[ Test Suite ecm-gcp | Hossa ]

Positions 131 - 140


[Diagram of position #131]

Test position #131

Black to move


FEN :          2kr2r1/2pqbp1p/p1n1b3/1P1pP3/4n3/1BP1BN2/1P4PP/RN1Q1RK1 b - -
Best Move :    Bh3 
Position ID:  "ECM.1426"

 depth   value    time    nodes pv
    1    -2.11    0.00        3 1... c6b8 2.b5xa6 
  2/1    -0.08    0.00        5 1... a6xb5 
   <1>   -0.08    0.00       98 1... a6xb5 
    2    -0.26    0.00      162 1... a6xb5 2.d1e2 
   <2>   -0.26    0.00      722 1... a6xb5 2.d1e2 
    3    -0.41    0.00     1222 1... a6xb5 2.d1e2 e6h3 
   <3>   -0.41    0.01     3800 1... a6xb5 2.d1e2 e6h3 
    4    -0.49    0.01     5655 1... a6xb5 2.d1e2 e6h3 3.a1a8 Kb7 
   <4>   -0.49    0.03    12217 1... a6xb5 2.d1e2 e6h3 3.a1a8 Kb7 
    5    -0.27    0.09    35360 1... a6xb5 2.d1d3 e6h3 3.a1a8 c6b8 
                                4.f3e1 Kb7 
   <5>   -0.27    0.12    53949 1... a6xb5 2.d1d3 e6h3 3.a1a8 c6b8 
                                4.f3e1 Kb7 
    6    -0.38    0.18    86371 1... a6xb5 2.d1d3 e6h3 3.a1a8 c6b8 
                                4.f3e1 e7h4 5.f1f3 
   <6>   -0.38    0.28   142534 1... a6xb5 2.d1d3 e6h3 3.a1a8 c6b8 
                                4.f3e1 e7h4 5.f1f3 
    7    -0.36    0.56   272910 1... a6xb5 2.d1d3 c6b8 3.a1a8 d8e8 
                                4.d3e2 Kb7 
   <7>   -0.36    0.76   433053 1... a6xb5 2.d1d3 c6b8 3.a1a8 d8e8 
                                4.d3e2 Kb7 
?   8    -0.67    2.00  1193566 1... a6xb5 2.d1d3 c6b8 3.a1a7 e4c5 
                                4.d3d1 b8c6 5.a7a8 Kb7 
   <8>   -0.67    2.00  1193612 1... a6xb5 2.d1d3 c6b8 3.a1a7 e4c5 
                                4.d3d1 b8c6 5.a7a8 Kb7 
    9    -0.64    3.25  1912136 1... a6xb5 2.d1d3 c6b8 3.b1d2 g8g4 
                                4.a1a8 d8g8 5.g3 d7c6 6.a8a7 
   <9>   -0.64    4.29  2792917 1... a6xb5 2.d1d3 c6b8 3.b1d2 g8g4 
                                4.a1a8 d8g8 5.g3 d7c6 6.a8a7 
  <10>   -0.64   10.01  6050681 1... a6xb5 2.d1d3 c6b8 3.a1a8 e4c5 
                                4.e3xc5 e7xc5 5.f3d4 c6 6.a8a1 d7c7 
                                7.d3e2 

Computed move :   a6xb5
NPS:              604463
no solution found [:-( [89/131]!
[Diagram of position #132]

Test position #132

White to move


FEN :          3Rq1k1/1pp1Ppbp/r1b3p1/p7/P1N5/1P4P1/1B2PP1P/2R3K1 w - -
Best Move :    Nd6 
Position ID:  "ECM.1433"

