90  1471606 1... e8e2 
!   7    +6.83    1.95  1495589 1... e8e2 
!   7    +9.80    2.06  1555735 1... e8e2 2.d3xe2 f6e4 3.c3xg7 Kxg7 
                                4.e1c3 e4xc3 5.b2d3 c3xe2 6.Kd2 c8g4 
                                7.h1e1 a2xd5 8.e1xe2 g4xe2 9.Kxe2 d5xg2 
                                10.d3f2 g2xh2 
   <7>   +9.80    2.10  1597118 1... e8e2 2.d3xe2 f6e4 3.c3xg7 Kxg7 
                                4.e1c3 e4xc3 5.b2d3 c3xe2 6.Kd2 c8g4 
                                7.h1e1 a2xd5 8.e1xe2 g4xe2 9.Kxe2 d5xg2 
                                10.d3f2 g2xh2 
!   8   +10.22    4.15  3038785 1... e8e2 
!   8   +10.97    4.65  3311848 1... e8e2 
!   8   +14.17    8.53  5670647 1... e8e2 
   <8>  +14.17    8.53  5670647 1... e8e2 

Computed move :   e8e2
NPS:              664788
solution found [250/252], time: 1.82, points: 18, nodes: 1421297!
[Diagram of position #253]

Test position #253

White to move


FEN :          k5r1/p4b2/2P5/5p2/3P1P2/4QBrq/P5P1/4R1K1 w - -
Best Move :    Qe8+ 
Position ID:  "WAC.253"

 depth   value    time    nodes pv
    1    -2.67    0.00        3 1.e1b1 
 22/1    -2.60    0.00       77 1.d5 
   <1>   -2.60    0.00      117 1.d5 
? 2/2    -3.12    0.00     1883 1.c7 g3xf3 2.c7c8Q g8xc8 3.g2xh3 c8g8 
                                4.Kh2 f3xe3 5.e1xe3 f7xa2 
   <2>   -3.12    0.00     2098 1.c7 g3xf3 2.c7c8Q g8xc8 3.g2xh3 c8g8 
                                4.Kh2 f3xe3 5.e1xe3 f7xa2 
!   3    -2.70    0.02     4847 1.c7 
!   3    -1.95    0.02     4924 1.c7 
!   3    +1.25    0.02     4996 1.c7 
!   3    +6.94    0.02     5714 1.c7 g3xf3 2.e3e8 g8xe8 3.e1xe8 Kb7 
                                4.c7c8Q Kb6 5.g2xh3 f7xe8 6.c8xe8 f3xf4 
! 2/3       #4    0.02     5934 1.e3e8 g8xe8 2.e1xe8 f7xe8 3.c7 e8c6 
                                4.c7c8Q c7c8Q 
   <3>      #4    0.03     6021 1.e3e8 g8xe8 2.e1xe8 f7xe8 3.c7 e8c6 
                                4.c7c8Q c7c8Q 

Computed move :   e3e8
NPS:              200700
solution found [251/253], time: 0.02, points: 25, nodes: 6021!
[Diagram of position #254]

Test position #254

Black to move


FEN :          r6k/pp3p1p/2p1bp1q/b3p3/4Pnr1/2PP2NP/PP1Q1PPN/R2B2RK b - -
Best Move :    Nxh3 
Position ID:  "WAC.254"

