[ Test Suite ecm-gcp | Hossa ]

Positions 121 - 130


[Diagram of position #121]

Test position #121

Black to move


FEN :          r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - -
Best Move :    Rxh2+ 
Position ID:  "ECM.1387"

 depth   value    time    nodes pv
    1    -4.82    0.00        5 1... f2h4 2.d2xe4 
  2/1    -3.66    0.00       12 1... e4c3 2.e2xf2 c3xd1 3.a1xd1 f5xc2 
  3/1    -1.78    0.00       26 1... e4xd2 2.e2xf2 
 35/1    -1.63    0.00      225 1... e4g3 2.f4xg3 f2xg3 
 40/1    -1.10    0.00      265 1... f2g3 
   <1>   -1.10    0.00      401 1... f2g3 
?   2    -1.64    0.00     1376 1... f2g3 2.e5xg6 e8xg6 3.f4xg3 
   <2>   -1.64    0.01     2134 1... f2g3 2.e5xg6 e8xg6 3.f4xg3 
    3    -1.64    0.01     3053 1... f2g3 2.e5xg6 e8xg6 3.f4xg3 
   <3>   -1.64    0.03    11983 1... f2g3 2.e5xg6 e8xg6 3.f4xg3 
!   4    -1.22    0.04    14445 1... f2g3 
!   4    -0.80    0.04    18114 1... f2g3 2.e5f3 Kf7 3.d2xe4 g3xf4 
   <4>   -0.80    0.07    26663 1... f2g3 2.e5f3 Kf7 3.d2xe4 g3xf4 
    5    -0.80    0.09    38529 1... f2g3 2.e5f3 g3xf4 3.d2xe4 Kf7 
                                4.e4g5 
! 3/5    -0.38    0.11    47780 1... h8xh2 
!   5    +0.37    0.11    49596 1... h8xh2 
!   5    +3.57    0.11    51909 1... h8xh2 
!   5       #6    0.12    58963 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
   <5>      #6    0.12    67103 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
    6       #6    0.14    81654 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
   <6>      #6    0.17   102725 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
    7       #6    0.18   123726 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
   <7>      #6    0.21   151731 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
    8       #6    0.23   185741 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
   <8>      #6    0.25   189516 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
    9       #6    0.28   234579 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 
   <9>      #6    0.29   253049 1... h8xh2 2.f4xh2 e4g3 3.h2xg3 e8h8 
                                4.g3h2 h8xh2 5.Kxh2 a8h8 6.e2h5 h8xh5 
                                7.h8xh5 

Computed move :   h8xh2
NPS:              872582
solution found [83/121], time: 0.11, points: 25, nodes: 47780!
[Diagram of position #122]

Test position #122

Black to move


FEN :          2kr3r/p5b1/Pp2R1p1/2q2p1p/2p2Pn1/2P2BP1/1PQB2P1/5R1K b - -
Best Move :    h4 
Position ID:  "ECM.1394"

 depth   value    time    nodes pv
    1    +0.05    0.00        8 1... Kb8 2.e6xg6 
  6/1    +0.61    0.00       26 1... h8h6 
 25/1    +0.79    0.00      271 1... g4f2 2.Kh2 f2g4 3.Kh1 h8h6 
   <1>   +0.79    0.00      332 1... g4f2 2.Kh2 f2g4 3.Kh1 h8h6 
?   2    +0.00    0.00     1497 1... g4f2 2.Kh2 f2g4 3.Kh1 g4f2 
                                4.Kh2 f2g4 5.Kh1 g4f2 
? 5/2    +0.05    0.02     1733 1... Kb8 2.e6xg6 
   <2>   +0.05    0.02     1958 1... Kb8 2.e6xg6 
!   3    +0.47    0.02     2367 1... Kb8 
!   3    +0.62    0.02     2830 1... Kb8 2.e6c6 g4f2 3.Kg1 
   <3>   +0.62    0.03     4896 1... Kb8 2.e6c6 g4f2 3.Kg1 
 13/4    +0.35    0.05    11948 1... d8d6 2.e6xd6 c5xd6 3.f1e1 
   <4>   +0.35    0.05    15888 1... d8d6 2.e6xd6 c5xd6 3.f1e1 
    5    +0.44    0.07    19244 1... d8d6 2.e6xd6 c5xd6 3.f1e1 d6c5 
   <5>   +0.44    0.08    35377 1... d8d6 2.e6xd6 c5xd6 3.f1e1 d6c5 
    6    +0.22    0.16    74053 1... d8d6 2.f1e1 Kb8 3.e6e8 d6d8 
                                4.e8e7 c5f2 
   <6>   +0.22    0.25   127323 1... d8d6 2.f1e1 Kb8 3.e6e8 d6d8 
                                4.e8e7 c5f2 
    7    +0.35    0.39   207815 1... d8d6 2.f1e1 h8d8 3.e6xd6 c5xd6 
                                4.d2e3 Kb8 5.f3xg4 h5xg4 
   <7>   +0.35    0.71   401855 1... d8d6 2.f1e1 h8d8 3.e6xd6 c5xd6 
                                4.d2e3 Kb8 5.f3xg4 h5xg4 
    8    +0.55    0.91   526551 1... d8d6 2.f1e1 d6xe6 3.e1xe6 c5f2 
                                4.c2c1 h8d8 5.e6xg6 d8xd2 6.g6xg7 
   <8>   +0.55    1.08   665856 1... d8d6 2.f1e1 d6xe6 3.e1xe6 c5f2 
                                4.c2c1 h8d8 5.e6xg6 d8xd2 6.g6xg7 
    9    +0.86    1.66  1020241 1... d8d6 2.e6xd6 c5xd6 3.f1e1 h4 
                                4.f3xg4 f5xg4 5.g3xh4 h8xh4 6.Kg1 g3 
! 2/9    +0.97    1.80  1101450 1... h4 
!   9    +1.72    1.89  1156924 1... h4 
!   9    +3.87    2.47  1599448 1... h4 2.e6c6 c5xc6 3.f3xc6 h4xg3 
                                4.Kg1 g4f2 5.f1xf2 h8h1 6.Kxh1 g3xf2 
                                7.Kh2 d8h8 8.Kg3 f2f1Q 9.d2e3 
   <9>   +3.87    2.60  1711907 1... h4 2.e6c6 c5xc6 3.f3xc6 h4xg3 
                                4.Kg1 g4f2 5.f1xf2 h8h1 6.Kxh1 g3xf2 
                                7.Kh2 d8h8 8.Kg3 f2f1Q 9.d2e3 
   10    +3.90    3.46  2406931 1... h4 2.e6c6 c5xc6 3.f3xc6 h4xg3 
                                4.Kg1 g4f2 5.f1xf2 h8h1 6.Kxh1 g3xf2 
                                7.Kh2 d8h8 8.Kg3 f2f1Q 9.d2e3 Kb8 
  <10>   +3.90    3.78  2734606 1... h4 2.e6c6 c5xc6 3.f3xc6 h4xg3 
                                4.Kg1 g4f2 5.f1xf2 h8h1 6.Kxh1 g3xf2 
                                7.Kh2 d8h8 8.Kg3 f2f1Q 9.d2e3 Kb8 
  <11>   +3.90   10.00  7836953 1... h4 

