[ Test Suite arasan | Hossa ]

Positions 31 - 40


[Diagram of position #31]

Test position #31

Black to move


FEN :          rn2rnk1/5ppp/2p4P/ppb5/5P2/2N1P2R/PP1BB1P1/R2K4 b - -
Best Move :    g6 
Position ID:  "arasan4.31"

 depth   value    time    nodes pv
    1    -0.79    0.00        4 1... f5 2.h6xg7 Kxg7 
  3/1    -0.57    0.00       18 1... b8d7 2.h6xg7 Kxg7 
  6/1    -0.07    0.00       26 1... g6 
   <1>   -0.07    0.00       92 1... g6 
    2    -0.12    0.00      135 1... g6 2.e4 
   <2>   -0.12    0.00      273 1... g6 2.e4 
    3    -0.13    0.00      587 1... g6 2.a4 b4 
   <3>   -0.13    0.00     1523 1... g6 2.a4 b4 
    4    -0.07    0.02     3338 1... g6 2.a1c1 b8d7 3.e4 
   <4>   -0.07    0.02     5334 1... g6 2.a1c1 b8d7 3.e4 
    5    -0.04    0.03     8168 1... g6 2.a1c1 b8d7 3.a4 b5xa4 
                                4.c3xa4 
   <5>   -0.04    0.03    11763 1... g6 2.a1c1 b8d7 3.a4 b5xa4 
                                4.c3xa4 
    6    -0.04    0.08    33402 1... g6 2.e2f3 a8a7 3.c3e4 f8d7 
                                4.b3 
   <6>   -0.04    0.10    39349 1... g6 2.e2f3 a8a7 3.c3e4 f8d7 
                                4.b3 
    7    +0.01    0.14    69197 1... g6 2.e2f3 a8a7 3.c3e4 f8d7 
                                4.a4 c5b4 5.a4xb5 b4xd2 6.e4xd2 c6xb5 
   <7>   +0.01    0.19    86557 1... g6 2.e2f3 a8a7 3.c3e4 f8d7 
                                4.a4 c5b4 5.a4xb5 b4xd2 6.e4xd2 c6xb5 
    8    +0.01    0.38   194201 1... g6 2.e2f3 a8a7 3.c3e4 f8d7 
                                4.a4 c5b4 5.a4xb5 b4xd2 6.e4xd2 
   <8>   +0.01    0.39   201236 1... g6 2.e2f3 a8a7 3.c3e4 f8d7 
                                4.a4 c5b4 5.a4xb5 b4xd2 6.e4xd2 
    9    +0.00    0.96   527233 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.f3e2 a6a8 5.e2f3 a8a6 6.f3e2 a6a8 
                                7.e2f3 
   <9>   +0.00    1.02   554602 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.f3e2 a6a8 5.e2f3 a8a6 6.f3e2 a6a8 
                                7.e2f3 a8a6 8.f3e2 a6a8 9.e2f3 a8a6 
   10    +0.01    1.60   902396 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.f3e2 a6a7 5.e2d3 e8d8 6.c3e4 f8e6 
  <10>   +0.01    1.67   941588 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.f3e2 a6a7 5.e2d3 e8d8 6.c3e4 f8e6 
   11    +0.01    3.21  1898546 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.g4 f6 5.c3e4 c5b4 6.h3h2 b4xd2 
                                7.h2xd2 e8d8 
  <11>   +0.01    3.41  2012520 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.g4 f6 5.c3e4 c5b4 6.h3h2 b4xd2 
                                7.h2xd2 e8d8 
   12    -0.04    6.47  3906570 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.g4 c5xe3 5.f3xc6 a6xc6 6.h3xe3 e8xe3 
                                7.d2xe3 d7f6 8.g5 
  <12>   -0.04    6.91  4169113 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.g4 c5xe3 5.f3xc6 a6xc6 6.h3xe3 e8xe3 
                                7.d2xe3 d7f6 8.g5 
   13    +0.02   18.27 10926128 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.g4 c5xe3 5.f3xc6 a6xc6 6.h3xe3 e8xe3 
                                7.d2xe3 b4 8.c3e4 c6xc1 9.Kxc1 f8e6 
  <13>   +0.02   19.05 11393611 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.g4 c5xe3 5.f3xc6 a6xc6 6.h3xe3 e8xe3 
                                7.d2xe3 b4 8.c3e4 c6xc1 9.Kxc1 f8e6 
   14    -0.04   42.66 25326248 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.Ke2 f5 5.Kf1 f8e6 6.c1d1 d7f6 
                                7.b3 b4 8.c3a4 f6d5 9.a4xc5 e6xc5 
  <14>   -0.04   44.56 26454575 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.Ke2 f5 5.Kf1 f8e6 6.c1d1 d7f6 
                                7.b3 b4 8.c3a4 f6d5 9.a4xc5 e6xc5 
  <15>   -0.04    1:00 35522601 1... g6 2.a1c1 b8d7 3.e2f3 a8a6 
                                4.Ke2 c5e7 5.g4 f8e6 6.c3e4 d7c5 
                                7.d2c3 c5xe4 8.f3xe4 e6c5 9.e4c2 e8d8 

Computed move :   g6
NPS:              591846
solution found [29/31], time: 0.00, points: 25, nodes: 92!
[Diagram of position #32]