 depth   value    time    nodes pv
    1    -1.32    0.00        2 1... g4g8 
   <1>   -1.32    0.00       71 1... g4g8 
    2    -1.47    0.00      115 1... g4g8 2.h2g4 
   <2>   -1.47    0.00      299 1... g4g8 2.h2g4 
  2/3    -1.48    0.01     1939 1... g4g5 2.h2f3 g5g8 
  4/3    -1.41    0.01     3013 1... g4g6 2.d1g4 h6h4 3.g4xe6 f7xe6 
!34/3    -1.05    0.01     4639 1... f4xh3 
!   3    -0.30    0.03     4788 1... f4xh3 
!   3    +0.05    0.03     5596 1... f4xh3 2.d2e1 g4xg3 3.f2xg3 h3xg1 
                                4.Kxg1 
   <3>   +0.05    0.03     5830 1... f4xh3 2.d2e1 g4xg3 3.f2xg3 h3xg1 
                                4.Kxg1 
    4    +0.05    0.03     7064 1... f4xh3 2.d2e1 g4xg3 3.f2xg3 
   <4>   +0.05    0.04     9670 1... f4xh3 2.d2e1 g4xg3 3.f2xg3 
!   5    +0.47    0.04    11322 1... f4xh3 
!   5    +1.22    0.04    12337 1... f4xh3 
!   5    +2.96    0.06    16483 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xd3 
                                4.g4xe6 f7xe6 
   <5>   +2.96    0.06    21930 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xd3 
                                4.g4xe6 f7xe6 
    6    +2.84    0.09    31153 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xf2 
                                4.g4xe6 f7xe6 
   <6>   +2.84    0.11    48521 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xf2 
                                4.g4xe6 f7xe6 
!   7    +3.26    0.15    70844 1... f4xh3 
!   7    +3.85    0.17    85439 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xf2 6.b1xb7 a5xc3 
   <7>   +3.85    0.22   115077 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xf2 6.b1xb7 a5xc3 
    8    +3.85    0.26   142633 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xf2 
   <8>   +3.85    0.28   152768 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xf2 
    9    +3.57    0.37   209917 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
   <9>   +3.57    0.42   262669 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
   10    +3.52    0.62   384659 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.h2g4 
  <10>   +3.52    1.17   828734 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.h2g4 
   11    +3.68    1.68  1141246 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.b7f7 d3d2 8.f7xf6 d2xa2 
  <11>   +3.68    2.14  1622325 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.b7f7 d3d2 8.f7xf6 d2xa2 
   12    +3.68    2.92  2124422 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.Kg2 d3c2 8.h2g4 
  <12>   +3.68    4.37  3572815 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.Kg2 d3c2 8.h2g4 
   13    +3.69    7.00  5245483 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.Kg2 d3c2 8.h2g4 a5b6 9.a4 
  <13>   +3.69    9.56  7839009 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.Kg2 d3c2 8.h2g4 a5b6 9.a4 
  <14>   +3.69   10.00  8079326 1... f4xh3 2.d1xg4 h6xd2 3.g2xh3 d2xb2 
                                4.g4xe6 f7xe6 5.a1b1 b2xc3 6.b1xb7 c3xd3 
                                7.Kg2 d3c2 8.h2g4 a5b6 9.b7f7 b6d4 

Computed move :   f4xh3
NPS:              807125
solution found [252/254], time: 0.01, points: 25, nodes: 4639!
[Diagram of position #255]

Test position #255

White to move


FEN :          3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -
Best Move :    Rfxg6+ 
Position ID:  "WAC.255"