 depth   value    time    nodes pv
    1    +1.84    0.00       44 1.d8xe8 c6xe8 2.b2xg7 Kxg7 
   <1>   +1.84    0.00       84 1.d8xe8 c6xe8 2.b2xg7 Kxg7 
    2    +1.97    0.00      373 1.d8xe8 c6xe8 2.b2xg7 Kxg7 3.Kg2 
   <2>   +1.97    0.00      600 1.d8xe8 c6xe8 2.b2xg7 Kxg7 3.Kg2 
    3    +1.85    0.00     1700 1.d8xe8 c6xe8 2.b2xg7 Kxg7 3.Kg2 Kf6 
   <3>   +1.85    0.02     2500 1.d8xe8 c6xe8 2.b2xg7 Kxg7 3.Kg2 Kf6 
    4    +1.84    0.02     4602 1.d8xe8 c6xe8 2.b2xg7 Kxg7 3.Kg2 Kf6 
                                4.c4e3 
!11/4    +2.27    0.02     6696 1.c4xa5 
!   4    +2.29    0.03     8020 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
   <4>   +2.29    0.03     9358 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
    5    +2.08    0.03    10916 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 
   <5>   +2.08    0.05    17874 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 
    6    +2.30    0.06    22675 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 5.g7f6 
   <6>   +2.30    0.09    39068 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 5.g7f6 
    7    +2.25    0.11    49145 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 5.g7f6 h5 
   <7>   +2.25    0.20   101100 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 5.g7f6 h5 
    8    +2.47    0.25   123835 1.c4xa5 a6xa5 2.c1xc6 a5a8 3.d8xe8 a8xe8 
                                4.b2xg7 b7xc6 5.g7f6 h5 6.a5 
!16/8    +2.67    0.42   214646 1.c4b6 
!   8    +2.71    0.50   253532 1.c4b6 f6 2.c1xc6 Kf7 3.d8xe8 Kxe8 
                                4.c6xc7 a6xb6 5.b2c3 b6xb3 6.c3xa5 
!11/8    +3.42    0.56   287959 1.c4d6 
!   8    +5.35    0.64   331936 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f6 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xh7 
   <8>   +5.35    0.66   334114 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f6 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xh7 
    9    +5.36    0.75   380932 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f6 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xh7 a6b6 8.b2c3 b6xb3 9.c3xa5 
   <9>   +5.36    0.83   423969 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f6 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xh7 a6b6 8.b2c3 b6xb3 9.c3xa5 
   10    +5.50    1.03   523199 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f5 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xb7 h5 8.b7c7 
  <10>   +5.50    1.13   587077 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f5 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xb7 h5 8.b7c7 
   11    +5.36    1.34   700308 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f6 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xb7 h6 8.b2d4 a6a8 
  <11>   +5.36    1.75   970798 1.c4d6 c7xd6 2.d8xe8 c6xe8 3.c1c8 f6 
                                4.c8xe8 Kf7 5.e8g8 Kxe7 6.g8xg7 Ke6 
                                7.g7xb7 h6 8.b2d4 a6a8 
!  12    +5.78    2.41  1297630 1.c4d6 
  <12>   +5.78    2.41  1297630 1.c4d6 

Computed move :   c4d6
NPS:              538435
solution found [90/132], time: 0.56, points: 20, nodes: 287959!
[Diagram of position #133]

Test position #133

Black to move


FEN :          r2q1rk1/pp1n2pp/2pb4/1P1p3n/P1PPpP2/4P2b/1BNNBP1P/R2QR1K1 b - -
Best Move :    Nxf4 
Position ID:  "ECM.1434"

 depth   value    time    nodes pv
    1    +0.30    0.00       10 1... h5f6 2.b5xc6 b7xc6 3.c4xd5 c6xd5 
   <1>   +0.30    0.00      123 1... h5f6 2.b5xc6 b7xc6 3.c4xd5 c6xd5 
    2    +0.30    0.00      163 1... h5f6 2.b5xc6 
   <2>   +0.30    0.00      538 1... h5f6 2.b5xc6 
    3    +0.01    0.01     1678 1... h5f6 2.a1b1 c6xb5 3.a4xb5 
   <3>   +0.01    0.01     4268 1... h5f6 2.a1b1 c6xb5 3.a4xb5 
    4    +0.01    0.01     4957 1... h5f6 2.a1b1 c6xb5 3.a4xb5 
   <4>   +0.01    0.03     9398 1... h5f6 2.a1b1 c6xb5 3.a4xb5 
    5    -0.15    0.09    27793 1... h5f6 2.f3 d8e8 3.c4xd5 e8g6 
                                4.Kh1 c6xd5 5.f3xe4 f6xe4 6.d2xe4 g6xe4 
                                7.e2f3 
   <5>   -0.15    0.12    39968 1... h5f6 2.f3 d8e8 3.c4xd5 e8g6 
                                4.Kh1 c6xd5 5.f3xe4 f6xe4 6.d2xe4 g6xe4 
                                7.e2f3 
    6    +0.01    0.31   112114 1... h5f6 2.d1c1 d8b8 3.a1b1 d6c7 
                                4.b5xc6 b7xc6 
   <6>   +0.01    0.34   141430 1... h5f6 2.d1c1 d8b8 3.a1b1 d6c7 
                                4.b5xc6 b7xc6 
    7    +0.00    0.47   187629 1... h5f6 2.b5xc6 b7xc6 3.c4xd5 c6xd5 
                                4.b2a3 d6xa3 5.a1xa3 
   <7>   +0.00    0.59   276317 1... h5f6 2.b5xc6 b7xc6 3.c4xd5 c6xd5 
                                4.b2a3 d6xa3 5.a1xa3 
    8    +0.01    0.76   355596 1... h5f6 2.b5xc6 b7xc6 3.b2a3 d6xa3 
                                4.a1xa3 d8e8 5.a3b3 e8g6 6.Kh1 
   <8>   +0.01    0.86   428946 1... h5f6 2.b5xc6 b7xc6 3.b2a3 d6xa3 
                                4.a1xa3 d8e8 5.a3b3 e8g6 6.Kh1 
    9    -0.29    1.58   742530 1... h5f6 2.f3 d8e8 3.Kh1 a8c8 
                                4.b2a3 d6xa3 5.c2xa3 d7b6 6.b5xc6 b7xc6 
                                7.c4xd5 c6xd5 8.f3xe4 f6xe4 9.d2xe4 e8xe4 
                                10.e2f3 
  2/9    -0.20    3.42  1605054 1... d6xf4 2.e3xf4 h5xf4 3.d2f1 h3e6 
                                4.e2g4 d8g5 5.f1e3 e6xg4 6.e3xg4 
   <9>   -0.20    3.87  1988132 1... d6xf4 2.e3xf4 h5xf4 3.d2f1 h3e6 
                                4.e2g4 d8g5 5.f1e3 e6xg4 6.e3xg4 
   10    -0.11    7.06  3681884 1... d6xf4 2.e3xf4 h5xf4 3.d2f1 h3e6 
                                4.b5xc6 f4h3 5.Kg2 f8xf2 6.Kh1 b7xc6 
                                7.f1e3 d5xc4 8.e3xc4 
!3/10    +0.22    8.78  4665480 1... h5xf4 
!  10    +0.58    9.95  5334020 1... h5xf4 2.e3xf4 d8f6 3.c2e3 f6xf4 
                                4.d2f1 f4xf2 5.Kh1 d6xh2 6.f1xh2 f2xe3 
                                7.h2g4 h3xg4 8.e2xg4 
  <10>   +0.58   10.00  5380690 1... h5xf4 2.e3xf4 d8f6 3.c2e3 f6xf4 
                                4.d2f1 f4xf2 5.Kh1 d6xh2 6.f1xh2 f2xe3 
                                7.h2g4 h3xg4 8.e2xg4 

