[ Test Suite wac | Hossa ]

Positions 221 - 230


[Diagram of position #221]

Test position #221

White to move


FEN :          r3k3/P5bp/2N1bp2/4p3/2p5/6NP/1PP2PP1/3R2K1 w q -
Best Move :    Rd8+ 
Position ID:  "WAC.221"

 depth   value    time    nodes pv
    1    +1.53    0.00        5 1.b4 c4xb3 2.c2xb3 e6xb3 
  2/1    +3.03    0.01        7 1.h4 
  3/1    +3.19    0.01        9 1.d1a1 
 31/1    +3.73    0.01       94 1.d1d8 a8xd8 2.c6xd8 
   <1>   +3.73    0.01       97 1.d1d8 a8xd8 2.c6xd8 
    2    +3.84    0.01      472 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 
   <2>   +3.84    0.01      676 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 
    3    +3.81    0.01     1426 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 g7h6 
   <3>   +3.81    0.01     1728 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 g7h6 
    4    +4.20    0.03     3071 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6xg7 Kxg7 
   <4>   +4.20    0.03     4718 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6xg7 Kxg7 
!   5    +4.62    0.05     7167 1.d1d8 
!   5    +5.34    0.05    12210 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6c7 d5b7 5.a7a8Q b7xa8 6.c7xa8 
   <5>   +5.34    0.06    15377 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6c7 d5b7 5.a7a8Q b7xa8 6.c7xa8 
    6    +5.34    0.08    23350 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6c7 d5b7 5.a7a8Q b7xa8 
   <6>   +5.34    0.09    30509 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6c7 d5b7 5.a7a8Q b7xa8 
    7    +5.22    0.12    44657 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6c7 d5b7 5.a7a8Q b7xa8 6.c7xa8 Ke6 
   <7>   +5.22    0.17    66505 1.d1d8 a8xd8 2.c6xd8 e6d5 3.d8e6 Kf7 
                                4.e6c7 d5b7 5.a7a8Q b7xa8 6.c7xa8 Ke6 

Computed move :   d1d8
NPS:              391205
solution found [220/221], time: 0.01, points: 25, nodes: 97!
[Diagram of position #222]

Test position #222

White to move


FEN :          2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - -
Best Move :    Bf6 
Position ID:  "WAC.222"

 depth   value    time    nodes pv
    1    +0.54    0.00        2 1.b2xa3 
   <1>   +0.54    0.00      103 1.b2xa3 
    2    +0.27    0.01      155 1.b2xa3 a2d5 
   <2>   +0.27    0.01      535 1.b2xa3 a2d5 
    3    +0.18    0.01      829 1.b2xa3 a2d5 2.d1d2 
   <3>   +0.18    0.01     3263 1.b2xa3 a2d5 2.d1d2 
    4    +0.12    0.01     4342 1.b2xa3 a2d5 2.h4g5 c4 
   <4>   +0.12    0.03     8957 1.b2xa3 a2d5 2.h4g5 c4 
    5    +0.14    0.03    12017 1.b2xa3 a2d5 2.f4 b7b3 3.g4e2 
   <5>   +0.14    0.04    22888 1.b2xa3 a2d5 2.f4 b7b3 3.g4e2 
    6    +0.01    0.09    42352 1.b2xa3 a2d5 2.e4 d5c6 3.d1e1 b7b2 
   <6>   +0.01    0.12    69572 1.b2xa3 a2d5 2.e4 d5c6 3.d1e1 b7b2 
    7    +0.17    0.20   109681 1.b2xa3 a2d5 2.d1e1 d5c6 3.e1c1 c6d5 
                                4.c1d1 
   <7>   +0.17    0.31   209395 1.b2xa3 a2d5 2.d1e1 d5c6 3.e1c1 c6d5 
                                4.c1d1 
    8    +0.08    0.43   274681 1.b2xa3 a2d5 2.d1e1 d5c6 3.d6d2 b7c7 
                                4.g4h5 c4 5.e1b1 
! 2/8    +0.59    0.60   375585 1.h4f6 
!   8    +1.34    0.73   462278 1.h4f6 
!   8    +2.40    0.90   577059 1.h4f6 g7xf6 2.e5xf6 e8g8 3.d6d8 c8xd8 
                                4.d1xd8 b7xg2 5.Kxg2 g8xd8 6.b2xa3 
   <8>   +2.40    0.93   606260 1.h4f6 g7xf6 2.e5xf6 e8g8 3.d6d8 c8xd8 
                                4.d1xd8 b7xg2 5.Kxg2 g8xd8 6.b2xa3 
!   9    +2.82    1.15   739846 1.h4f6 
!   9    +3.57    1.28   839683 1.h4f6 
!   9    +6.77    1.53   983706 1.h4f6 
!   9       #7    2.48  1590778 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.Kxg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 a2d5 6.Kg1 g8xd8 
                                7.g4g7 
   <9>      #7    2.48  1598701 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.Kxg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 a2d5 6.Kg1 g8xd8 
                                7.g4g7 
   10       #6    3.43  2218153 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.g4xg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 g8xd8 6.g2g7 g2g7 
  <10>      #6    3.45  2247198 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.g4xg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 g8xd8 6.g2g7 g2g7 
   11       #6    3.57  2357120 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.g4xg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 g8xd8 6.g2g7 
  <11>      #6    3.67  2471256 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.g4xg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 g8xd8 6.g2g7 
   12       #6    4.06  2791348 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.g4xg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 g8xd8 
  <12>      #6    4.42  3200738 1.h4f6 g7xf6 2.e5xf6 b7xg2 3.g4xg2 e8g8 
                                4.d6d8 c8xd8 5.d1xd8 g8xd8 