 depth   value    time    nodes pv
    1    -5.09    0.00        4 1.h4f2 Kxf6 
  2/1    -4.92    0.00       17 1.h4e1 Kxf6 
 15/1    -4.70    0.00      227 1.f6xf7 Kxf7 2.h4g3 d5xa2 3.g4xg6 a2xc2 
 16/1    -3.75    0.00      323 1.f6xg6 f7xg6 2.h4e7 Kh6 
   <1>   -3.75    0.00      501 1.f6xg6 f7xg6 2.h4e7 Kh6 
?   2    -4.19    0.01     2120 1.f6xg6 f7xg6 2.h4e7 d5f7 3.e7e5 Kh7 
   <2>   -4.19    0.01     2787 1.f6xg6 f7xg6 2.h4e7 d5f7 3.e7e5 Kh7 
!   3    -3.77    0.01     4054 1.f6xg6 
!   3    -3.02    0.01     4437 1.f6xg6 
!   3    +0.18    0.03     5105 1.f6xg6 
!   3    +1.71    0.03     6797 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e7xf7 Ke4 
   <3>   +1.71    0.03     8105 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e7xf7 Ke4 
    4    +2.02    0.04    16500 1.f6xg6 f7xg6 2.h4e7 Kh6 3.g4h4 d5h5 
                                4.h4xh5 g6xh5 5.e7e6 Kg7 6.e6e7 Kg6 
                                7.e7xb4 
   <4>   +2.02    0.06    19626 1.f6xg6 f7xg6 2.h4e7 Kh6 3.g4h4 d5h5 
                                4.h4xh5 g6xh5 5.e7e6 Kg7 6.e6e7 Kg6 
                                7.e7xb4 
!   5    +2.44    0.09    31165 1.f6xg6 
!   5    +3.19    0.09    33625 1.f6xg6 
!   5    +3.40    0.12    53625 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7c5 Ke4 
                                7.f7xd8 e8xd8 8.c5xb4 d8xd4 
   <5>   +3.40    0.14    62338 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7c5 Ke4 
                                7.f7xd8 e8xd8 8.c5xb4 d8xd4 
!   6    +3.82    0.15    70709 1.f6xg6 
!   6    +4.28    0.20   100278 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7xb4 d8b8 
                                7.b4a5 Ke4 8.a5xa7 
   <6>   +4.28    0.23   122640 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7xb4 d8b8 
                                7.b4a5 Ke4 8.a5xa7 
    7    +4.39    0.36   198901 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7c5 Kf6 
                                7.f7xd8 e8xd8 8.c5xb4 d8g8 
   <7>   +4.39    0.40   248655 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7c5 Kf6 
                                7.f7xd8 e8xd8 8.c5xb4 d8g8 
    8    +4.76    0.78   454457 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7c5 Kf6 
                                7.f7xd8 e8xd8 8.c5xb4 c1e3 9.c3 
   <8>   +4.76    0.81   482427 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e5xf7 h8e8 6.e7c5 Kf6 
                                7.f7xd8 e8xd8 8.c5xb4 c1e3 9.c3 
    9    +4.96    1.76  1027923 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e7xf7 Ke4 6.f7f3 Kxd4 
                                7.e5f7 b3 8.f7xd8 b2 9.f3d3 Kc5 
                                10.d8e6 Kc6 11.c4 
   <9>   +4.96    1.82  1078285 1.f6xg6 f7xg6 2.h4e7 d5f7 3.g4xg6 Kxg6 
                                4.f3e5 Kf5 5.e7xf7 Ke4 6.f7f3 Kxd4 
                                7.e5f7 b3 8.f7xd8 b2 9.f3d3 Kc5 
                                10.d8e6 Kc6 11.c4 
!  10    +5.38    2.76  1583942 1.f6xg6 
  <10>   +5.38    2.76  1583942 1.f6xg6 

Computed move :   f6xg6
NPS:              573892
solution found [253/255], time: 0.00, points: 25, nodes: 501!
[Diagram of position #256]

Test position #256

White to move


FEN :          3r1rk1/1pb1qp1p/2p3p1/p7/P2Np2R/1P5P/1BP2PP1/3Q1BK1 w - -
Best Move :    Nf5 
Position ID:  "WAC.256"