Test position #32

White to move


FEN :          r1b2rk1/pp3pp1/4p2p/2ppP1b1/3Pq3/2P1PNP1/PP2Q2P/R3KB1R w KQ -
Best Move :    Nxg5 
Position ID:  "arasan4.32"

 depth   value    time    nodes pv
    1    -1.64    0.00        7 1.f3xg5 e4xh1 
  5/1    -1.09    0.00       53 1.f1h3 g5xe3 
 22/1    -0.94    0.00      113 1.Kf2 
   <1>   -0.94    0.00      139 1.Kf2 
    2    -0.87    0.00      211 1.Kf2 b6 
   <2>   -0.87    0.02      559 1.Kf2 b6 
    3    -0.86    0.02     1000 1.Kf2 c8d7 2.d4xc5 
   <3>   -0.86    0.02     2133 1.Kf2 c8d7 2.d4xc5 
    4    -0.72    0.02     4378 1.Kf2 c8d7 2.f1h3 g5e7 
   <4>   -0.72    0.03     6296 1.Kf2 c8d7 2.f1h3 g5e7 
    5    -0.63    0.05    10782 1.Kf2 c8d7 2.f1h3 g5e7 3.Kg2 c5xd4 
                                4.c3xd4 
!15/5    -0.30    0.06    17966 1.f1g2 
!   5    +0.10    0.06    21188 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 
   <5>   +0.10    0.06    22499 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 
    6    -0.19    0.08    31981 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 c8d7 5.h4 
   <6>   -0.19    0.11    41929 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 c8d7 5.h4 
    7    -0.19    0.14    55332 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 c8d7 5.c4 f8e8 6.c4xd5 e6xd5 
   <7>   -0.19    0.17    71915 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 c8d7 5.c4 f8e8 6.c4xd5 e6xd5 
    8    -0.11    0.22    98563 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 c8d7 5.c4 f8e8 6.h4 
   <8>   -0.11    0.25   113652 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 c8d7 5.c4 f8e8 6.h4 
    9    -0.19    0.33   164580 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 a5 5.h4 g5xh4 6.h1xh4 a8a6 
   <9>   -0.19    0.39   199093 1.f1g2 e4xe3 2.f3xg5 e3xe2 3.Kxe2 h6xg5 
                                4.d4xc5 a5 5.h4 g5xh4 6.h1xh4 a8a6 
   10    -0.24    0.67   357466 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.O-O c8d7 
                                4.d4xc5 g5e7 5.b4 d7a4 6.c4 d5xc4 
                                7.e2xc4 
  <10>   -0.24    0.98   550361 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.O-O c8d7 
                                4.d4xc5 g5e7 5.b4 d7a4 6.c4 d5xc4 
                                7.e2xc4 
   11    -0.18    1.58   909885 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 g5e7 
                                4.b4 a5 5.O-O c8d7 6.f1f4 a8c8 
  <11>   -0.18    2.05  1187647 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 g5e7 
                                4.b4 a5 5.O-O c8d7 6.f1f4 a8c8 
   12    -0.17    2.69  1615207 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 g5e7 
                                4.b4 a5 5.O-O f8d8 6.e2f2 a5xb4 
                                7.c3xb4 f5 
  <12>   -0.17    3.36  2072496 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 g5e7 
                                4.b4 a5 5.O-O f8d8 6.e2f2 a5xb4 
                                7.c3xb4 f5 
   13    -0.27    4.97  3036069 1.f1g2 e4xe3 2.f3xg5 e3xg5 3.d4xc5 g5e7 
                                4.b4 a5 5.O-O c8d7 6.f1f4 a5xb4 
                                7.c3xb4 f8d8 8.a1f1 f5 
 2/13    -0.12   47.97 32954094 1.Kf2 f6 2.h4 f6xe5 3.h4xg5 h6xg5 
                                4.d4xc5 g4 5.f1g2 g4xf3 6.g2xf3 c8d7 
                                7.h1h4 d7b5 8.h4xe4 b5xe2 
  <13>   -0.12   49.42 33884054 1.Kf2 f6 2.h4 f6xe5 3.h4xg5 h6xg5 
                                4.d4xc5 g4 5.f1g2 g4xf3 6.g2xf3 c8d7 
                                7.h1h4 d7b5 8.h4xe4 b5xe2 
  <14>   -0.12    1:00 40055677 1.Kf2 f6 2.h4 f6xe5 3.h4xg5 h6xg5 
                                4.f1h3 g4 5.h3xg4 e4xg4 6.h1h4 g4f5 
                                7.g4 f5e4 8.a1h1 g5 

Computed move :   Kf2
NPS:              667372
no solution found [:-( [29/32]!
[Diagram of position #33]

Test position #33

White to move


FEN :          Qn3rk1/p5p1/1pnqp3/6p1/6P1/2P5/P4P1P/R1B2RK1 w - -
Best Move :    Qb7 
Position ID:  "arasan4.33"