Computed move :   h4f6
NPS:              724148
solution found [221/222], time: 0.60, points: 20, nodes: 375585!
[Diagram of position #223]

Test position #223

White to move


FEN :          r1bqk2r/pp3ppp/5n2/8/1b1npB2/2N5/PP1Q2PP/1K2RBNR w kq -
Best Move :    Nxe4 
Position ID:  "WAC.223"

 depth   value    time    nodes pv
    1    -9.74    0.00        4 1.c3d1 b4xd2 2.f4xd2 
  3/1    -2.43    0.00       11 1.f1c4 
   <1>   -2.43    0.00      155 1.f1c4 
    2    -2.65    0.00      273 1.f1c4 O-O 
  2/2    -2.36    0.01     1742 1.f1b5 d4xb5 2.d2xd8 Kxd8 3.e1d1 Ke8 
                                4.c3xb5 
 31/2    -2.27    0.01     2542 1.g1f3 b4xc3 2.b2xc3 
 37/2    -2.24    0.01     3116 1.g1e2 d4c6 2.d2xd8 c6xd8 
   <2>   -2.24    0.01     3154 1.g1e2 d4c6 2.d2xd8 c6xd8 
    3    -2.24    0.01     3462 1.g1e2 d4c6 2.d2xd8 
   <3>   -2.24    0.03     5416 1.g1e2 d4c6 2.d2xd8 
    4    -2.14    0.03     8454 1.g1e2 d4c6 2.d2xd8 c6xd8 3.e2g3 b4xc3 
                                4.b2xc3 
! 9/4    -1.82    0.05    14922 1.f4e5 
!   4    -1.07    0.05    17216 1.f4e5 
!   4    -0.89    0.06    21913 1.f4e5 b4c5 2.c3b5 d4xb5 3.f1xb5 Ke7 
                                4.d2xd8 h8xd8 5.e5xf6 Kxf6 6.e1xe4 c5xg1 
                                7.h1xg1 
!13/4    -0.88    0.08    25952 1.c3xe4 c8f5 2.d2xb4 f5xe4 3.f1d3 a5 
   <4>   -0.88    0.08    28044 1.c3xe4 c8f5 2.d2xb4 f5xe4 3.f1d3 a5 
    5    -0.65    0.09    37101 1.c3xe4 c8f5 2.d2xb4 f5xe4 3.f1d3 a5 
                                4.b4d6 d8xd6 5.f4xd6 
   <5>   -0.65    0.12    51113 1.c3xe4 c8f5 2.d2xb4 f5xe4 3.f1d3 a5 
                                4.b4d6 d8xd6 5.f4xd6 
    6    -0.59    0.17    79810 1.c3xe4 c8f5 2.d2xb4 d8d5 3.b4a4 d4c6 
                                4.f1c4 f5xe4 5.a4c2 
   <6>   -0.59    0.23   119541 1.c3xe4 c8f5 2.d2xb4 d8d5 3.b4a4 d4c6 
                                4.f1c4 f5xe4 5.a4c2 
!   7    -0.17    0.42   237918 1.c3xe4 
!   7    +0.02    0.53   323950 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.b4xb7 f5xe4 5.Ka1 
   <7>   +0.02    0.64   420484 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.b4xb7 f5xe4 5.Ka1 
    8    +0.02    0.91   615942 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.Ka1 f5xe4 5.b4xb7 
   <8>   +0.02    1.03   752200 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.Ka1 f5xe4 5.b4xb7 
    9    -0.13    1.58  1172657 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.b4d6 d5xd6 5.f4xd6 f6xe4 6.f1c4 
   <9>   -0.13    2.11  1617618 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.b4d6 d5xd6 5.f4xd6 f6xe4 6.f1c4 
!  10    +0.29    4.50  3161501 1.c3xe4 
!  10    +0.83    6.23  4268517 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.b4b3 f5xe4 5.f1d3 d5f5 6.b3xb7 a8c8 
                                7.h1f1 
  <10>   +0.83    6.91  4947903 1.c3xe4 c8f5 2.d2xb4 d8d5 3.g1f3 d4c6 
                                4.b4b3 f5xe4 5.f1d3 d5f5 6.b3xb7 a8c8 
                                7.h1f1 
  <11>   +0.83   10.00  6890851 1.c3xe4 c8f5 