Computed move :   h5xf4
NPS:              538069
solution found [91/133], time: 8.78, points: 11, nodes: 4665480!
[Diagram of position #134]

Test position #134

Black to move


FEN :          r1b2rk1/pp4bp/2p3p1/4q2n/NQPN1p1P/1P5n/P3PPB1/2BRRK2 b - -
Best Move :    f3 
Position ID:  "ECM.1438"

 depth   value    time    nodes pv
    1    +1.29    0.00        5 1... f8d8 
   <1>   +1.29    0.00      150 1... f8d8 
?   2    +0.16    0.02     1415 1... f8d8 2.d4xc6 
? 4/2    +0.81    0.02     2082 1... g7f6 2.d1d3 
   <2>   +0.81    0.02     2287 1... g7f6 2.d1d3 
    3    +0.82    0.02     3346 1... g7f6 2.d1d3 f6e7 
  5/3    +0.88    0.03     5922 1... a5 2.b4c5 e5c7 
  9/3    +1.14    0.03     6682 1... e5f6 2.d4f3 f8d8 
   <3>   +1.14    0.03     7558 1... e5f6 2.d4f3 f8d8 
  3/4    +0.77    0.05    11996 1... g7f6 2.d1d3 f6e7 3.b4d2 
   <4>   +0.77    0.11    37388 1... g7f6 2.d1d3 f6e7 3.b4d2 
    5    +0.67    0.13    47250 1... g7f6 2.d1d3 f6e7 3.c5 a5 
  4/5    +0.74    0.17    71858 1... h5f6 2.b4c5 e5e8 3.e4 f4xe3 
   <5>   +0.74    0.22    96684 1... h5f6 2.b4c5 e5e8 3.e4 f4xe3 
  2/6    +0.36    0.42   204750 1... g7f6 2.d1d3 a5 3.b4c5 f8d8 
                                4.d4xc6 e5xc5 5.a4xc5 d8xd3 6.e2xd3 b7xc6 
                                7.g2xc6 
 10/6    +0.49    0.74   384337 1... f8f7 2.d4f3 e5f6 3.d1d6 f6a1 
                                4.d6d8 g7f8 
 15/6    +0.70    0.94   479402 1... e5c7 2.b4c3 f8d8 3.e4 c7e7 
                                4.g2xh3 c8xh3 5.c3xh3 g7xd4 
   <6>   +0.70    1.13   578682 1... e5c7 2.b4c3 f8d8 3.e4 c7e7 
                                4.g2xh3 c8xh3 5.c3xh3 g7xd4 
    7    +0.68    1.64   841002 1... e5c7 2.d1d3 f8d8 3.e1d1 c8g4 
                                4.c1b2 g7f8 
   <7>   +0.68    2.41  1386046 1... e5c7 2.d1d3 f8d8 3.e1d1 c8g4 
                                4.c1b2 g7f8 
 12/8    +0.43    5.35  3330116 1... g7f6 2.d1d3 h3xf2 3.Kxf2 f6xh4 
                                4.Kf1 h5g3 5.Kg1 h4e7 6.b4d2 c8g4 
 18/8    +0.47    6.53  4025409 1... e5f6 2.d4f3 f8e8 3.c1b2 f6f5 
                                4.b2xg7 h5xg7 5.e3 
   <8>   +0.47    7.27  4542037 1... e5f6 2.d4f3 f8e8 3.c1b2 f6f5 
                                4.b2xg7 h5xg7 5.e3 
    9    +0.58    8.08  5042339 1... e5f6 2.d4f3 f8e8 3.c1b2 f6f5 
                                4.b2xg7 h5xg7 5.e3 f4xe3 6.f2xe3 f5c2 
   <9>   +0.58   10.00  6600459 1... e5f6 2.d4f3 f8e8 3.c1b2 f6f5 
                                4.b2xg7 h5xg7 5.e3 f4xe3 6.f2xe3 f5c2 

Computed move :   e5f6
NPS:              660045
no solution found [:-( [91/134]!
[Diagram of position #135]