 depth   value    time    nodes pv
    1    +1.94    0.00        2 1.c1xg5 
   <1>   +1.94    0.00       26 1.c1xg5 
? 2/2    +0.83    0.00      316 1.a8b7 d6d5 
   <2>   +0.83    0.02      482 1.a8b7 d6d5 
    3    +0.97    0.02      802 1.a8b7 d6d5 2.c1a3 
   <3>   +0.97    0.02     1473 1.a8b7 d6d5 2.c1a3 
    4    +0.86    0.02     2677 1.a8b7 d6d5 2.c1a3 f8f7 
   <4>   +0.86    0.02     5015 1.a8b7 d6d5 2.c1a3 f8f7 
  2/5    +0.46    0.03    13201 1.c1xg5 f8f7 2.h4 d6c5 3.a1e1 
   <5>   +0.46    0.05    19438 1.c1xg5 f8f7 2.h4 d6c5 3.a1e1 
?   6    +0.35    0.11    61491 1.c1xg5 b8a6 2.g5f4 d6xf4 3.a8xc6 f4xg4 
                                4.c6g2 g4e2 
   <6>   +0.35    0.11    61512 1.c1xg5 b8a6 2.g5f4 d6xf4 3.a8xc6 f4xg4 
                                4.c6g2 g4e2 
    7    +0.53    0.14    82132 1.c1xg5 b8a6 2.g5f4 d6xf4 3.a8xc6 f4xg4 
                                4.c6g2 g4f5 5.g2b7 f5g4 6.b7g2 g4f5 
                                7.g2b7 f5g4 
   <7>   +0.53    0.17   102407 1.c1xg5 b8a6 2.g5f4 d6xf4 3.a8xc6 f4xg4 
                                4.c6g2 g4f5 5.g2b7 f5g4 6.b7g2 g4f5 
                                7.g2b7 f5g4 
? 2/8    -0.12    0.41   269144 1.c1b2 f8f7 2.a1d1 d6e7 3.f3 f7f8 
                                4.d1d2 e5 
   <8>   -0.12    0.50   338399 1.c1b2 f8f7 2.a1d1 d6e7 3.f3 f7f8 
                                4.d1d2 e5 
    9    -0.43    0.91   634801 1.c1b2 d6d3 2.b2a3 f8f4 3.f3 d3xc3 
                                4.a3e7 f4xf3 5.f1xf3 c3xa1 6.f3f1 a1xa2 
                                7.e7xg5 
  3/9    -0.12    1.17   883551 1.a8b7 d6d8 2.Kg2 f8f7 3.b7a8 Kf8 
                                4.f1d1 d8e7 5.c1e3 
   <9>   -0.12    1.36  1018228 1.a8b7 d6d8 2.Kg2 f8f7 3.b7a8 Kf8 
                                4.f1d1 d8e7 5.c1e3 
   10    -0.12    2.80  2070264 1.a8b7 d6d8 2.f3 f8f7 3.b7a8 e5 
                                4.c1b2 d8d3 5.a1e1 f7xf3 6.a8b7 
  <10>   -0.12    3.08  2285505 1.a8b7 d6d8 2.f3 f8f7 3.b7a8 e5 
                                4.c1b2 d8d3 5.a1e1 f7xf3 6.a8b7 
   11    -0.12    5.72  4239914 1.a8b7 d6d8 2.c1e3 f8f7 3.b7a8 d8d3 
                                4.a1c1 d3g6 5.c1d1 g6c2 6.e3c1 f7xf2 
                                7.f1xf2 c2xd1 8.f2f1 
  <11>   -0.12    6.53  4844013 1.a8b7 d6d8 2.c1e3 f8f7 3.b7a8 d8d3 
                                4.a1c1 d3g6 5.c1d1 g6c2 6.e3c1 f7xf2 
                                7.f1xf2 c2xd1 8.f2f1 
   12    -0.28   13.63 10315576 1.a8b7 c6e5 2.f4 d6c5 3.Kg2 e5xg4 
                                4.b7f3 c5f5 5.f3e2 g5xf4 6.c1xf4 b8d7 
                                7.f4e5 f5h5 8.f1xf8 d7xf8 
  <12>   -0.28   23.61 18799893 1.a8b7 c6e5 2.f4 d6c5 3.Kg2 e5xg4 
                                4.b7f3 c5f5 5.f3e2 g5xf4 6.c1xf4 b8d7 
                                7.f4e5 f5h5 8.f1xf8 d7xf8 
   13    -0.22   40.17 31625998 1.a8b7 c6e5 2.f4 d6c5 3.Kg2 e5c6 
                                4.f4xg5 c5d5 5.Kg1 f8xf1 6.Kxf1 d5h1 
                                7.Kf2 h1xh2 8.Kf1 h2h3 9.Kf2 h3h4 
                                10.Kf1 h4xg4 11.b7c8 Kh7 12.Ke1 
  <13>   -0.22   45.13 35323680 1.a8b7 c6e5 2.f4 d6c5 3.Kg2 e5c6 
                                4.f4xg5 c5d5 5.Kg1 f8xf1 6.Kxf1 d5h1 
                                7.Kf2 h1xh2 8.Kf1 h2h3 9.Kf2 h3h4 
                                10.Kf1 h4xg4 11.b7c8 Kh7 12.Ke1 
  <14>   -0.22    1:00 45989145 1.a8b7 c6e5 2.f4 d6c5 3.Kg2 e5c6 
                                4.f5 c5d5 5.Kg1 d5c4 6.b7c7 e5 
                                7.c1a3 c4xg4 8.Kh1 g4e4 9.Kg1 f8d8 
                                10.a1e1 e4g4 

Computed move :   a8b7
NPS:              766230
solution found [30/33], time: 1.17, points: 25, nodes: 1018228!
[Diagram of position #34]

Test position #34

Black to move


FEN :          2r3k1/ppr2p1p/b5nP/3NPpN1/P2P3R/1P6/5PP1/1RqQ2K1 b - -
Best Move :    Qxg5 
Position ID:  "arasan4.34"