 depth   value    time    nodes pv
    1    -9.49    0.00        4 1.d4e2 d8xd1 
  2/1    +0.94    0.00        6 1.h4g4 
 12/1    +1.19    0.00       25 1.d1g4 
   <1>   +1.19    0.00       70 1.d1g4 
    2    +1.19    0.00      148 1.d1g4 f8e8 
   <2>   +1.19    0.00      298 1.d1g4 f8e8 
    3    +1.48    0.01      683 1.d1g4 f8e8 2.d4f5 
   <3>   +1.48    0.01     1526 1.d1g4 f8e8 2.d4f5 
?   4    +0.96    0.03    12466 1.d1g4 e7e5 2.f4 e5e7 
   <4>   +0.96    0.03    15242 1.d1g4 e7e5 2.f4 e5e7 
! 2/5    +1.38    0.06    30208 1.d4f5 
!   5    +2.13    0.07    32294 1.d4f5 
!   5    +2.86    0.07    37782 1.d4f5 e7g5 2.f5h6 g5xh6 3.d1xd8 c7xd8 
                                4.h4xh6 
   <5>   +2.86    0.09    41467 1.d4f5 e7g5 2.f5h6 g5xh6 3.d1xd8 c7xd8 
                                4.h4xh6 
?   6    -0.83    0.15    94328 1.d4f5 e7g5 2.f5h6 g5xh6 3.d1xd8 c7xd8 
                                4.h4xh6 d8g5 5.b2a3 g5xh6 6.a3xf8 h6xf8 
? 2/6    -0.21    0.18   112973 1.d1g4 f5 2.f1c4 d8d5 3.c4xd5 c6xd5 
                                4.d4xf5 f8xf5 5.b2d4 
?10/6    +0.35    0.23   142736 1.h4g4 f5 2.f1c4 f8f7 3.c4xf7 Kxf7 
                                4.g4g3 c7xg3 5.f2xg3 
   <6>   +0.35    0.26   155800 1.h4g4 f5 2.f1c4 f8f7 3.c4xf7 Kxf7 
                                4.g4g3 c7xg3 5.f2xg3 
? 5/7    -0.30    0.57   376230 1.d1g4 f5 2.f1c4 d8d5 3.c4xd5 c6xd5 
                                4.d4xf5 f8xf5 5.b2d4 c7e5 
   <7>   -0.30    0.61   411661 1.d1g4 f5 2.f1c4 d8d5 3.c4xd5 c6xd5 
                                4.d4xf5 f8xf5 5.b2d4 c7e5 
!   8    +0.12    0.76   498978 1.d1g4 
!   8    +0.48    0.90   588566 1.d1g4 e7e5 2.f4 e5g7 3.c3 h5 
                                4.g4g3 f8e8 5.g3e3 
! 6/8    +0.87    1.56  1010804 1.g3 
!   8    +1.04    2.01  1274284 1.g3 h5 2.d1c1 f8e8 3.f1g2 e7c5 
                                4.d4e2 c5d5 
   <8>   +1.04    2.06  1318958 1.g3 h5 2.d1c1 f8e8 3.f1g2 e7c5 
                                4.d4e2 c5d5 
    9    +1.30    3.97  2527179 1.g3 f8e8 2.d1c1 e3 3.c1e1 e7e5 
                                4.f1d3 e3xf2 5.e1xf2 e5xg3 6.f2xg3 c7xg3 
   <9>   +1.30    4.39  2853548 1.g3 f8e8 2.d1c1 e3 3.c1e1 e7e5 
                                4.f1d3 e3xf2 5.e1xf2 e5xg3 6.f2xg3 c7xg3 
   10    +1.45    8.86  5618544 1.g3 f8e8 2.d1c1 h5 3.f1g2 e7c5 
                                4.c3 d8xd4 5.c3xd4 c5d5 6.c1d2 
  <10>   +1.45   10.00  6468589 1.g3 f8e8 2.d1c1 h5 3.f1g2 e7c5 
                                4.c3 d8xd4 5.c3xd4 c5d5 6.c1d2 

Computed move :   g3
NPS:              646212
no solution found [:-( [253/256]!
[Diagram of position #257]

Test position #257

White to move


FEN :          4r1k1/pq3p1p/2p1r1p1/2Q1p3/3nN1P1/1P6/P1P2P1P/3RR1K1 w - -
Best Move :    Rxd4 
Position ID:  "WAC.257"