Computed move :   h4
NPS:              783695
solution found [84/122], time: 1.80, points: 18, nodes: 1101450!
[Diagram of position #123]

Test position #123

White to move


FEN :          3qrbk1/1r3p2/p1bp1Pp1/1p2p1Pp/4P2R/1P2BB1Q/P1P4P/R6K w - -
Best Move :    Bxh5 
Position ID:  "ECM.1398"

 depth   value    time    nodes pv
    1    +0.47    0.00        2 1.h3f1 
   <1>   +0.47    0.00       43 1.h3f1 
?   2    -0.38    0.00      217 1.h3f1 d8d7 
   <2>   -0.38    0.00      354 1.h3f1 d8d7 
    3    -0.28    0.01      607 1.h3f1 c6d7 2.a1d1 
   <3>   -0.28    0.01     1302 1.h3f1 c6d7 2.a1d1 
    4    -0.28    0.01     2041 1.h3f1 c6d7 2.f3xh5 g6xh5 3.h4xh5 
   <4>   -0.28    0.03     5063 1.h3f1 c6d7 2.f3xh5 g6xh5 3.h4xh5 
    5    -0.28    0.03     6686 1.h3f1 c6d7 2.f3xh5 g6xh5 3.h4xh5 d8b8 
   <5>   -0.28    0.04    11207 1.h3f1 c6d7 2.f3xh5 g6xh5 3.h4xh5 d8b8 
    6    -0.33    0.06    21783 1.h3f1 c6d7 2.a1d1 d8c7 3.f1e2 e8c8 
  2/6    -0.31    0.09    30451 1.h3g2 c6d7 2.f3xh5 g6xh5 3.h4xh5 b4 
   <6>   -0.31    0.12    48409 1.h3g2 c6d7 2.f3xh5 g6xh5 3.h4xh5 b4 
    7    -0.29    0.15    63959 1.h3g2 c6d7 2.f3xh5 g6xh5 3.h4xh5 b4 
                                4.a1d1 d8b8 
   <7>   -0.29    0.22   105666 1.h3g2 c6d7 2.f3xh5 g6xh5 3.h4xh5 b4 
                                4.a1d1 d8b8 
    8    -0.29    0.33   156972 1.h3g2 c6d7 2.f3xh5 g6xh5 3.h4xh5 d8c8 
                                4.a1g1 c8c3 5.g2e2 
   <8>   -0.29    0.58   284309 1.h3g2 c6d7 2.f3xh5 g6xh5 3.h4xh5 d8c8 
                                4.a1g1 c8c3 5.g2e2 
    9    -0.37    1.23   596678 1.h3g2 c6d7 2.a1c1 d8a5 3.c3 e8c8 
                                4.g2c2 a5d8 5.f3xh5 g6xh5 6.h4xh5 
  2/9    -0.27    1.95   947490 1.h3f1 c6d7 2.f3e2 d8b8 3.a4 e8c8 
                                4.a4xb5 a6xb5 5.f1c1 b7c7 
   <9>   -0.27    2.17  1070236 1.h3f1 c6d7 2.f3e2 d8b8 3.a4 e8c8 
                                4.a4xb5 a6xb5 5.f1c1 b7c7 
   10    -0.35    3.28  1653844 1.h3f1 c6d7 2.c4 d8b8 3.a1c1 e8c8 
                                4.c4xb5 a6xb5 5.c1xc8 b8xc8 6.Kg1 
!3/10    +0.15    3.98  2058074 1.f3xh5 
!  10    +0.78    4.67  2429073 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.a1c1 b7c7 5.e4xa8 e8xa8 6.h4xh5 a8e8 
  <10>   +0.78    4.70  2448007 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.a1c1 b7c7 5.e4xa8 e8xa8 6.h4xh5 a8e8 
   11    +0.48    5.25  2788604 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.c3 b7c7 5.e4xa8 e8xa8 6.e3d2 a8e8 
                                7.h4xh5 
  <11>   +0.48    5.39  2872975 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.c3 b7c7 5.e4xa8 e8xa8 6.e3d2 a8e8 
                                7.h4xh5 
   12    +0.65    7.11  4014423 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.a1d1 b7c7 5.d1d5 a8c6 6.c4 b5xc4 
                                7.b3xc4 c6a4 8.h4xh5 a4xa2 
  <12>   +0.65    7.29  4150143 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.a1d1 b7c7 5.d1d5 a8c6 6.c4 b5xc4 
                                7.b3xc4 c6a4 8.h4xh5 a4xa2 
  <13>   +0.65   10.00  6047267 1.f3xh5 g6xh5 2.h3f3 c6xe4 3.f3xe4 d8a8 
                                4.a1d1 b4 5.h4xh5 b7b5 6.e4xa8 e8xa8 
                                7.Kg2 a8c8 