 depth   value    time    nodes pv
    1    -0.16    0.00       12 1... c1xg5 
  3/1    +0.59    0.00       71 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
   <1>   +0.59    0.00      111 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
    2    +0.59    0.00      361 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
   <2>   +0.59    0.00      698 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
?   3    +0.35    0.00     3744 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
                                4.d5 
   <3>   +0.35    0.02     3785 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
                                4.d5 
    4    +0.60    0.02     8303 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
                                4.d5 h4g6 
   <4>   +0.60    0.03    10579 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
                                4.d5 h4g6 
    5    +0.64    0.08    37796 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.d1xc1 c8xc1 5.Kh2 g6xh4 6.g5xh7 Ke7 
                                7.h7g5 
   <5>   +0.64    0.10    43021 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.d1xc1 c8xc1 5.Kh2 g6xh4 6.g5xh7 Ke7 
                                7.h7g5 
    6    +0.52    0.14    73455 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.d1xc1 c8xc1 5.Kh2 g6xh4 6.g5xh7 Ke7 
                                7.h7g5 c1d1 8.d5 
   <6>   +0.52    0.17    94308 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.d1xc1 c8xc1 5.Kh2 g6xh4 6.g5xh7 Ke7 
                                7.h7g5 c1d1 8.d5 
    7    +0.46    0.30   159878 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.g5xh7 Ke7 5.d1xc1 c8xc1 6.Kh2 g6xh4 
                                7.h7g5 h4g6 8.h7 g6h8 9.d5 
   <7>   +0.46    0.42   241096 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.g5xh7 Ke7 5.d1xc1 c8xc1 6.Kh2 g6xh4 
                                7.h7g5 h4g6 8.h7 g6h8 9.d5 
    8    +0.39    0.69   394370 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.g5xh7 Ke7 5.d1xc1 c8xc1 6.Kh2 g6xh4 
                                7.h7g5 h4g6 8.h7 c1c2 9.f6d5 Ke8 
                                10.d5f4 
   <8>   +0.39    0.77   446941 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.g5xh7 Ke7 5.d1xc1 c8xc1 6.Kh2 g6xh4 
                                7.h7g5 h4g6 8.h7 c1c2 9.f6d5 Ke8 
                                10.d5f4 
    9    +0.33    1.44   808063 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.g5xh7 Ke7 5.d1xc1 c8xc1 6.Kh2 g6xh4 
                                7.f6d5 Kd8 8.h7g5 Ke8 9.Kg3 h4g6 
                                10.d5f6 Ke7 11.h7 
   <9>   +0.33    1.78  1032679 1... c1xd1 2.b1xd1 c7c1 3.d5f6 Kf8 
                                4.g5xh7 Ke7 5.d1xc1 c8xc1 6.Kh2 g6xh4 
                                7.f6d5 Kd8 8.h7g5 Ke8 9.Kg3 h4g6 
                                10.d5f6 Ke7 11.h7 
?  10    +0.10    5.03  2874156 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
                                4.d5 h4g6 5.d6 c7c8 6.d1d5 g6f4 
                                7.d5d1 a6d3 
  <10>   +0.10    5.05  2874197 1... c1xd1 2.b1xd1 g6xh4 3.d5xc7 c8xc7 
                                4.d5 h4g6 5.d6 c7c8 6.d1d5 g6f4 
                                7.d5d1 a6d3 
?  11    -0.41   14.25  7939517 1... c1xd1 2.b1xd1 g6xh4 3.d5f6 Kh8 
                                4.d5 c8f8 5.d6 c7c8 6.d7 c8d8 
                                7.d1d5 h4g6 8.g5xh7 f8g8 9.f6xg8 Kxh7 
  <11>   -0.41   15.74  9050803 1... c1xd1 2.b1xd1 g6xh4 3.d5f6 Kh8 
                                4.d5 c8f8 5.d6 c7c8 6.d7 c8d8 
                                7.d1d5 h4g6 8.g5xh7 f8g8 9.f6xg8 Kxh7 
   12    -0.48   24.61 13899567 1... c1xd1 2.b1xd1 g6xh4 3.d5f6 Kh8 
                                4.d5 c8f8 5.d6 c7c8 6.f6d7 Kg8 
                                7.b4 a6e2 8.d1d2 e2c4 9.d7xf8 c8xf8 
                                10.Kh2 
!7/12    +0.01   28.91 17087043 1... c1xg5 
!  12    +0.76   30.55 18295408 1... c1xg5 
!  12    +0.41   31.91 19178342 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.f6xh5 f4xh5 9.d5 
  <12>   +0.41   32.64 19702899 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.f6xh5 f4xh5 9.d5 
   13    +0.41   34.27 20912105 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.f6xh5 f4xh5 9.d5 c8c3 
                                10.d6 c3xb3 
  <13>   +0.41   38.33 23715987 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.f6xh5 f4xh5 9.d5 c8c3 
                                10.d6 c3xb3 
   14    +0.41   40.83 25606981 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.f6xh5 f4xh5 9.d5 c8c3 
                                10.d6 c3xb3 
  <14>   +0.41   48.75 31040552 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.f6xh5 f4xh5 9.d5 c8c3 
                                10.d6 c3xb3 
   15    +0.27   53.81 34799096 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.g3 f4h3 9.Kg2 h5g4 
                                10.d5 c8c2 11.e1f1 
  <15>   +0.27    1:00 37995218 1... c1xg5 2.h4h5 g5c1 3.d5xc7 c1xd1 
                                4.b1xd1 a6e2 5.d1e1 e2xh5 6.c7d5 Kh8 
                                7.d5f6 g6f4 8.g3 f4h3 9.Kg2 h5g4 
                                10.d5 c8c2 11.e1f1 

Computed move :   c1xg5
NPS:              633042
solution found [31/34], time: 28.91, points: 14, nodes: 17087043!
[Diagram of position #35]

Test position #35

White to move


FEN :          r1b2r2/pp3p1p/1q1p3k/2p1n2N/3N4/4P1P1/P1PP2BP/R4QK1 w - -
Best Move :    Qf6+ 
Position ID:  "arasan4.35"