 depth   value    time    nodes pv
    1    +1.50    0.00        2 1.g5 
   <1>   +1.50    0.00      121 1.g5 
? 3/2    +0.42    0.00      907 1.e4g5 e6e7 
   <2>   +0.42    0.00     1320 1.e4g5 e6e7 
    3    +0.51    0.00     1653 1.e4g5 e6e7 2.f4 
   <3>   +0.51    0.01     3480 1.e4g5 e6e7 2.f4 
    4    +0.46    0.01     5153 1.e4g5 e6e7 2.f4 b7c8 
   <4>   +0.46    0.03    10598 1.e4g5 e6e7 2.f4 b7c8 
    5    +0.35    0.04    17889 1.e4g5 e6e7 2.a4 b7b6 3.c5c3 
  4/5    +0.38    0.06    25508 1.d1d3 e8d8 2.g5 d8d5 3.c5c4 
  8/5    +0.40    0.07    32050 1.Kg2 e8d8 2.e4g5 d8d5 3.g5xe6 d5xc5 
                                4.e6xc5 
   <5>   +0.40    0.09    41758 1.Kg2 e8d8 2.e4g5 d8d5 3.g5xe6 d5xc5 
                                4.e6xc5 
    6    +0.40    0.12    62022 1.Kg2 e8d8 2.e4g5 d8d5 3.g5xe6 d5xc5 
                                4.e6xc5 
  2/6    +0.52    0.18    96756 1.d1d3 b7b5 2.e1d1 b5xc5 3.e4xc5 e6d6 
!12/6    +0.82    0.23   128051 1.d1xd4 
!   6    +1.57    0.26   142739 1.d1xd4 
!   6    +4.05    0.31   174116 1.d1xd4 b7c7 2.d4d3 f5 3.e4d6 e8d8 
   <6>   +4.05    0.32   182118 1.d1xd4 b7c7 2.d4d3 f5 3.e4d6 e8d8 
    7    +4.22    0.42   239531 1.d1xd4 b7c7 2.d4d3 e8b8 3.e4d6 b8d8 
                                4.e1d1 a5 
   <7>   +4.22    0.45   271181 1.d1xd4 b7c7 2.d4d3 e8b8 3.e4d6 b8d8 
                                4.e1d1 a5 
    8    +4.52    0.90   541366 1.d1xd4 b7c7 2.g5 e5xd4 3.e4f6 Kh8 
                                4.e1xe6 f7xe6 5.f6xe8 c7f4 
   <8>   +4.52    0.92   557687 1.d1xd4 b7c7 2.g5 e5xd4 3.e4f6 Kh8 
                                4.e1xe6 f7xe6 5.f6xe8 c7f4 
    9    +4.60    1.48   912879 1.d1xd4 b7c7 2.g5 e5xd4 3.e4f6 Kh8 
                                4.e1xe6 f7xe6 5.f6xe8 c7f4 6.e8f6 f4d2 
   <9>   +4.60    1.50   945136 1.d1xd4 b7c7 2.g5 e5xd4 3.e4f6 Kh8 
                                4.e1xe6 f7xe6 5.f6xe8 c7f4 6.e8f6 f4d2 
   10    +4.60    2.18  1385356 1.d1xd4 b7c7 2.g5 e5xd4 3.e4f6 Kh8 
                                4.e1xe6 f7xe6 5.f6xe8 c7f4 6.e8f6 f4c1 
                                7.Kg2 d3 
  <10>   +4.60    2.26  1467373 1.d1xd4 b7c7 2.g5 e5xd4 3.e4f6 Kh8 
                                4.e1xe6 f7xe6 5.f6xe8 c7f4 6.e8f6 f4c1 
                                7.Kg2 d3 

Computed move :   d1xd4
NPS:              649280
solution found [254/257], time: 0.23, points: 25, nodes: 128051!
[Diagram of position #258]

Test position #258

White to move


FEN :          r3brkn/1p5p/2p2Ppq/2Pp3B/3Pp2Q/4P1R1/6PP/5R1K w - -
Best Move :    Bxg6 
Position ID:  "WAC.258"