Computed move :   c3xe4
NPS:              689085
solution found [222/223], time: 0.08, points: 25, nodes: 28044!
[Diagram of position #224]

Test position #224

Black to move


FEN :          5rk1/p1q3pp/1p1r4/2p1pp1Q/1PPn1P2/3B3P/P2R2P1/3R2K1 b - -
Best Moves:    Rh6 e4 
Position ID:  "WAC.224"

 depth   value    time    nodes pv
    1    +2.31    0.00       10 1... c7e7 2.f4xe5 
  4/1    +2.69    0.00       21 1... e5xf4 
   <1>   +2.69    0.00      138 1... e5xf4 
    2    +2.55    0.00      201 1... e5xf4 2.d1f1 c5xb4 3.f1xf4 
!37/2    +3.11    0.00      818 1... d6h6 
!   2    +3.86    0.00      911 1... d6h6 
!   2    +4.40    0.00     1002 1... d6h6 2.h5g5 e5xf4 
   <2>   +4.40    0.01     1052 1... d6h6 2.h5g5 e5xf4 
    3    +4.40    0.01     1269 1... d6h6 2.h5g5 e5xf4 
   <3>   +4.40    0.01     1804 1... d6h6 2.h5g5 e5xf4 
    4    +4.43    0.01     3370 1... d6h6 2.h5g5 e5xf4 3.b4xc5 b6xc5 
   <4>   +4.43    0.01     5550 1... d6h6 2.h5g5 e5xf4 3.b4xc5 b6xc5 
?   5    +3.43    0.03    16304 1... d6h6 2.h5g5 e5xf4 3.d2f2 d4e6 
   <5>   +3.43    0.04    23765 1... d6h6 2.h5g5 e5xf4 3.d2f2 d4e6 
    6    +3.09    0.06    32198 1... d6h6 2.h5g5 e5xf4 3.d3e2 f8e8 
                                4.e2h5 
   <6>   +3.09    0.09    55307 1... d6h6 2.h5g5 e5xf4 3.d3e2 f8e8 
                                4.e2h5 
!   7    +3.51    0.15    97688 1... d6h6 
!   7    +3.64    0.20   127734 1... d6h6 2.h5g5 h6xh3 3.d3f1 d4e6 
                                4.d2d7 c7xd7 5.d1xd7 e6xg5 6.g2xh3 e5xf4 
                                7.b4xc5 
   <7>   +3.64    0.28   183820 1... d6h6 2.h5g5 h6xh3 3.d3f1 d4e6 
                                4.d2d7 c7xd7 5.d1xd7 e6xg5 6.g2xh3 e5xf4 
                                7.b4xc5 
    8    +3.90    0.39   259493 1... d6h6 2.h5g5 h6xh3 3.d3f1 h3h6 
                                4.f4xe5 c7xe5 5.Kf2 h6g6 
! 3/8    +4.06    0.53   359959 1... e4 
!   8    +4.51    0.70   466531 1... e4 2.d3c2 d6h6 3.h5g5 h6g6 
                                4.g5h5 d4f3 5.Kh1 f3xd2 6.d1xd2 c5xb4 
   <8>   +4.51    0.72   476882 1... e4 2.d3c2 d6h6 3.h5g5 h6g6 
                                4.g5h5 d4f3 5.Kh1 f3xd2 6.d1xd2 c5xb4 

Computed move :   e4
NPS:              653263
solution found [223/224], time: 0.00, points: 25, nodes: 818!
[Diagram of position #225]

Test position #225

Black to move


FEN :          4R3/4q1kp/6p1/1Q3b2/1P1b1P2/6KP/8/8 b - -
Best Move :    Qh4+ 
Position ID:  "WAC.225"

 depth   value    time    nodes pv
    1    +3.64    0.00        2 1... e7f7 
   <1>   +3.64    0.00      235 1... e7f7 
    2    +3.29    0.00      284 1... e7f7 2.b5b8 
  5/2    +3.32    0.00      653 1... e7c7 2.b5b8 
!16/2    +4.06    0.00     1010 1... e7h4 
!   2    +4.81    0.00     1429 1... e7h4 
!   2    +8.01    0.00     1446 1... e7h4 
!   2       #3    0.00     1614 1... e7h4 2.Kxh4 d4f2 3.Kg5 h6 
                                4.h6 
   <2>      #3    0.01     1776 1... e7h4 2.Kxh4 d4f2 3.Kg5 h6 
                                4.h6 

Computed move :   e7h4
NPS:              177600
solution found [224/225], time: 0.00, points: 25, nodes: 1010!
[Diagram of position #226]