 depth   value    time    nodes pv
    1    -2.87    0.00        7 1.h5f6 c5xd4 
 39/1    -0.48    0.02      306 1.a1b1 
   <1>   -0.48    0.02      316 1.a1b1 
    2    -0.74    0.02      373 1.a1b1 b6c7 
   <2>   -0.74    0.02     1652 1.a1b1 b6c7 
?   3    -2.42    0.03    17304 1.a1b1 b6d8 2.g2xb7 c8xb7 3.b1xb7 Kxh5 
   <3>   -2.42    0.05    25093 1.a1b1 b6d8 2.g2xb7 c8xb7 3.b1xb7 Kxh5 
    4    -2.42    0.05    25964 1.a1b1 b6d8 2.g2xb7 c8xb7 
 23/4    -2.31    0.08    53083 1.h5f6 c5xd4 2.f1f4 Kg7 3.e3xd4 Kh8 
!31/4    -2.00    0.10    56576 1.g4 
!   4    -1.91    0.10    58780 1.g4 c8xg4 2.a1b1 b6d8 
   <4>   -1.91    0.10    60497 1.g4 c8xg4 2.a1b1 b6d8 
    5    -2.04    0.11    66646 1.g4 c8xg4 2.h5f6 c5xd4 3.f1f4 Kg7 
                                4.f6xg4 d4xe3 5.g4xe3 
   <5>   -2.04    0.25   195354 1.g4 c8xg4 2.h5f6 c5xd4 3.f1f4 Kg7 
                                4.f6xg4 d4xe3 5.g4xe3 
    6    -1.79    0.33   237611 1.g4 c8xg4 2.h5f6 c5xd4 3.f1f4 Kg7 
                                4.f6xg4 d4xe3 5.f4h6 Kg8 6.g4xe3 
   <6>   -1.79    0.70   645043 1.g4 c8xg4 2.h5f6 c5xd4 3.f1f4 Kg7 
                                4.f6xg4 d4xe3 5.f4h6 Kg8 6.g4xe3 
    7    -1.69    0.85   729614 1.g4 e5xg4 2.h5f6 b6b2 3.f6xg4 c8xg4 
                                4.f1f4 Kh5 5.d4b3 
   <7>   -1.69    1.56  1512052 1.g4 e5xg4 2.h5f6 b6b2 3.f6xg4 c8xg4 
                                4.f1f4 Kh5 5.d4b3 
    8    -1.55    1.89  1719609 1.g4 e5xg4 2.h5f6 Kg7 3.f6xg4 c8xg4 
                                4.f1f4 g4e6 
   <8>   -1.55    3.33  3414182 1.g4 e5xg4 2.h5f6 Kg7 3.f6xg4 c8xg4 
                                4.f1f4 g4e6 
    9    -1.66    4.00  3923530 1.g4 e5xg4 2.h5f6 b6b2 3.f6xg4 c8xg4 
                                4.a1b1 b2xa2 5.f1f6 Kh5 6.b1b5 g4c8 
! 7/9    -1.13    8.77  8948605 1.h5f6 
!   9    -0.47   12.41 11831045 1.h5f6 b6b2 2.d4b3 c4 3.b3d4 e5g6 
                                4.a3 c8e6 5.f1e1 
   <9>   -0.47   12.91 12414360 1.h5f6 b6b2 2.d4b3 c4 3.b3d4 e5g6 
                                4.a3 c8e6 5.f1e1 
   10    -0.47   19.53 17556564 1.h5f6 b6d8 2.d4b5 a6 3.f1f4 Kg7 
                                4.f4g5 e5g6 5.f6h5 Kh8 6.g5xd8 f8xd8 
                                7.b5c7 a8a7 8.h5f6 c8e6 
  <10>   -0.47   30.27 29666461 1.h5f6 b6d8 2.d4b5 a6 3.f1f4 Kg7 
                                4.f4g5 e5g6 5.f6h5 Kh8 6.g5xd8 f8xd8 
                                7.b5c7 a8a7 8.h5f6 c8e6 
   11    -0.54   40.44 38742661 1.h5f6 Kg7 2.f6h5 Kg6 3.h5f4 Kh6 
                                4.f4d5 b6d8 5.f1f4 d8g5 6.f4xg5 Kxg5 
                                7.d4b5 e5c4 8.d3 a6 
  <11>   -0.54    1:00 56330567 1.h5f6 Kg7 2.f6h5 Kg6 3.h5f4 Kh6 
                                4.f4d5 b6d8 5.f1f4 d8g5 6.f4xg5 Kxg5 
                                7.d4b5 e5c4 8.d3 a6 

Computed move :   h5f6
NPS:              938842
no solution found [:-( [31/35]!
[Diagram of position #36]

Test position #36

White to move


FEN :          r1bq2k1/1p1n1r1p/3Qppp1/pP5N/2P1B3/8/P4P1P/2KR2R1 w - -
Best Move :    Bxg6 
Position ID:  "arasan4.36"

 depth   value    time    nodes pv
    1    +0.36    0.00        2 1.d6xe6 
   <1>   +0.36    0.00      245 1.d6xe6 