 depth   value    time    nodes pv
    1    -5.56    0.00        6 1.g3h3 h6xh5 
  2/1    -0.85    0.00       12 1.Kg1 
   <1>   -0.85    0.00      108 1.Kg1 
?   2    -3.27    0.01      732 1.Kg1 e8d7 
? 4/2    -2.72    0.01      911 1.h4g4 f8f7 
? 9/2    -2.32    0.01      983 1.g3g5 f8f7 
   <2>   -2.32    0.01     1069 1.g3g5 f8f7 
    3    -2.35    0.01     1280 1.g3g5 f8f7 2.Kg1 
   <3>   -2.35    0.01     2587 1.g3g5 f8f7 2.Kg1 
? 3/4    -2.77    0.03     8673 1.Kg1 f8f7 2.g3g5 a8a2 
   <4>   -2.77    0.03     8698 1.Kg1 f8f7 2.g3g5 a8a2 
    5    -3.18    0.04    11675 1.Kg1 f8f7 2.h4g5 h6xg5 3.g3xg5 
! 5/5    -2.35    0.04    17055 1.h5xg6 
!   5    -1.60    0.04    18025 1.h5xg6 
!   5    +0.80    0.06    20846 1.h5xg6 h6xg6 2.g3xg6 h8xg6 3.h4h5 f8f7 
   <5>   +0.80    0.06    23525 1.h5xg6 h6xg6 2.g3xg6 h8xg6 3.h4h5 f8f7 
    6    +0.98    0.07    33318 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 e8d7 
   <6>   +0.98    0.09    43401 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 e8d7 
    7    +0.90    0.12    65179 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 a8a3 5.h5e2 
   <7>   +0.90    0.15    92783 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 a8a3 5.h5e2 
    8    +0.90    0.22   142756 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 a8a3 5.h5e2 a3a8 
   <8>   +0.90    0.25   160415 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 a8a3 5.h5e2 a3a8 
    9    +0.92    0.40   276760 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 e8d7 5.g3 d7e6 6.Kg2 
   <9>   +0.92    0.43   311692 1.h5xg6 h6xg6 2.Kg1 f8f7 3.g3xg6 h8xg6 
                                4.h4h5 e8d7 5.g3 d7e6 6.Kg2 
   10    +0.95    0.95   610119 1.h5xg6 h6xg6 2.g3xg6 h8xg6 3.h4f2 f8f7 
                                4.g4 e8d7 5.f2e2 d7e6 6.g5 a8a3 
  <10>   +0.95    1.09   736929 1.h5xg6 h6xg6 2.g3xg6 h8xg6 3.h4f2 f8f7 
                                4.g4 e8d7 5.f2e2 d7e6 6.g5 a8a3 
   11    +0.95    1.76  1131058 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.f1b1 a3a7 6.f4c7 a7a3 
                                7.b1xb7 a3xe3 8.c7xc6 
  <11>   +0.95    1.95  1320899 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.f1b1 a3a7 6.f4c7 a7a3 
                                7.b1xb7 a3xe3 8.c7xc6 
   12    +0.95    3.54  2260560 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.f1b1 a3a7 6.f4c7 a7a3 
                                7.Kf2 a3a2 8.Kg1 a2a3 9.b1xb7 a3xe3 
                                10.c7xc6 e3e1 
  <12>   +0.95    4.15  2844432 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.f1b1 a3a7 6.f4c7 a7a3 
                                7.Kf2 a3a2 8.Kg1 a2a3 9.b1xb7 a3xe3 
                                10.c7xc6 e3e1 
   13    +0.97    6.82  4507687 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.Kf2 a3a2 6.Kg3 a2a3 
                                7.f1b1 a3a7 8.f4c7 a7a3 9.Kf4 a3a2 
  <13>   +0.97    7.32  5064151 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.Kf2 a3a2 6.Kg3 a2a3 
                                7.f1b1 a3a7 8.f4c7 a7a3 9.Kf4 a3a2 
  <14>   +0.97   10.00  6425443 1.h5xg6 h6xg6 2.g3xg6 e8xg6 3.Kg1 h8f7 
                                4.h4f4 a8a3 5.Kf2 a3a2 6.Kg3 a2b2 
                                7.f4g4 f8a8 8.h4 b2b3 9.Kf4 b3a3 

Computed move :   h5xg6
NPS:              641902
solution found [255/258], time: 0.04, points: 25, nodes: 17055!
[Diagram of position #259]

Test position #259

White to move


FEN :          r1bq1rk1/ppp2ppp/2np4/2bN1PN1/2B1P3/3p4/PPP2nPP/R1BQ1K1R w - -
Best Move :    Qh5 
Position ID:  "WAC.259"