Test position #226

White to move


FEN :          2b2rk1/p1p4p/2p1p1p1/br2N1Q1/1p2q3/8/PB3PPP/3R1RK1 w - -
Best Move :    Nf7 
Position ID:  "WAC.226"

 depth   value    time    nodes pv
    1    -0.47    0.00        2 1.d1d2 
   <1>   -0.47    0.00       86 1.d1d2 
?   2    -2.24    0.00      735 1.d1d2 b3 
? 3/2    -2.20    0.00      873 1.f1e1 e4c2 
?18/2    -2.15    0.01     1109 1.d1e1 e4d3 
?36/2    -1.88    0.01     1338 1.d1d8 e4e2 
   <2>   -1.88    0.01     1385 1.d1d8 e4e2 
    3    -1.90    0.01     1711 1.d1d8 e4e2 2.d8xf8 Kxf8 
   <3>   -1.90    0.01     3610 1.d1d8 e4e2 2.d8xf8 Kxf8 
    4    -1.78    0.03     5676 1.d1d8 e4f5 2.d8xf8 f5xf8 3.f1d1 
! 5/4    -1.48    0.04    12864 1.e5f7 
!   4    -1.63    0.04    14512 1.e5f7 f8xf7 2.d1d8 f7f8 3.g5f6 f8xd8 
                                4.f6xd8 Kf7 5.d8xc8 e4e2 
   <4>   -1.63    0.06    19522 1.e5f7 f8xf7 2.d1d8 f7f8 3.g5f6 f8xd8 
                                4.f6xd8 Kf7 5.d8xc8 e4e2 
!   5    -1.21    0.06    23551 1.e5f7 
!   5    -0.46    0.07    24982 1.e5f7 
!   5    +2.74    0.07    27749 1.e5f7 
!   5    +3.56    0.09    37401 1.e5f7 e5 2.f7h6 Kg7 3.g5e7 Kxh6 
                                4.e7xf8 Kh5 5.f8xc8 
   <5>   +3.56    0.10    44757 1.e5f7 e5 2.f7h6 Kg7 3.g5e7 Kxh6 
                                4.e7xf8 Kh5 5.f8xc8 
    6    +3.28    0.12    58000 1.e5f7 e5 2.f7h6 Kg7 3.g5e7 Kxh6 
                                4.e7xf8 Kh5 5.f8xc8 e4c4 6.c8h3 c4h4 
   <6>   +3.28    0.15    85700 1.e5f7 e5 2.f7h6 Kg7 3.g5e7 Kxh6 
                                4.e7xf8 Kh5 5.f8xc8 e4c4 6.c8h3 c4h4 
!   7    +3.70    0.21   122834 1.e5f7 
!   7    +3.78    0.29   181113 1.e5f7 e5 2.f7h6 Kg7 3.g5e7 Kxh6 
                                4.e7xf8 Kh5 5.f8xc8 b5d5 6.c8h3 e4h4 
                                7.h3xh4 Kxh4 8.d1xd5 c6xd5 9.b2xe5 
   <7>   +3.78    0.35   241739 1.e5f7 e5 2.f7h6 Kg7 3.g5e7 Kxh6 
                                4.e7xf8 Kh5 5.f8xc8 b5d5 6.c8h3 e4h4 
                                7.h3xh4 Kxh4 8.d1xd5 c6xd5 9.b2xe5 
    8    +4.06    0.65   465962 1.e5f7 e5 2.d1e1 e4xg2 3.g5xg2 f8xf7 
                                4.g2xc6 c8d7 5.c6a8 f7f8 6.a8xa7 
   <8>   +4.06    0.73   548063 1.e5f7 e5 2.d1e1 e4xg2 3.g5xg2 f8xf7 
                                4.g2xc6 c8d7 5.c6a8 f7f8 6.a8xa7 
    9    +4.13    1.25   942365 1.e5f7 e5 2.d1e1 e4xg2 3.Kxg2 f8xf7 
                                4.e1xe5 c8e6 5.e5xb5 c6xb5 6.g5xb5 f7f5 
   <9>   +4.13    1.35  1061473 1.e5f7 e5 2.d1e1 e4xg2 3.Kxg2 f8xf7 
                                4.e1xe5 c8e6 5.e5xb5 c6xb5 6.g5xb5 f7f5 
!  10    +4.55    2.23  1597036 1.e5f7 
!  10    +4.28    3.12  2326509 1.e5f7 e4xg2 2.g5xg2 Kxf7 3.g2xc6 b5g5 
                                4.Kh1 Kg8 5.f4 g5f5 6.b2e5 a5b6 
                                7.d1b1 c8a6 8.c6xe6 f8f7 
  <10>   +4.28    3.85  2915905 1.e5f7 e4xg2 2.g5xg2 Kxf7 3.g2xc6 b5g5 
                                4.Kh1 Kg8 5.f4 g5f5 6.b2e5 a5b6 
                                7.d1b1 c8a6 8.c6xe6 f8f7 
!  11    +4.70    5.25  3799721 1.e5f7 
  <11>   +4.70    5.25  3799721 1.e5f7 