Test position #135

Black to move


FEN :          4rqk1/p5b1/3p3p/3Pn1p1/1pP1NrP1/4NP2/P3Q1P1/1K1RR3 b - -
Best Move :    Nxf3 
Position ID:  "ECM.1439"

 depth   value    time    nodes pv
    1    -1.94    0.00        2 1... e5d7 
   <1>   -1.94    0.00       47 1... e5d7 
 11/2    -2.07    0.00      205 1... e8c8 2.d1d2 
   <2>   -2.07    0.00      290 1... e8c8 2.d1d2 
    3    -2.04    0.00      584 1... e8c8 2.d1d2 c8e8 
   <3>   -2.04    0.02     2025 1... e8c8 2.d1d2 c8e8 
  2/4    -2.28    0.02     3926 1... a6 2.e3f5 f4xf5 3.g4xf5 f8xf5 
  8/4    -2.24    0.02     6413 1... e5d7 2.e3f5 f4xf5 3.g4xf5 f8xf5 
   <4>   -2.24    0.03     8947 1... e5d7 2.e3f5 f4xf5 3.g4xf5 f8xf5 
    5    -2.38    0.03    10620 1... e5d7 2.e3f5 f4xf5 3.g4xf5 f8xf5 
                                4.g4 
  3/5    -2.27    0.05    14733 1... e8c8 2.d1c1 c8e8 3.e3f5 f4xf5 
                                4.g4xf5 f8xf5 
 26/5    -2.19    0.08    28115 1... h5 2.g4xh5 g4 3.h6 g7xh6 
   <5>   -2.19    0.08    29412 1... h5 2.g4xh5 g4 3.h6 g7xh6 
    6    -2.17    0.13    50234 1... h5 2.e3f5 h5xg4 3.f3xg4 e8d8 
                                4.e4xg5 e5xg4 
   <6>   -2.17    0.17    71986 1... h5 2.e3f5 h5xg4 3.f3xg4 e8d8 
                                4.e4xg5 e5xg4 
    7    -2.38    0.27   113651 1... h5 2.e3f5 f4xf5 3.g4xf5 f8xf5 
                                4.e2c2 e5f7 
   <7>   -2.38    0.41   192225 1... h5 2.e3f5 f4xf5 3.g4xf5 f8xf5 
                                4.e2c2 e5f7 
    8    -2.70    0.63   298706 1... h5 2.e3f5 f4xf5 3.g4xf5 f8xf5 
                                4.e2c2 g7f8 5.e1e2 f8e7 
  2/8    -2.46    0.97   468269 1... e8b8 2.e3f5 f4xf5 3.g4xf5 b3 
                                4.g4 b3xa2 5.Kxa2 e5f7 
   <8>   -2.46    1.44   718482 1... e8b8 2.e3f5 f4xf5 3.g4xf5 b3 
                                4.g4 b3xa2 5.Kxa2 e5f7 
    9    -2.10    2.36  1227918 1... e8b8 2.e3f5 f4xf5 3.g4xf5 b3 
                                4.a2xb3 b8xb3 5.Ka2 b3b4 6.d1c1 f8b8 
   <9>   -2.10    2.58  1359888 1... e8b8 2.e3f5 f4xf5 3.g4xf5 b3 
                                4.a2xb3 b8xb3 5.Ka2 b3b4 6.d1c1 f8b8 
   10    -2.23    3.38  1832648 1... e8b8 2.e3f5 f4xf5 3.g4xf5 b3 
                                4.g4 b3xa2 5.Kxa2 f8c8 6.c5 d6xc5 
                                7.d1b1 b8b6 8.b1xb6 a7xb6 
  <10>   -2.23    4.38  2427967 1... e8b8 2.e3f5 f4xf5 3.g4xf5 b3 
                                4.g4 b3xa2 5.Kxa2 f8c8 6.c5 d6xc5 
                                7.d1b1 b8b6 8.b1xb6 a7xb6 
  <11>   -2.23   10.00  5768215 1... e8b8 2.e3f5 

Computed move :   e8b8
NPS:              576821
no solution found [:-( [91/135]!
[Diagram of position #136]

Test position #136

White to move


FEN :          3r1qk1/5p1p/4b1pP/1pRp4/1P1Q4/r5P1/5P2/4RBK1 w - -
Best Move :    Rxe6 
Position ID:  "ECM.1448"