    2    +0.20    0.00      280 1.d6xe6 f5 
   <2>   +0.20    0.01      986 1.d6xe6 f5 
    3    +0.39    0.01     1478 1.d6xe6 d8c7 2.e4d5 
   <3>   +0.39    0.01     3973 1.d6xe6 d8c7 2.e4d5 
    4    +0.05    0.03     7114 1.d6xe6 d8e7 2.e6xe7 f7xe7 
   <4>   +0.05    0.04    19180 1.d6xe6 d8e7 2.e6xe7 f7xe7 
!   5    +0.47    0.06    22810 1.d6xe6 
!   5    +0.93    0.07    33510 1.d6xe6 Kf8 2.e4xg6 h7xg6 3.g1xg6 
   <5>   +0.93    0.09    51529 1.d6xe6 Kf8 2.e4xg6 h7xg6 3.g1xg6 
?   6    +0.27    0.26   182832 1.d6xe6 Kf8 2.h5g3 d8e7 3.e4d5 e7xe6 
                                4.d5xe6 
   <6>   +0.27    0.37   268577 1.d6xe6 Kf8 2.h5g3 d8e7 3.e4d5 e7xe6 
                                4.d5xe6 
    7    +0.13    0.51   396607 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 d7c5 5.d6d8 Kg7 
   <7>   +0.13    0.79   613597 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 d7c5 5.d6d8 Kg7 
    8    -0.01    1.12   930282 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 f5 5.e4f3 Ke8 
   <8>   -0.01    1.76  1440291 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 f5 5.e4f3 Ke8 
    9    +0.08    2.98  2632069 1.d6xe6 Kf8 2.h5f4 d8e7 3.e6xe7 f7xe7 
                                4.e4f3 d7e5 5.d1d8 Kg7 6.f4d5 e5xf3 
                                7.d5xe7 f3xg1 8.e7xc8 
   <9>   +0.08    4.15  3676233 1.d6xe6 Kf8 2.h5f4 d8e7 3.e6xe7 f7xe7 
                                4.e4f3 d7e5 5.d1d8 Kg7 6.f4d5 e5xf3 
                                7.d5xe7 f3xg1 8.e7xc8 
   10    +0.05    8.79  7858596 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 d7c5 5.e4d5 Ke7 6.d5xf7 Kxd6 
                                7.g1e1 
  <10>   +0.05   11.81 10888332 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 d7c5 5.e4d5 Ke7 6.d5xf7 Kxd6 
                                7.g1e1 
   11    -0.03   19.48 18332666 1.d6xe6 Kf8 2.h5f4 d8c7 3.e6d6 c7xd6 
                                4.d1xd6 d7c5 5.e4d5 Ke7 6.d5xf7 Kxd6 
                                7.g1d1 Ke5 8.f4d3 c5xd3 9.d1xd3 
 4/11    +0.40   25.61 23304260 1.h5f4 d8f8 2.f4xe6 f8xd6 3.d1xd6 f7e7 
                                4.e4d5 a8b8 5.c5 f5 6.c6 b7xc6 
                                7.d5xc6 
  <11>   +0.40   29.06 26748174 1.h5f4 d8f8 2.f4xe6 f8xd6 3.d1xd6 f7e7 
                                4.e4d5 a8b8 5.c5 f5 6.c6 b7xc6 
                                7.d5xc6 
   12    +0.47   32.21 29091378 1.h5f4 d8f8 2.f4xe6 f8xd6 3.d1xd6 f7e7 
                                4.e4d5 a8b8 5.c5 f5 6.e6d4 Kf8 
                                7.c6 b7xc6 8.d4xc6 b8b6 
!4/12    +0.82   36.62 33234974 1.e4xg6 
!  12    +1.57   37.98 34244343 1.e4xg6 
!  12    +4.77   44.81 39882760 1.e4xg6 
!  12    +6.00   53.36 48147548 1.e4xg6 h7xg6 2.g1xg6 Kh7 3.d6d3 f5 
                                4.d3h3 Kxg6 5.h5f4 Kg7 6.f4xe6 Kf6 
                                7.e6xd8 Ke7 8.d8xf7 Kxf7 9.h3xf5 d7f6 
                                10.f5f3 a8a7 
  <12>   +6.00   54.28 49119590 1.e4xg6 h7xg6 2.g1xg6 Kh7 3.d6d3 f5 
                                4.d3h3 Kxg6 5.h5f4 Kg7 6.f4xe6 Kf6 
                                7.e6xd8 Ke7 8.d8xf7 Kxf7 9.h3xf5 d7f6 
                                10.f5f3 a8a7 
  <13>   +6.00    1:00 54214799 1.e4xg6 h7xg6 