Computed move :   f3xh5
NPS:              604726
solution found [85/123], time: 3.98, points: 14, nodes: 2058074!
[Diagram of position #124]

Test position #124

White to move


FEN :          r1b3k1/3nqp1p/p1n1p1pP/3pP1N1/Pp3QN1/1Pr3P1/2PR1P2/4RBK1 w - -
Best Move :    Rxd5 
Position ID:  "ECM.1403"

 depth   value    time    nodes pv
    1    -1.53    0.00        3 1.d2d1 c3xc2 
  2/1    -0.13    0.00        5 1.g4h2 
 17/1    -0.11    0.00       97 1.g4f6 d7xf6 2.e5xf6 
 22/1    +0.08    0.00      107 1.f1d3 
   <1>   +0.08    0.00      171 1.f1d3 
    2    +0.01    0.00      227 1.f1d3 c6d4 
   <2>   +0.01    0.00      737 1.f1d3 c6d4 
    3    +0.27    0.02     1503 1.f1d3 c6d8 2.d2d1 
   <3>   +0.27    0.02     2803 1.f1d3 c6d8 2.d2d1 
    4    +0.02    0.02     4551 1.f1d3 c8b7 2.d2d1 a8c8 
  2/4    +0.21    0.03     8968 1.g4f6 d7xf6 2.e5xf6 e7f8 3.f4c7 d4 
   <4>   +0.21    0.03    12190 1.g4f6 d7xf6 2.e5xf6 e7f8 3.f4c7 d4 
    5    +0.03    0.06    21830 1.g4f6 d7xf6 2.e5xf6 e7f8 3.f4h4 c8b7 
                                4.f1d3 
  2/5    +0.21    0.10    35887 1.f1d3 a8a7 2.f4e3 c3c5 3.e3f4 
   <5>   +0.21    0.11    43147 1.f1d3 a8a7 2.f4e3 c3c5 3.e3f4 
    6    +0.16    0.14    59802 1.f1d3 a8a7 2.f4e3 c3c5 3.f4 c6d8 
   <6>   +0.16    0.17    85137 1.f1d3 a8a7 2.f4e3 c3c5 3.f4 c6d8 
    7    +0.21    0.28   134574 1.f1d3 a8a7 2.f4e3 c3c5 3.f4 a7c7 
                                4.e1d1 c6d8 
   <7>   +0.21    0.39   211705 1.f1d3 a8a7 2.f4e3 c3c5 3.f4 a7c7 
                                4.e1d1 c6d8 
    8    -0.08    0.86   477360 1.f1d3 a5 2.Kg2 c8a6 3.d3xa6 a8xa6 
                                4.g4f6 d7xf6 5.f4xf6 e7xf6 6.e5xf6 
  2/8    +0.06    1.14   641648 1.f1g2 a8a7 2.e1e3 c3xe3 3.f4xe3 a7c7 
                                4.f4 d7c5 
   <8>   +0.06    1.47   871814 1.f1g2 a8a7 2.e1e3 c3xe3 3.f4xe3 a7c7 
                                4.f4 d7c5 
    9    +0.10    1.72  1025613 1.f1g2 a8a7 2.e1e3 c3xe3 3.f2xe3 a7c7 
                                4.d2f2 c6d8 5.g4f6 d7xf6 6.f4xf6 e7xf6 
                                7.e5xf6 
   <9>   +0.10    2.30  1462641 1.f1g2 a8a7 2.e1e3 c3xe3 3.f2xe3 a7c7 
                                4.d2f2 c6d8 5.g4f6 d7xf6 6.f4xf6 e7xf6 
                                7.e5xf6 
   10    +0.11    3.30  2113491 1.f1g2 a8a7 2.e1e2 a5 3.d2d3 a7c7 
                                4.g4f6 d7xf6 5.e5xf6 e7d7 6.d3xc3 b4xc3 
  <10>   +0.11    5.42  3630191 1.f1g2 a8a7 2.e1e2 a5 3.d2d3 a7c7 
                                4.g4f6 d7xf6 5.e5xf6 e7d7 6.d3xc3 b4xc3 
   11    +0.11    6.63  4462963 1.f1g2 a8a7 2.e1e2 a5 3.d2d3 c3xd3 
                                4.c2xd3 a7c7 5.e2d2 c8a6 6.d4 c6d8 
                                7.g4e3 
  <11>   +0.11   10.00  6999593 1.f1g2 a8a7 2.e1e2 a5 3.d2d3 c3xd3 
                                4.c2xd3 a7c7 5.e2d2 c8a6 6.d4 c6d8 
                                7.g4e3 