Computed move :   e5f7
NPS:              723756
solution found [225/226], time: 0.04, points: 25, nodes: 12864!
[Diagram of position #227]

Test position #227

Black to move


FEN :          2k1rb1r/ppp3pp/2np1q2/5b2/2B2P2/2P1BQ2/PP1N1P1P/2KR3R b - -
Best Move :    d5 
Position ID:  "WAC.227"

 depth   value    time    nodes pv
    1    +0.16    0.00        3 1... c6b8 2.e3xa7 
  4/1    +0.66    0.00       15 1... c6a5 2.e3xa7 a5xc4 3.d2xc4 
  5/1    +1.55    0.02       17 1... Kb8 
   <1>   +1.55    0.02       99 1... Kb8 
    2    +1.26    0.02      154 1... Kb8 2.d1e1 
   <2>   +1.26    0.02      493 1... Kb8 2.d1e1 
    3    +1.19    0.02      984 1... Kb8 2.d1e1 g6 
   <3>   +1.19    0.02     3160 1... Kb8 2.d1e1 g6 
    4    +1.10    0.03     4605 1... Kb8 2.d1e1 f8e7 3.h1g1 
!11/4    +1.61    0.03     8989 1... d5 
!   4    +2.36    0.05    10251 1... d5 
!   4    +3.87    0.05    13264 1... d5 2.c4d3 f5xd3 3.f3xd5 
   <4>   +3.87    0.05    15303 1... d5 2.c4d3 f5xd3 3.f3xd5 
    5    +3.85    0.06    18375 1... d5 2.c4d3 f5xd3 3.f3xd5 f6d8 
   <5>   +3.85    0.06    26078 1... d5 2.c4d3 f5xd3 3.f3xd5 f6d8 
    6    +3.76    0.11    50895 1... d5 2.e3c5 f8xc5 3.c4xd5 c6d8 
                                4.d2e4 
   <6>   +3.76    0.12    67770 1... d5 2.e3c5 f8xc5 3.c4xd5 c6d8 
                                4.d2e4 
    7    +3.96    0.22   111708 1... d5 2.e3c5 f8xc5 3.c4xd5 e8e3 
                                4.f3g2 f5h3 
   <7>   +3.96    0.23   133283 1... d5 2.e3c5 f8xc5 3.c4xd5 e8e3 
                                4.f3g2 f5h3 
    8    +3.98    0.52   293967 1... d5 2.d1e1 d5xc4 3.d2xc4 e8d8 
                                4.c4e5 c6xe5 5.f4xe5 f6xe5 6.e3xa7 
   <8>   +3.98    0.53   311900 1... d5 2.d1e1 d5xc4 3.d2xc4 e8d8 
                                4.c4e5 c6xe5 5.f4xe5 f6xe5 6.e3xa7 
    9    +4.21    1.30   789620 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 f8c5 
   <9>   +4.21    1.33   821193 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 f8c5 
   10    +4.21    2.11  1367208 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 g6 6.e2f1 f5e4 
  <10>   +4.21    2.16  1434987 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 g6 6.e2f1 f5e4 
   11    +4.21    4.33  3059668 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 g6 6.c4d2 f8c5 
                                7.e2b5 c5f8 
  <11>   +4.21    4.56  3288563 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 g6 6.c4d2 f8c5 
                                7.e2b5 c5f8 
   12    +4.21    8.28  6041763 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 g6 6.f3 f8c5 
                                7.b3 f7d5 8.Kb2 
  <12>   +4.21    8.72  6473457 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 Kb8 5.h1g1 g6 6.f3 f8c5 
                                7.b3 f7d5 8.Kb2 
  <13>   +4.21   10.00  7330166 1... d5 2.d1e1 d5xc4 3.d2xc4 f6f7 
                                4.f3e2 e8e4 5.b3 f7xc4 6.b3xc4 f8a3 
                                7.Kd1 h8d8 8.e2d2 f5g4 9.Kc2 d8xd2 
                                10.Kxd2 e4xc4 

Computed move :   d5
NPS:              733016
solution found [226/227], time: 0.03, points: 25, nodes: 8989!
[Diagram of position #228]