Computed move :   e4xg6
NPS:              903579
solution found [32/36], time: 36.62, points: 12, nodes: 33234974!
[Diagram of position #37]

Test position #37

Black to move


FEN :          8/1P6/n6p/p5k1/5p2/5K1P/2B5/8 b - -
Best Move :    Kf6 
Position ID:  "arasan4.37"

 depth   value    time    nodes pv
    1    +0.60    0.00        2 1... a6b8 
   <1>   +0.60    0.00       10 1... a6b8 
    2    +0.54    0.00       38 1... a6b8 2.c2d3 
   <2>   +0.54    0.00       68 1... a6b8 2.c2d3 
    3    +0.59    0.00      149 1... a6b8 2.c2d3 a4 
   <3>   +0.59    0.02      190 1... a6b8 2.c2d3 a4 
    4    +0.53    0.02      401 1... a6b8 2.c2e4 a4 3.e4d5 
   <4>   +0.53    0.02      685 1... a6b8 2.c2e4 a4 3.e4d5 
    5    +0.35    0.02     1377 1... a6b8 2.h4 Kxh4 3.Kxf4 Kh3 
                                4.Ke5 
   <5>   +0.35    0.02     1695 1... a6b8 2.h4 Kxh4 3.Kxf4 Kh3 
                                4.Ke5 
    6    +0.34    0.02     3135 1... a6b8 2.h4 Kxh4 3.Kxf4 b8c6 
                                4.c2a4 c6b8 
   <6>   +0.34    0.03     3750 1... a6b8 2.h4 Kxh4 3.Kxf4 b8c6 
                                4.c2a4 c6b8 
    7    +0.00    0.03     5831 1... a6b8 2.h4 Kxh4 3.Kxf4 b8c6 
                                4.c2a4 c6b8 5.a4c2 b8c6 6.c2a4 c6b8 
                                7.a4c2 b8c6 
   <7>   +0.00    0.05     9012 1... a6b8 2.h4 Kxh4 3.Kxf4 b8c6 
                                4.c2a4 c6b8 5.a4c2 b8c6 6.c2a4 c6b8 
                                7.a4c2 b8c6 8.c2a4 c6b8 9.a4c2 b8c6 
                                10.c2a4 
?   8    -0.57    0.09    40736 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Ke4 Kd6 5.Kd4 h5 
   <8>   -0.57    0.11    45829 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Ke4 Kd6 5.Kd4 h5 
    9    -0.42    0.13    58231 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Ke4 Kd6 5.c2b3 Kc5 6.b3a4 h5 
   <9>   -0.42    0.14    63762 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Ke4 Kd6 5.c2b3 Kc5 6.b3a4 h5 
?  10    -0.66    0.38   229169 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Kg4 Kf6 5.Kh5 Kg7 6.c2a4 b8a6 
                                7.Kg4 a6b8 
  <10>   -0.66    0.38   229177 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Kg4 Kf6 5.Kh5 Kg7 6.c2a4 b8a6 
                                7.Kg4 a6b8 
   11    -0.69    0.58   359925 1... a6b8 2.h4 Kf6 3.Kxf4 Ke6 
                                4.Kg4 Kd6 5.Kh5 Kc7 6.c2e4 a4 
                                7.Kxh6 a3 8.e4d5 Kd6 
 2/11    -0.36    0.78   507850 1... Kf6 2.Kxf4 Ke6 3.Kg4 Kd6 
                                4.c2d3 a6b8 5.Kh5 a4 6.Kxh6 a3 
                                7.d3b1 Kc6 8.b1e4 Kc5 
  <11>   -0.36    0.91   618391 1... Kf6 2.Kxf4 Ke6 3.Kg4 Kd6 
                                4.c2d3 a6b8 5.Kh5 a4 6.Kxh6 a3 
                                7.d3b1 Kc6 8.b1e4 Kc5 
   12    -0.16    1.50  1066146 1... Kf6 2.Kxf4 Ke6 3.Ke3 Kd5 
                                4.h4 a6b8 5.c2a4 Kd6 6.a4d1 Kd5 
                                7.d1f3 Kc5 8.Ke4 a4 
  <12>   -0.16    1.89  1423534 1... Kf6 2.Kxf4 Ke6 3.Ke3 Kd5 
                                4.h4 a6b8 5.c2a4 Kd6 6.a4d1 Kd5 
                                7.d1f3 Kc5 8.Ke4 a4 
   13    -0.18    2.67  2037872 1... Kf6 2.Kxf4 Ke6 3.Ke3 Kd5 
                                4.c2e4 Kc5 5.Kd3 a6b8 6.Kc3 a4 
                                7.e4f3 Kb5 8.f3d5 Kc5 9.d5e6 
  <13>   -0.18    3.08  2390040 1... Kf6 2.Kxf4 Ke6 3.Ke3 Kd5 
                                4.c2e4 Kc5 5.Kd3 a6b8 6.Kc3 a4 
                                7.e4f3 Kb5 8.f3d5 Kc5 9.d5e6 
   14    -0.13    4.53  3556505 1... Kf6 2.Kxf4 Ke6 3.Ke3 Kd5 
                                4.c2e4 Kc5 5.Kd3 a6b8 6.Kc3 a4 
                                7.e4f3 Kb5 8.f3d5 Kc5 9.d5f7 a3 
                                10.f7a2 
  <14>   -0.13    5.30  4201550 1... Kf6 2.Kxf4 Ke6 3.Ke3 Kd5 
                                4.c2e4 Kc5 5.Kd3 a6b8 6.Kc3 a4 
                                7.e4f3 Kb5 8.f3d5 Kc5 9.d5f7 a3 
                                10.f7a2 
   15    -0.17    9.56  7618148 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 Kxb7 6.Kxh6 a6b4 
                                7.c2a4 b4d5 8.Kg5 d5c3 9.a4c2 a4 
                                10.h5 
  <15>   -0.17   11.67  9309468 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 Kxb7 6.Kxh6 a6b4 
                                7.c2a4 b4d5 8.Kg5 d5c3 9.a4c2 a4 
                                10.h5 
   16    -0.35   18.13 14492057 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 Kxb7 6.Kxh6 a6b4 
                                7.c2a4 b4a6 8.Kg5 a6c5 9.a4c2 
  <16>   -0.35   23.58 18825969 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 Kxb7 6.Kxh6 a6b4 
                                7.c2a4 b4a6 8.Kg5 a6c5 9.a4c2 
   17    -0.58   37.44 30020557 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 a6c5 6.Kxh6 a4 
                                7.c2xa4 c5xa4 8.b7b8Q Kxb8 9.h5 Kc7 
                                10.Kg7 a4c5 11.h6 c5e6 12.Kf6 e6f8 
                                13.Kg7 f8d7 
  <17>   -0.58   53.52 42623915 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 a6c5 6.Kxh6 a4 
                                7.c2xa4 c5xa4 8.b7b8Q Kxb8 9.h5 Kc7 
                                10.Kg7 a4c5 11.h6 c5e6 12.Kf6 e6f8 
                                13.Kg7 f8d7 
  <18>   -0.58    1:00 47755100 1... Kf6 2.Kxf4 Ke6 3.h4 Kd6 
                                4.Kg4 Kc7 5.Kh5 a6c5 6.Kxh6 a4 
                                7.c2xa4 c5xa4 8.h5 Kxb7 