 depth   value    time    nodes pv
    1    +2.73    0.00        6 1.d4f6 
   <1>   +2.73    0.00      117 1.d4f6 
?   2    +2.44    0.00      922 1.d4f6 a3a2 
   <2>   +2.44    0.00      968 1.d4f6 a3a2 
?   3    -0.09    0.01     3188 1.d4f6 d8b8 2.f1g2 f8xh6 3.g2xd5 e6xd5 
                                4.c5xd5 
   <3>   -0.09    0.01     4360 1.d4f6 d8b8 2.f1g2 f8xh6 3.g2xd5 e6xd5 
                                4.c5xd5 
    4    -0.09    0.01     5336 1.d4f6 d8b8 2.f1g2 f8xh6 
   <4>   -0.09    0.03     9984 1.d4f6 d8b8 2.f1g2 f8xh6 
    5    -0.28    0.04    14340 1.d4f6 d8b8 2.f1xb5 f8xh6 3.e1b1 
   <5>   -0.28    0.07    31549 1.d4f6 d8b8 2.f1xb5 f8xh6 3.e1b1 
    6    -0.35    0.11    49439 1.d4f6 d8b8 2.c5xb5 b8xb5 3.f1xb5 f8xh6 
                                4.b5c6 
  2/6    -0.32    0.15    68577 1.c5xb5 f8xh6 2.d4f6 d8c8 3.b5b7 c8c2 
                                4.b5 
   <6>   -0.32    0.20   105484 1.c5xb5 f8xh6 2.d4f6 d8c8 3.b5b7 c8c2 
                                4.b5 
    7    -0.54    0.26   142616 1.c5xb5 f8xh6 2.d4f6 d8a8 3.e1xe6 f7xe6 
                                4.f6xe6 Kh8 5.e6e5 Kg8 6.b5xd5 
  2/7    -0.32    0.46   264404 1.d4f6 a3a8 2.c5xb5 f8xh6 3.b5b7 d8d7 
                                4.b7xd7 e6xd7 
   <7>   -0.32    0.57   335834 1.d4f6 a3a8 2.c5xb5 f8xh6 3.b5b7 d8d7 
                                4.b7xd7 e6xd7 
    8    -0.44    0.98   604682 1.d4f6 d8d6 2.f1xb5 a3b3 3.b5e8 b3xb4 
                                4.c5c7 b4b8 5.e8c6 
  7/8    -0.42    1.45   883593 1.d4f4 a3a2 2.f1xb5 d8b8 3.e1d1 f6 
                                4.b5d3 g5 5.f4c7 
  8/8    -0.35    1.57   974085 1.f1xb5 f8xh6 2.d4f6 a3a8 3.c5c7 h6d2 
                                4.e1b1 d4 5.b5a6 e6d5 
   <8>   -0.35    1.73  1085558 1.f1xb5 f8xh6 2.d4f6 a3a8 3.c5c7 h6d2 
                                4.e1b1 d4 5.b5a6 e6d5 
    9    -0.45    2.28  1481052 1.f1xb5 f8xh6 2.d4f6 a3a8 3.c5c7 h6h3 
                                4.b5c6 a8b8 5.f6g5 h3g4 
  2/9    -0.24    4.12  2596368 1.d4f4 d8c8 2.c5xc8 f8xc8 3.f1xb5 a3a2 
                                4.f4d4 c8f8 5.b5c6 f8xh6 6.c6xd5 
   <9>   -0.24    4.48  2879118 1.d4f4 d8c8 2.c5xc8 f8xc8 3.f1xb5 a3a2 
                                4.f4d4 c8f8 5.b5c6 f8xh6 6.c6xd5 
   10    -0.20    8.46  5329018 1.d4f4 d4 2.c5xb5 a3a7 3.e1d1 a7d7 
                                4.f1d3 d8a8 5.b5a5 a8b8 6.b5 
  <10>   -0.20   10.00  6368825 1.d4f4 d4 2.c5xb5 a3a7 3.e1d1 a7d7 
                                4.f1d3 d8a8 5.b5a5 a8b8 6.b5 

Computed move :   d4f4
NPS:              636882
no solution found [:-( [91/136]!
[Diagram of position #137]

Test position #137

White to move


FEN :          2rr1nk1/pp2q1b1/4p1p1/5p2/1nB5/2B1N1QP/PP4P1/4RRK1 w - -
Best Move :    Nxf5 
Position ID:  "ECM.1450"