Computed move :   f1g2
NPS:              699959
no solution found [:-( [85/124]!
[Diagram of position #125]

Test position #125

White to move


FEN :          r6k/ppr1qpp1/4n2p/3pP3/3P2R1/3BQ2P/P5PK/5R2 w - -
Best Move :    Rf6 
Position ID:  "ECM.1405"

 depth   value    time    nodes pv
    1    -0.61    0.00        2 1.e3f2 
   <1>   -0.61    0.00       96 1.e3f2 
    2    -0.76    0.01      155 1.e3f2 a8c8 
  2/2    -0.64    0.01      311 1.e3f3 e7d7 
   <2>   -0.64    0.01      625 1.e3f3 e7d7 
  2/3    -0.78    0.01     1245 1.e3f2 a8c8 2.Kg1 
   <3>   -0.78    0.01     3711 1.e3f2 a8c8 2.Kg1 
    4    -0.82    0.03     5093 1.e3f2 a8c8 2.f2f3 e7d8 
  8/4    -0.67    0.03    11220 1.d3f5 a8c8 2.f5xe6 e7xe6 3.g4f4 
   <4>   -0.67    0.04    15791 1.d3f5 a8c8 2.f5xe6 e7xe6 3.g4f4 
    5    -0.86    0.06    18761 1.d3f5 a8c8 2.f5xe6 e7xe6 3.g4h4 
  2/5    -0.72    0.06    22727 1.e3f2 a8c8 2.f2f5 e6g5 3.g4h4 
   <5>   -0.72    0.09    37446 1.e3f2 a8c8 2.f2f5 e6g5 3.g4h4 
    6    -0.79    0.12    52753 1.e3f2 a8c8 2.g4g3 e6g5 3.g3e3 c7c1 
   <6>   -0.79    0.17    90698 1.e3f2 a8c8 2.g4g3 e6g5 3.g3e3 c7c1 
    7    -0.60    0.45   242765 1.e3f2 Kg8 2.f2f5 e6g5 3.h4 g5e6 
                                4.f5h7 Kf8 
   <7>   -0.60    0.51   292610 1.e3f2 Kg8 2.f2f5 e6g5 3.h4 g5e6 
                                4.f5h7 Kf8 
    8    -0.72    0.79   457868 1.e3f2 e7a3 2.f2f5 e6f8 3.d3b1 a3e3 
                                4.g4f4 f8g6 5.f1f3 
   <8>   -0.72    0.89   546682 1.e3f2 e7a3 2.f2f5 e6f8 3.d3b1 a3e3 
                                4.g4f4 f8g6 5.f1f3 
    9    -0.56    1.51   942768 1.e3f2 a6 2.f2f5 g6 3.f5f2 h5 
                                4.g4g3 e7h4 5.g3f3 h4xf2 6.f3xf2 
   <9>   -0.56    1.61  1039631 1.e3f2 a6 2.f2f5 g6 3.f5f2 h5 
                                4.g4g3 e7h4 5.g3f3 h4xf2 6.f3xf2 
   10    -0.69    2.75  1773406 1.e3f2 a6 2.f2f5 g6 3.f5f2 a8c8 
                                4.g4g3 e7h4 5.d3f5 Kh7 6.f5g4 
  <10>   -0.69    3.50  2410680 1.e3f2 a6 2.f2f5 g6 3.f5f2 a8c8 
                                4.g4g3 e7h4 5.d3f5 Kh7 6.f5g4 
   11    -0.58    7.96  5441501 1.e3f2 e7e8 2.f2f5 e8g8 3.f5f3 a8d8 
                                4.Kg1 g8f8 5.f3f5 e6g5 
  <11>   -0.58    8.89  6290244 1.e3f2 e7e8 2.f2f5 e8g8 3.f5f3 a8d8 
                                4.Kg1 g8f8 5.f3f5 e6g5 
  <12>   -0.58   10.00  6969487 1.e3f2 e7e8 2.f2f5 e8g8 3.f5f3 a6 
                                4.h4 b5 5.d3f5 g8d8 6.f5xe6 f7xe6 
                                7.g4f4 

Computed move :   e3f2
NPS:              696948
no solution found [:-( [85/125]!
[Diagram of position #126]