Test position #228

White to move


FEN :          r4rk1/1bq1bp1p/4p1p1/p2p4/3BnP2/1N1B3R/PPP3PP/R2Q2K1 w - -
Best Move :    Bxe4 
Position ID:  "WAC.228"

 depth   value    time    nodes pv
    1    -0.10    0.00        4 1.d3xe4 d5xe4 
   <1>   -0.10    0.00       68 1.d3xe4 d5xe4 
    2    -0.10    0.00      114 1.d3xe4 d5xe4 
   <2>   -0.10    0.00      548 1.d3xe4 d5xe4 
    3    -0.12    0.00      811 1.d3xe4 d5xe4 2.d1d2 
  2/3    -0.07    0.00     2655 1.d4e5 c7b6 2.e5d4 b6c7 3.d3xe4 d5xe4 
                                4.d1d2 
   <3>   -0.07    0.02     3976 1.d4e5 c7b6 2.e5d4 b6c7 3.d3xe4 d5xe4 
                                4.d1d2 
    4    -0.08    0.02     8098 1.d4e5 c7b6 2.e5d4 b6c6 3.a1b1 
   <4>   -0.08    0.03    11744 1.d4e5 c7b6 2.e5d4 b6c6 3.a1b1 
    5    -0.12    0.05    18020 1.d4e5 c7b6 2.e5d4 b6d6 3.d4e5 d6b6 
                                4.e5d4 b6d6 5.d4e5 d6b6 6.e5d4 b6d6 
   <5>   -0.12    0.08    29462 1.d4e5 c7b6 2.e5d4 b6d6 3.d4e5 d6b6 
                                4.e5d4 b6d6 5.d4e5 d6b6 6.e5d4 b6d6 
                                7.d4e5 d6b6 8.e5d4 b6d6 9.d4e5 
    6    -0.16    0.12    59302 1.d4e5 c7c6 2.d1e1 a4 3.d3xe4 d5xe4 
   <6>   -0.16    0.25   119002 1.d4e5 c7c6 2.d1e1 a4 3.d3xe4 d5xe4 
    7    -0.22    0.44   215560 1.d4e5 c7c6 2.a1c1 f8e8 3.c4 c6b6 
                                4.e5d4 b6d6 5.c4xd5 e6xd5 
   <7>   -0.22    0.70   356943 1.d4e5 c7c6 2.a1c1 f8e8 3.c4 c6b6 
                                4.e5d4 b6d6 5.c4xd5 e6xd5 
    8    -0.07    1.31   709186 1.d4e5 c7d8 2.e5d4 b7c6 3.b3d2 f8e8 
                                4.h3e3 e7f6 5.d4xf6 d8xf6 6.d3xe4 d5xe4 
! 8/8    +0.20    1.56   856879 1.d3xe4 
!   8    +0.95    1.72   953257 1.d3xe4 
!   8    +2.20    2.23  1284059 1.d3xe4 c7xf4 2.e4d3 a4 3.h3f3 f4c7 
                                4.b3d2 e5 
   <8>   +2.20    2.25  1296763 1.d3xe4 c7xf4 2.e4d3 a4 3.h3f3 f4c7 
                                4.b3d2 e5 
    9    +2.34    3.17  1926994 1.d3xe4 c7xf4 2.e4d3 a4 3.d1d2 f4xd2 
                                4.b3xd2 f6 5.a1f1 e5 
   <9>   +2.34    3.20  1959283 1.d3xe4 c7xf4 2.e4d3 a4 3.d1d2 f4xd2 
                                4.b3xd2 f6 5.a1f1 e5 
   10    +2.40    5.50  3575163 1.d3xe4 c7xf4 2.e4d3 a4 3.d1d2 f4xd2 
                                4.b3xd2 e7d6 5.a1e1 d6f4 6.h3e3 
  <10>   +2.40    6.53  4316304 1.d3xe4 c7xf4 2.e4d3 a4 3.d1d2 f4xd2 
                                4.b3xd2 e7d6 5.a1e1 d6f4 6.h3e3 
   11    +2.35    9.11  6332032 1.d3xe4 c7xf4 2.e4d3 a4 3.d1d2 f4xd2 
                                4.b3xd2 e7d6 5.a1e1 d6f4 6.d4e3 f4e5 
                                7.e3h6 e5xb2 8.h6xf8 a8xf8 
  <11>   +2.35   10.00  7020266 1.d3xe4 c7xf4 2.e4d3 a4 3.d1d2 f4xd2 
                                4.b3xd2 e7d6 5.a1e1 d6f4 6.d4e3 f4e5 
                                7.e3h6 e5xb2 8.h6xf8 a8xf8 

Computed move :   d3xe4
NPS:              702026
solution found [227/228], time: 1.56, points: 18, nodes: 856879!
[Diagram of position #229]