 depth   value    time    nodes pv
    1    -1.10    0.00        4 1.c3xb4 e7xb4 
 30/1    -1.08    0.00      153 1.c3e5 g7xe5 2.g3xe5 
   <1>   -1.08    0.00      217 1.c3e5 g7xe5 2.g3xe5 
    2    -1.08    0.00      270 1.c3e5 g7xe5 
   <2>   -1.08    0.02      554 1.c3e5 g7xe5 
  2/3    -0.80    0.02     4073 1.c4xe6 f8xe6 2.g3xg6 b4xa2 3.e3xf5 
   <3>   -0.80    0.03     5464 1.c4xe6 f8xe6 2.g3xg6 b4xa2 3.e3xf5 
    4    -0.72    0.05    13207 1.c4xe6 f8xe6 2.g3xg6 e6f8 3.g6xg7 e7xg7 
                                4.c3xg7 Kxg7 5.e3xf5 Kg8 
   <4>   -0.72    0.06    17396 1.c4xe6 f8xe6 2.g3xg6 e6f8 3.g6xg7 e7xg7 
                                4.c3xg7 Kxg7 5.e3xf5 Kg8 
!   5    -0.30    0.09    29380 1.c4xe6 
!   5    -0.19    0.13    48900 1.c4xe6 f8xe6 2.g3xg6 c8xc3 3.b2xc3 e6f8 
                                4.g6xf5 g7xc3 
   <5>   -0.19    0.14    58771 1.c4xe6 f8xe6 2.g3xg6 c8xc3 3.b2xc3 e6f8 
                                4.g6xf5 g7xc3 
    6    -0.38    0.27   114253 1.c4xe6 f8xe6 2.g3xg6 c8xc3 3.b2xc3 e6f8 
                                4.g6xf5 g7xc3 5.e1e2 
   <6>   -0.38    0.34   153517 1.c4xe6 f8xe6 2.g3xg6 c8xc3 3.b2xc3 e6f8 
                                4.g6xf5 g7xc3 5.e1e2 
    7    -0.55    0.72   372951 1.c4xe6 f8xe6 2.g3xg6 e6f8 3.g6xg7 e7xg7 
                                4.c3xg7 Kxg7 5.e3xf5 Kh8 6.a3 b4d5 
                                7.g4 
   <7>   -0.55    0.88   468193 1.c4xe6 f8xe6 2.g3xg6 e6f8 3.g6xg7 e7xg7 
                                4.c3xg7 Kxg7 5.e3xf5 Kh8 6.a3 b4d5 
                                7.g4 
    8    -0.78    1.78  1017678 1.c4xe6 f8xe6 2.g3xg6 e6f8 3.g6xg7 e7xg7 
                                4.c3xg7 Kxg7 5.e3xf5 Kh8 6.a3 b4d5 
                                7.f1f2 f8d7 
  3/8    -0.49    2.41  1397662 1.a3 b4a6 2.c3xg7 e7xg7 3.c4xa6 b7xa6 
                                4.e1e2 g5 5.g3f2 
   <8>   -0.49    2.61  1525058 1.a3 b4a6 2.c3xg7 e7xg7 3.c4xa6 b7xa6 
                                4.e1e2 g5 5.g3f2 
    9    -0.53    3.44  2080570 1.a3 b4c6 2.f1xf5 g7xc3 3.b2xc3 e7xa3 
                                4.f5xf8 Kxf8 5.c4xe6 c8a8 6.g3xg6 a3xc3 
  3/9    -0.28    5.70  3533272 1.f1xf5 g6xf5 2.e3xf5 e7c5 3.c3d4 c5xd4 
                                4.f5xd4 c8xc4 5.d4xe6 f8xe6 6.e1xe6 d8d1 
                                7.Kf2 b4xa2 
! 7/9    -0.07    6.47  4021217 1.e3xf5 
!   9    +0.68    7.03  4366627 1.e3xf5 
!   9    +1.86    7.91  4876259 1.e3xf5 g6xf5 2.e1xe6 f8xe6 3.c4xe6 Kh7 
                                4.e6xf5 Kg8 5.f5xc8 d8xc8 6.c3xg7 e7e2 
   <9>   +1.86    7.97  4936692 1.e3xf5 g6xf5 2.e1xe6 f8xe6 3.c4xe6 Kh7 
                                4.e6xf5 Kg8 5.f5xc8 d8xc8 6.c3xg7 e7e2 
!  10    +2.28    9.55  5884114 1.e3xf5 
!  10    +2.28    9.73  6050000 1.e3xf5 g6xf5 2.e1xe6 f8xe6 3.c4xe6 Kh7 
                                4.e6xf5 Kg8 5.f5xc8 d8xc8 6.c3xg7 e7xg7 
                                7.g3b3 Kh7 8.b3xb4 
  <10>   +2.28   10.00  6290694 1.e3xf5 g6xf5 2.e1xe6 f8xe6 3.c4xe6 Kh7 
                                4.e6xf5 Kg8 5.f5xc8 d8xc8 6.c3xg7 e7xg7 
                                7.g3b3 Kh7 8.b3xb4 

Computed move :   e3xf5
NPS:              629069
solution found [92/137], time: 6.47, points: 12, nodes: 4021217!
[Diagram of position #138]

Test position #138

Black to move


FEN :          6rk/1b2bp1p/ppq1p3/2p1Pp2/P1Br1P2/1PNR2P1/2P1QK1P/6R1 b - -
Best Move :    Rxf4+ 
Position ID:  "ECM.1452"