Test position #126

Black to move


FEN :          2r4r/1q1kb1p1/4p2p/3pP3/np6/3RBP2/NPP2Q1P/1K2R3 b - -
Best Move :    Nc3+ 
Position ID:  "ECM.1408"

 depth   value    time    nodes pv
    1    -0.14    0.00        2 1... c8a8 
   <1>   -0.14    0.00       96 1... c8a8 
    2    -0.21    0.00      153 1... c8a8 2.e1g1 
  3/2    +0.00    0.00      377 1... b7c7 2.e3a7 
   <2>   +0.00    0.00      536 1... b7c7 2.e3a7 
    3    -0.02    0.02     1053 1... b7c7 2.b3 a4c5 
   <3>   -0.02    0.02     1759 1... b7c7 2.b3 a4c5 
    4    +0.08    0.02     3900 1... b7c7 2.b3 a4c5 3.d3d4 
   <4>   +0.08    0.03     8264 1... b7c7 2.b3 a4c5 3.d3d4 
    5    +0.08    0.05    13345 1... b7c7 2.b3 a4c5 3.d3d4 c8a8 
   <5>   +0.08    0.06    21503 1... b7c7 2.b3 a4c5 3.d3d4 c8a8 
    6    +0.11    0.13    56127 1... b7c7 2.e1g1 g5 3.b3 a4c5 
                                4.d3d1 c7xe5 5.a2xb4 
   <6>   +0.11    0.22   106012 1... b7c7 2.e1g1 g5 3.b3 a4c5 
                                4.d3d1 c7xe5 5.a2xb4 
    7    +0.31    0.72   379867 1... b7c7 2.d3d2 Ke8 3.f2g3 g5 
                                4.e1d1 c7a5 
   <7>   +0.31    0.81   446516 1... b7c7 2.d3d2 Ke8 3.f2g3 g5 
                                4.e1d1 c7a5 
    8    +0.28    1.80  1007792 1... b7c7 2.f2d2 Ke8 3.e3f2 g6 
                                4.d2e2 c7a5 5.e1g1 
   <8>   +0.28    2.34  1397730 1... b7c7 2.f2d2 Ke8 3.e3f2 g6 
                                4.d2e2 c7a5 5.e1g1 
    9    +0.23    3.70  2211655 1... b7c7 2.f2d2 Ke8 3.d3b3 h8f8 
                                4.a2xb4 f8xf3 5.e3xh6 f3xb3 6.c2xb3 
   <9>   +0.23    4.20  2610185 1... b7c7 2.f2d2 Ke8 3.d3b3 h8f8 
                                4.a2xb4 f8xf3 5.e3xh6 f3xb3 6.c2xb3 
   10    +0.26    6.98  4364767 1... b7c7 2.f2d2 Ke8 3.d3b3 h8f8 
                                4.f4 a4c5 5.e3xc5 e7xc5 6.a2xb4 c7a5 
                                7.e1d1 
  <10>   +0.26   10.00  6719300 1... b7c7 2.f2d2 Ke8 3.d3b3 h8f8 
                                4.f4 a4c5 5.e3xc5 e7xc5 6.a2xb4 c7a5 
                                7.e1d1 

Computed move :   b7c7
NPS:              670588
no solution found [:-( [85/126]!
[Diagram of position #127]

Test position #127

White to move


FEN :          2r4r/3bk1b1/1q2pp2/3pPp1p/1p1N1P1P/1P1R1BP1/P2Q4/1K1R4 w - -
Best Move :    Nxf5+ 
Position ID:  "ECM.1409"