Test position #229

Black to move


FEN :          8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8 b - -
Best Moves:    Rxh4 b4 
Position ID:  "WAC.229"

 depth   value    time    nodes pv
    1    +1.20    0.00        2 1... h5d5 
   <1>   +1.20    0.02       34 1... h5d5 
    2    +0.95    0.02       59 1... h5d5 2.h4g6 
  3/2    +0.96    0.02      169 1... h5e5 2.h4g6 
   <2>   +0.96    0.02      212 1... h5e5 2.h4g6 
    3    +0.96    0.02      302 1... h5e5 2.h4g6 e5e8 
   <3>   +0.96    0.02      635 1... h5e5 2.h4g6 e5e8 
    4    +1.02    0.02      928 1... h5e5 2.h4g6 e5e6 3.g6f4 
   <4>   +1.02    0.02     1788 1... h5e5 2.h4g6 e5e6 3.g6f4 
    5    +1.02    0.02     2167 1... h5e5 2.h4g6 e5e6 3.g6f4 e6e8 
   <5>   +1.02    0.04     3936 1... h5e5 2.h4g6 e5e6 3.g6f4 e6e8 
    6    +0.92    0.04     5481 1... h5e5 2.h4g6 e5e6 3.g6f4 e6e5 
                                4.e3b6 
   <6>   +0.92    0.05    13807 1... h5e5 2.h4g6 e5e6 3.g6f4 e6e5 
                                4.e3b6 
    7    +0.94    0.07    20053 1... h5e5 2.h4g6 e5e8 3.e3c5 Kd5 
                                4.c5e7 Ke4 
   <7>   +0.94    0.08    30182 1... h5e5 2.h4g6 e5e8 3.e3c5 Kd5 
                                4.c5e7 Ke4 
    8    +0.88    0.11    41863 1... h5e5 2.h4g6 e5e8 3.e3c5 Kf5 
                                4.g6e7 Ke5 5.e7g6 Ke4 6.g6f4 
   <8>   +0.88    0.18    75369 1... h5e5 2.h4g6 e5e8 3.e3c5 Kf5 
                                4.g6e7 Ke5 5.e7g6 Ke4 6.g6f4 
    9    +0.88    0.19    87766 1... h5e5 2.h4g6 e5e8 3.e3c5 Kf5 
                                4.g6e7 Ke5 5.e7g6 Ke4 6.g6f4 Ke5 
                                7.f4g6 Ke4 8.g6f4 Ke5 9.f4g6 Ke4 
   <9>   +0.88    0.24   110336 1... h5e5 2.h4g6 e5e8 3.e3c5 Kf5 
                                4.g6e7 Ke5 5.e7g6 Ke4 6.g6f4 Ke5 
                                7.f4g6 Ke4 8.g6f4 Ke5 9.f4g6 Ke4 
   10    +0.88    0.32   155271 1... h5e5 2.h4g6 e5e8 3.e3c5 e8c8 
                                4.c5e7 c8c7 5.e7f8 c7d7 6.f8c5 d7d5 
!5/10    +1.30    0.57   290977 1... b4 
!  10    +2.05    0.71   360571 1... b4 
!  10    +3.85    1.18   619331 1... b4 2.a3xb4 h5xh4 3.Kc3 h4h7 
                                4.b5 Kd5 5.Kd2 h7e7 6.b6 e7b7 
  <10>   +3.85    1.22   644331 1... b4 2.a3xb4 h5xh4 3.Kc3 h4h7 
                                4.b5 Kd5 5.Kd2 h7e7 6.b6 e7b7 
   11    +4.11    1.88  1012896 1... b4 2.a3xb4 h5xh4 3.Kc3 h4h7 
                                4.Kd2 h7c7 5.Kc3 Kd5 6.Kd2 c7h7 
                                7.e3c5 h7d7 
!2/11    +4.27    2.68  1485246 1... h5xh4 
!  11    +5.02    3.18  1781038 1... h5xh4 
!  11    +6.07    4.50  2569170 1... h5xh4 2.Kc3 h4h8 3.e3c5 Kd5 
                                4.c5e3 h8h5 5.Kd2 h5e5 6.Ke1 Ke4 
                                7.Kd2 
  <11>   +6.07    4.52  2580983 1... h5xh4 2.Kc3 h4h8 3.e3c5 Kd5 
                                4.c5e3 h8h5 5.Kd2 h5e5 6.Ke1 Ke4 
                                7.Kd2 
   12    +6.27    5.43  3142981 1... h5xh4 2.Kc3 h4h8 3.Kd2 Kd5 
                                4.Ke1 h8c8 5.Kd2 c8e8 6.Ke1 Ke5 
                                7.e3d2 Kd4 
  <12>   +6.27    5.44  3154896 1... h5xh4 2.Kc3 h4h8 3.Kd2 Kd5 
                                4.Ke1 h8c8 5.Kd2 c8e8 6.Ke1 Ke5 
                                7.e3d2 Kd4 
!  13    +6.69    6.86  4023737 1... h5xh4 
  <13>   +6.69    6.86  4023737 1... h5xh4 

Computed move :   h5xh4
NPS:              586550
solution found [228/229], time: 0.57, points: 20, nodes: 290977!
[Diagram of position #230]