 depth   value    time    nodes pv
    1    +0.01    0.00        5 1... d4xd3 2.c4xd3 
  3/1    +0.16    0.02       20 1... c6c7 2.d3xd4 c5xd4 
   <1>   +0.16    0.02      201 1... c6c7 2.d3xd4 c5xd4 
    2    -0.04    0.02      263 1... c6c7 2.e2h5 
  3/2    +0.01    0.02      541 1... d4xd3 2.c4xd3 
   <2>   +0.01    0.02      944 1... d4xd3 2.c4xd3 
    3    +0.05    0.02     1278 1... d4xd3 2.c4xd3 c6c8 
   <3>   +0.05    0.02     3131 1... d4xd3 2.c4xd3 c6c8 
    4    -0.22    0.04     3813 1... d4xd3 2.c4xd3 c6c8 3.e2h5 
  5/4    -0.17    0.04     8117 1... c6c7 2.e2h5 d4xd3 3.c4xd3 
  6/4    -0.11    0.05    12300 1... c6d7 2.g1d1 d4xd3 3.c4xd3 
 40/4    -0.01    0.08    24100 1... g8g4 2.e2e3 d4xd3 3.c4xd3 
   <4>   -0.01    0.08    24515 1... g8g4 2.e2e3 d4xd3 3.c4xd3 
    5    +0.05    0.10    38562 1... g8g4 2.a5 b6xa5 3.e2e3 d4xd3 
                                4.c4xd3 
  4/5    +0.21    0.11    42889 1... d4xd3 2.c4xd3 c6d7 3.Ke1 d7d4 
   <5>   +0.21    0.13    55767 1... d4xd3 2.c4xd3 c6d7 3.Ke1 d7d4 
    6    +0.14    0.15    65257 1... d4xd3 2.c4xd3 c4 3.d3xc4 e7c5 
                                4.Kf1 c5xg1 5.Kxg1 
   <6>   +0.14    0.21   108745 1... d4xd3 2.c4xd3 c4 3.d3xc4 e7c5 
                                4.Kf1 c5xg1 5.Kxg1 
    7    +0.02    0.40   198928 1... d4xd3 2.e2xd3 g8d8 3.d3e2 a5 
                                4.c4a6 b7xa6 5.e2xa6 
   <7>   +0.02    0.77   432442 1... d4xd3 2.e2xd3 g8d8 3.d3e2 a5 
                                4.c4a6 b7xa6 5.e2xa6 
    8    -0.07    0.99   550405 1... d4xd3 2.e2xd3 g8d8 3.d3e2 Kg8 
                                4.g1d1 d8xd1 5.c3xd1 c6h1 
! 3/8    +0.44    1.93  1176899 1... d4xf4 
!   8    +1.19    2.43  1496459 1... d4xf4 
!   8    +1.30    3.35  2000180 1... d4xf4 2.g3xf4 g8xg1 3.d3g3 g1xg3 
                                4.Kxg3 c6h1 5.e2f2 Kg7 6.c4f1 h6 
   <8>   +1.30    3.40  2031702 1... d4xf4 2.g3xf4 g8xg1 3.d3g3 g1xg3 
                                4.Kxg3 c6h1 5.e2f2 Kg7 6.c4f1 h6 
    9    +1.22    4.07  2452766 1... d4xf4 2.g3xf4 g8xg1 3.d3g3 g1g2 
                                4.g3xg2 c6xg2 5.Ke3 g2g1 6.e2f2 g1c1 
                                7.f2d2 c1xd2 8.Kxd2 Kg7 9.Ke3 h6 
                                10.c4d3 
   <9>   +1.22    4.16  2527465 1... d4xf4 2.g3xf4 g8xg1 3.d3g3 g1g2 
                                4.g3xg2 c6xg2 5.Ke3 g2g1 6.e2f2 g1c1 
                                7.f2d2 c1xd2 8.Kxd2 Kg7 9.Ke3 h6 
                                10.c4d3 
!  10    +1.64    7.79  4735926 1... d4xf4 
  <10>   +1.64   10.00  5987879 

Computed move :   d4xf4
NPS:              598787
solution found [93/138], time: 1.93, points: 16, nodes: 1176899!
[Diagram of position #139]

Test position #139

White to move


FEN :          4qrk1/pp1bbppp/4pn2/2r1Q1B1/7P/2N3R1/PPP2PP1/2KR1B2 w - -
Best Move :    Bxf6 
Position ID:  "ECM.1454"