 depth   value    time    nodes pv
    1    -1.20    0.00        5 1.d4e2 f6xe5 
  2/1    -0.66    0.00       11 1.f3g2 f6xe5 
  3/1    -0.02    0.00      136 1.e5xf6 Kxf6 2.d3e3 
   <1>   -0.02    0.02      342 1.e5xf6 Kxf6 2.d3e3 
    2    -0.26    0.02      707 1.e5xf6 Kxf6 2.d3e3 Kf7 
  3/2    +0.12    0.02     1474 1.d4xf5 e6xf5 2.d3xd5 d7e8 
   <2>   +0.12    0.02     1850 1.d4xf5 e6xf5 2.d3xd5 d7e8 
  7/3    -0.27    0.03     5872 1.d2f2 b6c5 2.e5xf6 Kxf6 
 12/3    -0.25    0.03     7315 1.d2e3 b6c5 2.e5xf6 Kxf6 
   <3>   -0.25    0.05     8466 1.d2e3 b6c5 2.e5xf6 Kxf6 
    4    -0.27    0.05    10912 1.d2e3 b6c7 2.e5xf6 Kxf6 3.d1c1 c7xc1 
                                4.e3xc1 c8xc1 5.Kxc1 
! 3/4    +0.17    0.06    15261 1.d4xf5 
!   4    +0.43    0.06    20123 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d7 Kf8 
                                4.d7b7 
   <4>   +0.43    0.08    23652 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d7 Kf8 
                                4.d7b7 
!   5    +0.85    0.09    30402 1.d4xf5 
!   5    +0.85    0.11    37356 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d7 Kf8 
                                4.d7b7 b6c5 5.e6 
   <5>   +0.85    0.13    48537 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d7 Kf8 
                                4.d7b7 b6c5 5.e6 
    6    +0.75    0.19    85055 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d7 Kf8 
                                4.d7d6 b6c5 5.e5xf6 g7h6 
   <6>   +0.75    0.25   119610 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d7 Kf8 
                                4.d7d6 b6c5 5.e5xf6 g7h6 
!   7    +1.17    0.38   201391 1.d4xf5 
!   7    +1.92    0.48   258883 1.d4xf5 
!   7    +2.40    0.72   415202 1.d4xf5 e6xf5 2.d3xd5 d7c6 3.d5d7 Ke8 
                                4.d2d6 c6e4 5.f3xe4 b6xd6 6.d1xd6 f5xe4 
                                7.d7xg7 f6xe5 8.f4xe5 
   <7>   +2.40    0.80   470771 1.d4xf5 e6xf5 2.d3xd5 d7c6 3.d5d7 Ke8 
                                4.d2d6 c6e4 5.f3xe4 b6xd6 6.d1xd6 f5xe4 
                                7.d7xg7 f6xe5 8.f4xe5 
    8    +2.18    1.17   764715 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 Kh7 
   <8>   +2.18    1.30   867780 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 Kh7 
!   9    +2.60    2.08  1344064 1.d4xf5 
!   9    +2.72    2.98  1998829 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 c5c3 8.f6xf5 Kh6 
   <9>   +2.72    3.08  2085121 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 c5c3 8.f6xf5 Kh6 
   10    +2.75    5.78  4110308 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 c5c3 8.f6xf5 e8f7 9.b2xc3 b4xc3 
  <10>   +2.75    6.41  4639485 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 c5c3 8.f6xf5 e8f7 9.b2xc3 b4xc3 
  <11>   +2.75   10.00  7810263 1.d4xf5 e6xf5 2.d3xd5 d7e8 3.d5d6 b6c5 
                                4.e5xf6 g7xf6 5.d2e2 Kf8 6.d6xf6 Kg7 
                                7.e2b2 c5c3 8.f6xf5 h8f8 9.f5g5 e8g6 
                                10.f3e4 f8f6 

Computed move :   d4xf5
NPS:              779467
solution found [86/127], time: 0.06, points: 25, nodes: 15261!
[Diagram of position #128]

Test position #128

White to move


FEN :          1rb3k1/2r2pbp/p2q1npn/P1pPp1N1/2B1P3/2P1B1NP/5QP1/3R1RK1 w - -
Best Move :    Ne6 
Position ID:  "ECM.1410"

 depth   value    time    nodes pv
    1    +1.12    0.00        2 1.h4 
  2/1    +1.27    0.00        4 1.c4e2 
   <1>   +1.27    0.00       56 1.c4e2 
  3/2    +1.26    0.00      185 1.d1d2 c8b7 
   <2>   +1.26    0.00      338 1.d1d2 c8b7 
    3    +1.27    0.00      662 1.d1d2 c8b7 2.c4e2 
   <3>   +1.27    0.00     1375 1.d1d2 c8b7 2.c4e2 
    4    +1.26    0.02     2945 1.d1d2 c8d7 2.c4e2 d7a4 
   <4>   +1.26    0.02     5749 1.d1d2 c8d7 2.c4e2 d7a4 
    5    +1.19    0.03     8358 1.d1d2 c8d7 2.c4e2 d7a4 3.c4 
   <5>   +1.19    0.05    16015 1.d1d2 c8d7 2.c4e2 d7a4 3.c4 
    6    +1.18    0.06    25396 1.d1d2 c8d7 2.c4e2 d7a4 3.c4 a4b3 
                                4.d2b2 
 23/6    +1.31    0.19    82291 1.g5f3 Kh8 2.f3d2 h6g8 3.d2f3 g8h6 
                                4.f3d2 h6g8 5.d2f3 g8h6 
   <6>   +1.31    0.20    92033 1.g5f3 Kh8 2.f3d2 h6g8 3.d2f3 g8h6 
                                4.f3d2 h6g8 5.d2f3 g8h6 6.f3d2 h6g8 
                                7.d2f3 g8h6 8.f3d2 
    7    +1.48    0.38   160727 1.g5f3 f6d7 2.f2d2 d6f8 3.d6 c7a7 
                                4.f3h2 Kh8 
  3/7    +1.56    0.45   199973 1.g5e6 f7xe6 2.d5xe6 d6e7 3.e3xh6 g7xh6 
                                4.f2xf6 h6e3 5.Kh2 e7xf6 6.f1xf6 
   <7>   +1.56    0.50   232461 1.g5e6 f7xe6 2.d5xe6 d6e7 3.e3xh6 g7xh6 
                                4.f2xf6 h6e3 5.Kh2 e7xf6 6.f1xf6 
    8    +1.94    0.67   319800 1.g5e6 h6g4 2.h3xg4 f6xg4 3.e3xc5 d6d7 
                                4.f2c2 f7xe6 5.d5xe6 
   <8>   +1.94    0.72   359598 1.g5e6 h6g4 2.h3xg4 f6xg4 3.e3xc5 d6d7 
                                4.f2c2 f7xe6 5.d5xe6 
    9    +1.99    0.98   507318 1.g5e6 h6g4 2.h3xg4 f6xg4 3.e3xc5 d6d7 
                                4.f2e2 f7xe6 5.d5xe6 d7e8 
   <9>   +1.99    1.09   591836 1.g5e6 h6g4 2.h3xg4 f6xg4 3.e3xc5 d6d7 
                                4.f2e2 f7xe6 5.d5xe6 d7e8 
!  10    +2.41    1.59   852743 1.g5e6 
!  10    +3.16    2.14  1142975 1.g5e6 
!  10    +3.84    3.70  2060020 1.g5e6 f6e8 2.e6xc7 e8xc7 3.e3xh6 g7xh6 
                                4.f2xf7 Kh8 5.f1f6 d6d8 6.f6b6 h6e3 
                                7.Kh1 
  <10>   +3.84    3.80  2137807 1.g5e6 f6e8 2.e6xc7 e8xc7 3.e3xh6 g7xh6 
                                4.f2xf7 Kh8 5.f1f6 d6d8 6.f6b6 h6e3 
                                7.Kh1 
!  11    +4.26    5.50  3158462 1.g5e6 
!  11    +4.11    6.72  3967463 1.g5e6 c8xe6 2.d5xe6 d6e7 3.e3xh6 f7xe6 
                                4.h6g5 b8f8 5.c4xa6 c7a7 6.f2e2 e7f7 
  <11>   +4.11    6.92  4162522 1.g5e6 c8xe6 2.d5xe6 d6e7 3.e3xh6 f7xe6 
                                4.h6g5 b8f8 5.c4xa6 c7a7 6.f2e2 e7f7 
  <12>   +4.11   10.00  6138210 1.g5e6 c8xe6 2.d5xe6 d6e7 3.e3g5 Kh8 
                                4.g5xh6 g7xh6 5.f2xf6 e7xf6 6.f1xf6 f7xe6 
                                7.f6xe6 h6f4 8.e6b6 