Test position #230

Black to move


FEN :          2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - -
Best Move :    Rb4 
Position ID:  "WAC.230"

 depth   value    time    nodes pv
    1    +2.55    0.00        2 1... a4 
   <1>   +2.55    0.00       17 1... a4 
    2    +2.38    0.00       49 1... a4 2.Kf4 
   <2>   +2.38    0.00       94 1... a4 2.Kf4 
    3    +2.35    0.00      209 1... a4 2.Kf4 b7b5 
   <3>   +2.35    0.00      267 1... a4 2.Kf4 b7b5 
    4    +2.32    0.00      589 1... a4 2.Kf4 b7f7 3.Ke3 f7b7 
  7/4    +2.41    0.02     1801 1... b7f7 2.d6c5 a4 3.c5d6 
   <4>   +2.41    0.02     1991 1... b7f7 2.d6c5 a4 3.c5d6 
    5    +2.46    0.02     3339 1... b7f7 2.d6c5 a4 3.c5d6 c8b7 
   <5>   +2.46    0.02     3717 1... b7f7 2.d6c5 a4 3.c5d6 c8b7 
    6    +2.46    0.02     6151 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.c5d6 
   <6>   +2.46    0.03     6760 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.c5d6 
    7    +2.45    0.03    10503 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.c5d6 Kb5 5.d6c5 
   <7>   +2.45    0.03    11326 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.c5d6 Kb5 5.d6c5 
    8    +2.46    0.05    20051 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kc7 5.Kg4 Kc6 6.Kg3 
   <8>   +2.46    0.07    20096 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kc7 5.Kg4 Kc6 6.Kg3 
    9    +2.49    0.11    51241 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 b7c6 6.a3d6 
   <9>   +2.49    0.11    51286 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 b7c6 6.a3d6 
   10    +2.46    0.14    65420 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 Kb6 6.Kg4 Kc6 
                                7.a3d6 
  <10>   +2.46    0.16    71464 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 Kb6 6.Kg4 Kc6 
                                7.a3d6 
   11    +2.45    0.22   108181 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 Kb6 6.a3c5 Kc6 
                                7.Kg4 Kb5 8.c5d6 
  <11>   +2.45    0.36   184627 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 Kb6 6.a3c5 Kc6 
                                7.Kg4 Kb5 8.c5d6 
   12    +2.49    0.94   516153 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 b7c6 6.a3d6 f7f5 
                                7.Kg4 f5f7 8.d6c5 
  <12>   +2.49    0.96   520868 1... b7f7 2.d6c5 a4 3.Kg4 c8b7 
                                4.Kg3 Kb5 5.c5a3 b7c6 6.a3d6 f7f5 
                                7.Kg4 f5f7 8.d6c5 
   13    +2.49    1.97  1084567 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 b7c6 6.Kg4 c6a8 
                                7.a3d6 a8b7 8.d6c5 b7c6 
  <13>   +2.49    2.28  1257499 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 b7c6 6.Kg4 c6a8 
                                7.a3d6 a8b7 8.d6c5 b7c6 
   14    +2.49    2.44  1350667 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 b7a8 6.a3c5 a8b7 
                                7.c5a3 b7a8 8.a3c5 a8b7 9.c5a3 
  <14>   +2.49    2.94  1629409 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 b7a8 6.a3c5 a8b7 
                                7.c5a3 b7a8 8.a3c5 a8b7 9.c5a3 b7a8 
                                10.a3c5 a8b7 11.c5a3 b7a8 
   15    +2.49    3.53  1980796 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 b7a8 6.a3c5 a8b7 
  <15>   +2.49    8.71  4694174 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 b7a8 6.a3c5 a8b7 
   16    +2.49    9.82  5342886 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 f7h7 6.b2b1 Kc6 
                                7.b1b2 b7c8 8.b2b1 h7f7 9.b1b2 Kd7 
                                10.a3c5 Kc6 11.Kg4 c8b7 12.c5a3 Kb5 
                                13.Kg3 f7h7 14.b2b1 Kc6 15.b1b2 b7c8 
                                16.b2b1 h7f7 17.b1b2 
  <16>   +2.49   10.00  5464121 1... b7f7 2.Kg4 a4 3.d6c5 c8b7 
                                4.c5a3 Kb5 5.Kg3 f7h7 6.b2b1 Kc6 
                                7.b1b2 b7c8 8.b2b1 h7f7 9.b1b2 Kd7 
                                10.a3c5 Kc6 11.Kg4 c8b7 12.c5a3 Kb5 
                                13.Kg3 f7h7 14.b2b1 Kc6 15.b1b2 b7c8 
                                16.b2b1 h7f7 17.b1b2 Kd7 18.a3c5 Kc6 
                                19.Kg4 c8b7 20.c5a3 Kb5 21.Kg3 f7h7 
                                22.b2b1 Kc6 23.b1b2 b7c8 24.b2b1 h7f7 
                                25.b1b2 Kd7 

Computed move :   b7f7
NPS:              545321
no solution found [:-( [228/230]!
© Steffen A. Jakob