 depth   value    time    nodes pv
    1    -0.07    0.00        2 1.e5e2 
   <1>   -0.07    0.00       72 1.e5e2 
    2    -0.23    0.00      129 1.e5e2 e8c8 
   <2>   -0.23    0.01      371 1.e5e2 e8c8 
    3    +0.00    0.01      716 1.e5e2 e8c8 2.g3d3 
   <3>   +0.00    0.01     2359 1.e5e2 e8c8 2.g3d3 
    4    -0.06    0.01     4587 1.e5e2 e8c8 2.g5e3 c5a5 
   <4>   -0.06    0.03     8983 1.e5e2 e8c8 2.g5e3 c5a5 
    5    +0.06    0.05    16293 1.e5e2 d7c6 2.Kb1 e8c8 3.g3d3 
  5/5    +0.11    0.06    24601 1.e5e3 b6 2.e3d2 d7c6 3.Kb1 
   <5>   +0.11    0.08    31395 1.e5e3 b6 2.e3d2 d7c6 3.Kb1 
    6    +0.05    0.12    53683 1.e5e3 e8c8 2.d1xd7 c5xc3 3.e3xc3 c8xd7 
  4/6    +0.35    0.17    82053 1.c3d5 c5xd5 2.d1xd5 e6xd5 3.g5xf6 e7xf6 
                                4.e5xf6 
   <6>   +0.35    0.22   102852 1.c3d5 c5xd5 2.d1xd5 e6xd5 3.g5xf6 e7xf6 
                                4.e5xf6 
  2/7    +0.23    0.45   224295 1.e5e3 c5a5 2.f1e2 e7c5 3.e3d3 f6d5 
                                4.c3e4 
   <7>   +0.23    0.53   294821 1.e5e3 c5a5 2.f1e2 e7c5 3.e3d3 f6d5 
                                4.c3e4 
    8    +0.27    0.75   426159 1.e5e3 c5a5 2.f1e2 Kh8 3.e3d2 d7c6 
                                4.Kb1 e8b8 5.g5f4 
   <8>   +0.27    0.84   501906 1.e5e3 c5a5 2.f1e2 Kh8 3.e3d2 d7c6 
                                4.Kb1 e8b8 5.g5f4 
    9    +0.21    1.66   992656 1.e5e3 c5a5 2.Kb1 d7c6 3.e3d4 e5 
                                4.d4d2 e8c8 5.g3d3 c8b8 
! 2/9    +0.69    1.95  1183394 1.g5xf6 
!   9    +1.44    2.14  1299386 1.g5xf6 
!   9    +4.34    2.83  1726732 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 Kg8 
                                7.f8d6 
   <9>   +4.34    2.87  1772962 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 Kg8 
                                7.f8d6 
?  10    +3.29    3.69  2525580 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.Kb1 h6xh4 
  <10>   +3.29    3.91  2759967 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.Kb1 h6xh4 
   11    +3.36    4.75  3379808 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.Kb1 h6xh4 9.g3 
  <11>   +3.36    5.34  3992834 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.Kb1 h6xh4 9.g3 
   12    +3.12    6.58  4977560 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.Kb1 h6xh4 9.g3 h4h1 
  <12>   +3.12    8.45  6713869 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.Kb1 h6xh4 9.g3 h4h1 
  <13>   +3.12   10.00  8039706 1.g5xf6 c5xe5 2.g3xg7 Kh8 3.f6xe5 f6 
                                4.g7xe7 e8xe7 5.e5d6 e7f7 6.d6xf8 f7xf8 
                                7.d1xd7 f8h6 8.d7d2 h6xh4 9.d2d8 Kg7 
                                10.d8d7 Kg6 11.f1d3 f5 12.g3 

Computed move :   g5xf6
NPS:              803970
solution found [94/139], time: 1.95, points: 16, nodes: 1183394!
[Diagram of position #140]

Test position #140

Black to move


FEN :          1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - -
Best Move :    Nf3+ 
Position ID:  "ECM.1457"

 depth   value    time    nodes pv
    1    +0.34    0.00        2 1... e5f7 
  5/1    +0.49    0.00        8 1... g4f5 
   <1>   +0.49    0.00      195 1... g4f5 
    2    +0.44    0.00      285 1... g4f5 2.b1c1 
 42/2    +0.49    0.01     1326 1... g4f3 2.h4g3 
   <2>   +0.49    0.01     1342 1... g4f3 2.h4g3 
    3    +0.27    0.01     1817 1... g4f3 2.c3e2 d4b6 
! 2/3    +0.91    0.01     2172 1... g4f5 
!   3    +1.38    0.01     2540 1... g4f5 2.c3e2 f5xb1 3.e2xd4 
   <3>   +1.38    0.01     4451 1... g4f5 2.c3e2 f5xb1 3.e2xd4 
    4    +1.38    0.03     6743 1... g4f5 2.c3e2 f5xb1 3.e2xd4 
   <4>   +1.38    0.05    13840 1... g4f5 2.c3e2 f5xb1 3.e2xd4 
    5    +1.28    0.06    20379 1... g4f5 2.c3e2 f5xb1 3.e2xd4 b1e4 
   <5>   +1.28    0.09    43231 1... g4f5 2.c3e2 f5xb1 3.e2xd4 b1e4 
    6    +1.07    0.14    66530 1... g4f5 2.c3e2 f5xb1 3.e2xd4 b1h7 
                                4.d4e6 
   <6>   +1.07    0.25   141692 1... g4f5 2.c3e2 f5xb1 3.e2xd4 b1h7 
                                4.d4e6 
    7    +0.76    0.33   190289 1... g4f5 2.c3e2 f5xb1 3.e2xd4 g7h6 
                                4.d4e6 b1xa2 5.b3xa2 h6xh4 6.e6xd8 g8xd8 
   <7>   +0.76    0.76   471890 1... g4f5 2.c3e2 f5xb1 3.e2xd4 g7h6 
                                4.d4e6 b1xa2 5.b3xa2 h6xh4 6.e6xd8 g8xd8 
    8    +0.71    1.01   642354 1... g4f5 2.c3e2 d4b6 3.b1d1 g7g4 
                                4.h4g3 e5c4 5.d1c1 
   <8>   +0.71    2.14  1345101 1... g4f5 2.c3e2 d4b6 3.b1d1 g7g4 
                                4.h4g3 e5c4 5.d1c1 
    9    +0.91    3.05  2000329 1... g4f5 2.c3e2 d4b6 3.b1a1 e5d3 
                                4.e1d1 g7g6 5.e2c1 d3e5 
! 2/9    +1.13    3.41  2235284 1... e5f3 
!   9    +1.88    3.83  2486131 1... e5f3 
!   9    +5.08    5.33  3222272 1... e5f3 
   <9>   +5.08   10.00  6619928 

Computed move :   e5f3
NPS:              661992
solution found [95/140], time: 3.41, points: 14, nodes: 2235284!
© Steffen A. Jakob