Computed move :   g5e6
NPS:              612595
solution found [87/128], time: 0.45, points: 23, nodes: 232461!
[Diagram of position #129]

Test position #129

White to move


FEN :          r1bqn1r1/p2k1pp1/1p5p/n1pPpN2/2P1P3/P1PBB2P/4Q1P1/R4RK1 w - -
Best Move :    Nxh6 
Position ID:  "ECM.1421"

 depth   value    time    nodes pv
    1    +2.11    0.00        2 1.a1d1 
   <1>   +2.11    0.00       52 1.a1d1 
 15/2    +1.92    0.00      243 1.e2h5 g8f8 
   <2>   +1.92    0.02      407 1.e2h5 g8f8 
    3    +1.92    0.02      677 1.e2h5 g8f8 2.a1b1 
   <3>   +1.92    0.02     2626 1.e2h5 g8f8 2.a1b1 
  6/4    +1.63    0.03     5677 1.e2g4 Kc7 2.e3xh6 c8xf5 3.f1xf5 
   <4>   +1.63    0.05    10995 1.e2g4 Kc7 2.e3xh6 c8xf5 3.f1xf5 
    5    +1.55    0.05    15482 1.e2g4 Kc7 2.g4g3 d8f6 3.f5xh6 
 35/5    +1.74    0.11    43634 1.e2f2 g8f8 2.f2g3 a5b3 3.a1d1 
   <5>   +1.74    0.14    54106 1.e2f2 g8f8 2.f2g3 a5b3 3.a1d1 
    6    +1.71    0.17    72820 1.e2f2 f6 2.f2g3 Kc7 3.f5xh6 g8f8 
   <6>   +1.71    0.30   145017 1.e2f2 f6 2.f2g3 Kc7 3.f5xh6 g8f8 
    7    +1.48    0.36   180801 1.e2f2 f6 2.f2g3 Kc7 3.f5xh6 g8f8 
                                4.h6f5 c8xf5 5.f1xf5 
   <7>   +1.48    0.66   390563 1.e2f2 f6 2.f2g3 Kc7 3.f5xh6 g8f8 
                                4.h6f5 c8xf5 5.f1xf5 
    8    +1.48    0.78   464314 1.e2f2 f6 2.f2g3 Kc7 3.f5xh6 g8f8 
                                4.h6f5 c8xf5 5.f1xf5 
! 4/8    +1.90    0.88   541819 1.f5xh6 
!   8    +2.65    0.92   561541 1.f5xh6 
!   8    +4.03    1.19   740284 1.f5xh6 g7xh6 2.f1xf7 Kd6 3.e2h5 e8f6 
                                4.h5xh6 g8g3 5.f7xf6 Kc7 6.f6f8 d8e7 
   <8>   +4.03    1.25   822198 1.f5xh6 g7xh6 2.f1xf7 Kd6 3.e2h5 e8f6 
                                4.h5xh6 g8g3 5.f7xf6 Kc7 6.f6f8 d8e7 
    9    +3.78    1.89  1311120 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.e2f3 Ke8 
                                4.f3g3 f6d7 5.g3g4 
   <9>   +3.78    2.38  1778646 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.e2f3 Ke8 
                                4.f3g3 f6d7 5.g3g4 
   10    +3.71    2.92  2159554 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.f1f5 Kd6 
                                4.f5g5 f6h7 5.g5h5 h7f6 6.h5g5 f6h7 
                                7.g5h5 h7f6 8.h5g5 f6h7 
  <10>   +3.71    3.94  3248642 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.f1f5 Kd6 
                                4.f5g5 f6h7 5.g5h5 h7f6 6.h5g5 f6h7 
                                7.g5h5 h7f6 8.h5g5 f6h7 9.g5h5 h7f6 
                                10.h5g5 f6h7 11.g5h5 
   11    +3.74    5.45  4254151 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.e2f2 Ke8 
                                4.f2g3 f6d7 5.f1f5 a5b7 6.a1d1 b7d6 
  <11>   +3.74    7.67  6743231 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.e2f2 Ke8 
                                4.f2g3 f6d7 5.f1f5 a5b7 6.a1d1 b7d6 
  <12>   +3.74   10.00  8312687 1.f5xh6 e8f6 2.h6xg8 d8xg8 3.e2f2 Ke8 
                                4.a1d1 c8a6 5.f2e2 Kf8 6.f1f5 a8e8 
                                7.e3g5 a6c8 