 depth   value    time    nodes pv
    1    -4.99    0.00        7 1.d1d2 f2xh1 2.c2xd3 
  3/1    -2.68    0.00       26 1.d1h5 
   <1>   -2.68    0.00      214 1.d1h5 
    2    -2.28    0.00      460 1.d1h5 h6 
   <2>   -2.28    0.00      969 1.d1h5 h6 
?   3    -3.49    0.02     6852 1.d1h5 h6 2.h1g1 h6xg5 3.c2xd3 
   <3>   -3.49    0.02     9406 1.d1h5 h6 2.h1g1 h6xg5 3.c2xd3 
    4    -3.49    0.04    10060 1.d1h5 h6 2.h1g1 h6xg5 
   <4>   -3.49    0.04    16501 1.d1h5 h6 2.h1g1 h6xg5 
?   5    -3.29    0.11    49754 1.d1h5 h6 2.h1g1 h6xg5 3.c2xd3 g4 
                                4.c1g5 
   <5>   -3.29    0.11    49796 1.d1h5 h6 2.h1g1 h6xg5 3.c2xd3 g4 
                                4.c1g5 
    6    -3.50    0.14    64679 1.d1h5 h6 2.h1g1 d3xc2 3.d5e3 c6e5 
                                4.Kxf2 e5xc4 
   <6>   -3.50    0.22   110143 1.d1h5 h6 2.h1g1 d3xc2 3.d5e3 c6e5 
                                4.Kxf2 e5xc4 
!   7    -3.08    0.25   125526 1.d1h5 
!   7    -3.04    0.33   179003 1.d1h5 h6 2.h1g1 d2 3.c1xd2 h6xg5 
                                4.d2xg5 d8d7 
   <7>   -3.04    0.49   281372 1.d1h5 h6 2.h1g1 d2 3.c1xd2 h6xg5 
                                4.d2xg5 d8d7 
!   8    -2.62    0.74   402697 1.d1h5 
!   8    -2.41    0.86   481640 1.d1h5 h6 2.g5xf7 f8xf7 3.d5e3 f2xh1 
                                4.h5xf7 Kh8 5.c2xd3 c6d4 
   <8>   -2.41    0.97   559532 1.d1h5 h6 2.g5xf7 f8xf7 3.d5e3 f2xh1 
                                4.h5xf7 Kh8 5.c2xd3 c6d4 
    9    -2.80    1.36   813072 1.d1h5 h6 2.g5xf7 f8xf7 3.d5e3 f2xh1 
                                4.h5xf7 Kh8 5.c2xd3 c6e5 6.f7h5 c5xe3 
                                7.c1xe3 e5xc4 8.d3xc4 
   <9>   -2.80    1.58   982812 1.d1h5 h6 2.g5xf7 f8xf7 3.d5e3 f2xh1 
                                4.h5xf7 Kh8 5.c2xd3 c6e5 6.f7h5 c5xe3 
                                7.c1xe3 e5xc4 8.d3xc4 
!  10    -2.38    3.49  2099073 1.d1h5 
!  10    -1.63    4.86  2796616 1.d1h5 
!  10    +0.41    9.97  5562652 1.d1h5 h6 2.f6 d2 3.c1xd2 c6e5 
                                4.d5e7 Kh8 5.g5xf7 f8xf7 6.c4xf7 e5xf7 
                                7.e7xc8 f2xh1 8.h5xf7 d8xf6 9.f7xf6 g7xf6 
  <10>   +0.41   10.00  5579348 1.d1h5 h6 2.f6 d2 3.c1xd2 c6e5 
                                4.d5e7 Kh8 5.g5xf7 f8xf7 6.c4xf7 e5xf7 
                                7.e7xc8 f2xh1 8.h5xf7 d8xf6 9.f7xf6 g7xf6 

Computed move :   d1h5
NPS:              557934
solution found [256/259], time: 0.00, points: 25, nodes: 214!
[Diagram of position #260]

Test position #260

White to move


FEN :          2r2b1r/p1Nk2pp/3p1p2/N2Qn3/4P3/q6P/P4PP1/1R3K1R w - -
Best Move :    Qe6+ 
Position ID:  "WAC.260"

 depth   value    time    nodes pv
    1    -1.55    0.00        4 1.a5b7 c8xc7 
  2/1    +2.22    0.00        6 1.c7e6 
   <1>   +2.22    0.01      260 1.c7e6 
?   2    +1.01    0.01     2655 1.c7e6 a3d3 2.d5xd3 e5xd3 
   <2>   +1.01    0.01     3766 1.c7e6 a3d3 2.d5xd3 e5xd3 
?   3    +0.38    0.03    10331 1.c7e6 c8c1 2.Ke2 c1c2 3.Kf1 a3xa2 
   <3>   +0.38    0.03    16188 1.c7e6 c8c1 2.Ke2 c1c2 3.Kf1 a3xa2 
    4    +0.38    0.03    17608 1.c7e6 c8c1 2.Ke2 c1c2 3.Kf1 a3xa2 
! 2/4    +0.80    0.07    49864 1.d5e6 
!   4    +1.55    0.07    49886 1.d5e6 
!   4    +4.75    0.07    49908 1.d5e6 
!   4       #5    0.07    58562 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
   <4>      #5    0.09    63083 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
    5       #5    0.11    85452 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
   <5>      #5    0.12   100273 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
    6       #5    0.17   150057 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
   <6>      #5    0.20   191213 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
    7       #5    0.26   261261 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 
   <7>      #5    0.36   365298 1.d5e6 Kxc7 2.b1b7 Kd8 3.a5c6 c8xc6 
                                4.b7b8 Kc7 5.e6c8 e6c8 

Computed move :   d5e6
NPS:              1014716
solution found [257/260], time: 0.07, points: 25, nodes: 49864!
© Steffen A. Jakob