Computed move :   f5xh6
NPS:              829609
solution found [88/129], time: 0.88, points: 20, nodes: 541819!
[Diagram of position #130]

Test position #130

White to move


FEN :          r4rk1/p1p2pp1/bp1p1q1p/n1nPpN2/2P1P2P/2PB4/P2BQPP1/R3K2R w KQ -
Best Move :    Bg5 
Position ID:  "ECM.1423"

 depth   value    time    nodes pv
    1    -1.26    0.00        4 1.d3c2 a5xc4 
  4/1    -0.54    0.00       20 1.f5e3 c5xd3 2.e2xd3 
   <1>   -0.54    0.00      247 1.f5e3 c5xd3 2.e2xd3 
    2    -0.54    0.00      308 1.f5e3 c5xd3 
   <2>   -0.54    0.01      607 1.f5e3 c5xd3 
    3    -0.68    0.01      986 1.f5e3 c5xd3 2.e2xd3 f6e7 
   <3>   -0.68    0.01     2131 1.f5e3 c5xd3 2.e2xd3 f6e7 
    4    -0.56    0.01     3648 1.f5e3 c5xd3 2.e2xd3 f6e7 3.O-O-O 
   <4>   -0.56    0.03     8198 1.f5e3 c5xd3 2.e2xd3 f6e7 3.O-O-O 
    5    -0.58    0.04    13390 1.f5e3 c5xd3 2.e2xd3 a5b7 3.e3f5 b7c5 
   <5>   -0.58    0.08    22269 1.f5e3 c5xd3 2.e2xd3 a5b7 3.e3f5 b7c5 
    6    -0.67    0.11    40374 1.f5e3 f6g6 2.h5 g6h7 3.f3 c5xd3 
                                4.e2xd3 
   <6>   -0.67    0.15    63406 1.f5e3 f6g6 2.h5 g6h7 3.f3 c5xd3 
                                4.e2xd3 
    7    -0.77    0.22    87539 1.f5e3 f6g6 2.h5 g6h7 3.f3 c6 
                                4.d3c2 c6xd5 5.e3xd5 a5xc4 
   <7>   -0.77    0.34   160751 1.f5e3 f6g6 2.h5 g6h7 3.f3 c6 
                                4.d3c2 c6xd5 5.e3xd5 a5xc4 
    8    -0.61    0.79   417828 1.f5e3 c5xd3 2.e2xd3 a5b7 3.d3c2 b7c5 
                                4.f3 b5 5.c4xb5 a6xb5 
   <8>   -0.61    0.86   456484 1.f5e3 c5xd3 2.e2xd3 a5b7 3.d3c2 b7c5 
                                4.f3 b5 5.c4xb5 a6xb5 
    9    -0.50    1.70   997820 1.f5e3 c5xd3 2.e2xd3 a5b7 3.f3 f6e7 
                                4.d3c2 b7c5 5.O-O-O b5 6.e3f5 
   <9>   -0.50    1.83  1085584 1.f5e3 c5xd3 2.e2xd3 a5b7 3.f3 f6e7 
                                4.d3c2 b7c5 5.O-O-O b5 6.e3f5 
   10    -0.74    3.08  1816908 1.f5e3 c5xd3 2.e2xd3 c6 3.d5xc6 a5xc6 
                                4.e3d5 f6d8 5.O-O-O c6a5 6.g4 a5xc4 
  <10>   -0.74    3.67  2264126 1.f5e3 c5xd3 2.e2xd3 c6 3.d5xc6 a5xc6 
                                4.e3d5 f6d8 5.O-O-O c6a5 6.g4 a5xc4 
   11    -0.88    5.01  3076666 1.f5e3 c5xd3 2.e2xd3 c6 3.d5xc6 a5xc6 
                                4.e3d5 f6d8 5.d5b4 c6xb4 6.c3xb4 a8c8 
                                7.b5 a6b7 
!2/11    -0.32    6.70  4340663 1.d2g5 
!  11    +0.43    7.03  4620243 1.d2g5 
!  11    +3.63    8.50  5607948 1.d2g5 
  <11>   +3.63   10.00  7038031 

Computed move :   d2g5
NPS:              703803
solution found [89/130], time: 6.70, points: 12, nodes: 4340663!
© Steffen A. Jakob