Computed move :   Kf6
NPS:              795918
solution found [33/37], time: 0.78, points: 25, nodes: 618391!
[Diagram of position #38]

Test position #38

White to move


FEN :          r4rk1/2qbbpp1/7p/2pPp3/ppN1P3/4Q1P1/PPPN4/2K3RR w - -
Best Move :    Rxh6 
Position ID:  "arasan4.38"

 depth   value    time    nodes pv
    1    -0.84    0.00        2 1.g1d1 
 16/1    -0.78    0.00       18 1.g4 
   <1>   -0.78    0.00       44 1.g4 
    2    -1.05    0.00       97 1.g4 a3 
   <2>   -1.05    0.00      291 1.g4 a3 
    3    -0.73    0.00      699 1.g4 b3 2.c2xb3 
   <3>   -0.73    0.02     1288 1.g4 b3 2.c2xb3 
    4    -0.87    0.02     3578 1.g4 e7g5 2.e3f3 a3 
   <4>   -0.87    0.03     7813 1.g4 e7g5 2.e3f3 a3 
    5    -0.69    0.05    13304 1.g4 e7g5 2.e3d3 b3 3.c2xb3 
   <5>   -0.69    0.06    18727 1.g4 e7g5 2.e3d3 b3 3.c2xb3 
    6    -1.02    0.11    38387 1.g4 b3 2.c2xb3 a4xb3 3.e3xb3 d7a4 
                                4.b3f3 
 14/6    -1.01    0.20    76239 1.g1f1 b3 2.c2xb3 a4xb3 3.e3xb3 d7a4 
                                4.b3f3 
 15/6    -0.96    0.25    95659 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 d7a4 
   <6>   -0.96    0.28   109208 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 d7a4 
    7    -0.79    0.42   174799 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 d7a4 
                                4.g4 f8b8 
   <7>   -0.79    0.53   228923 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 d7a4 
                                4.g4 f8b8 
    8    -0.70    0.92   409575 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 d7g4 
                                4.g1f1 a8b8 5.e3f2 
   <8>   -0.70    1.02   466063 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 d7g4 
                                4.g1f1 a8b8 5.e3f2 
    9    -0.89    1.47   661382 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 c7a7 
                                4.a3 d7a4 5.c4xe5 f8b8 
   <9>   -0.89    1.95   946338 1.Kb1 b3 2.c2xb3 a4xb3 3.d2xb3 c7a7 
                                4.a3 d7a4 5.c4xe5 f8b8 
   10    -0.99    2.53  1256629 1.Kb1 b3 2.c2xb3 a4xb3 3.e3xb3 f8b8 
                                4.b3c3 c7a7 5.a3 d7a4 6.c3xe5 b8b7 
  <10>   -0.99    4.05  2105552 1.Kb1 b3 2.c2xb3 a4xb3 3.e3xb3 f8b8 
                                4.b3c3 c7a7 5.a3 d7a4 6.c3xe5 b8b7 
   11    -0.84    6.52  3424828 1.Kb1 b3 2.c2xb3 a4xb3 3.e3xb3 f8b8 
                                4.b3c3 c7a7 5.a3 d7a4 6.c4xe5 e7f6 
                                7.g4 
  <11>   -0.84    8.17  4406979 1.Kb1 b3 2.c2xb3 a4xb3 3.e3xb3 f8b8 
                                4.b3c3 c7a7 5.a3 d7a4 6.c4xe5 e7f6 
                                7.g4 
   12    -0.82   17.06  9441814 1.Kb1 b3 2.c2xb3 a4xb3 3.e3xb3 f8b8 
                                4.b3f3 c7a7 5.a3 d7a4 6.c4xe5 e7g5 
                                7.d2c4 b8e8 
 5/12    -0.79   30.58 17414491 1.e3d3 b3 2.c2xb3 a4xb3 3.d6 b3xa2 
                                4.Kc2 e7xd6 5.d3xd6 c7a7 6.g1a1 f6 
                                7.d6d5 Kh7 8.h1d1 
!12/12    -0.42   35.55 20587478 1.d6 
!  12    +0.02   40.59 23904829 1.d6 e7xd6 2.h1xh6 f6 3.h6h2 Kf7 
                                4.h2h7 f8h8 5.e3h6 h8xh7 6.h6xh7 b3 
                                7.c2xb3 a4xb3 
  <12>   +0.02   40.91 24115000 1.d6 e7xd6 2.h1xh6 f6 3.h6h2 Kf7 
                                4.h2h7 f8h8 5.e3h6 h8xh7 6.h6xh7 b3 
                                7.c2xb3 a4xb3 
   13    +0.05   49.92 30404867 1.d6 e7xd6 2.h1xh6 f6 3.h6h2 Kf7 
                                4.g1h1 a3 5.h2h7 a3xb2 6.Kxb2 d7e6 
                                7.e3d3 f8d8 8.Kb3 
  <13>   +0.05    1:00 37650780 1.d6 e7xd6 2.h1xh6 f6 3.h6h2 Kf7 
                                4.g1h1 a3 5.h2h7 a3xb2 6.Kxb2 d7e6 
                                7.e3d3 f8d8 8.Kb3 

Computed move :   d6
NPS:              627513
no solution found [:-( [33/38]!
[Diagram of position #39]

Test position #39

White to move


FEN :          r2q1r1k/1p2bppp/pnb1p3/4P3/6R1/2N5/PPB1QPPP/R1B3K1 w - -
Best Move :    Rxg7 
Position ID:  "arasan4.39"

 depth   value    time    nodes pv
    1    +0.40    0.00        2 1.c1e3 
   <1>   +0.40    0.00       58 1.c1e3 
    2    +0.33    0.00      136 1.c1e3 a8c8 
   <2>   +0.33    0.02      428 1.c1e3 a8c8 
    3    +0.42    0.02      885 1.c1e3 a8c8 2.a1d1 
   <3>   +0.42    0.02     1803 1.c1e3 a8c8 2.a1d1 
    4    +0.41    0.02     4837 1.c1e3 d8c7 2.a1d1 f8d8 
   <4>   +0.41    0.04     8860 1.c1e3 d8c7 2.a1d1 f8d8 
    5    +0.35    0.05    17517 1.c1e3 a8c8 2.a1d1 d8c7 3.c2d3 
   <5>   +0.35    0.08    28910 1.c1e3 a8c8 2.a1d1 d8c7 3.c2d3 
    6    +0.33    0.13    49556 1.c1e3 d8c7 2.e2d3 g6 3.d3d4 f5 
   <6>   +0.33    0.18    90788 1.c1e3 d8c7 2.e2d3 g6 3.d3d4 f5 
    7    +0.41    0.35   173940 1.c1e3 b6d5 2.c3xd5 c6b5 3.e2e1 d8xd5 
                                4.e3b6 b5d3 5.c2xd3 d5xd3 
   <7>   +0.41    0.47   270549 1.c1e3 b6d5 2.c3xd5 c6b5 3.e2e1 d8xd5 
                                4.e3b6 b5d3 5.c2xd3 d5xd3 
    8    +0.40    0.71   424605 1.c1e3 b6d5 2.c3xd5 d8xd5 3.e3b6 c6b5 
                                4.e2e3 e7d8 5.b6c5 
   <8>   +0.40    1.02   677633 1.c1e3 b6d5 2.c3xd5 d8xd5 3.e3b6 c6b5 
                                4.e2e3 e7d8 5.b6c5 
    9    +0.26    2.50  1598492 1.c1e3 d8c7 2.e2d3 g6 3.d3e2 b6d7 
                                4.e3f4 f8d8 5.a1d1 
! 3/9    +0.82    3.13  2114022 1.g4xg7 
!   9    +1.57    3.40  2300434 1.g4xg7 
!   9    +4.61    4.49  3213252 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 c6e4 5.f6xe7 d8xe7 6.c3xe4 a8d8 
   <9>   +4.61    4.52  3243035 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 c6e4 5.f6xe7 d8xe7 6.c3xe4 a8d8 
!  10    +5.03    5.61  4011086 1.g4xg7 
!  10    +5.50    6.60  4725001 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2xh2 
  <10>   +5.50    6.82  4991021 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2xh2 
   11    +5.50    8.24  6127561 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 b6c8 8.e7e8Q g8xe8 
  <11>   +5.50    8.86  6920620 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 b6c8 8.e7e8Q g8xe8 
   12    +5.39   11.79  9510740 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2xh2 9.c1e3 h2h1 
                                10.Ke2 h1xa1 11.e3xb6 
  <12>   +5.39   14.40 12333128 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2xh2 9.c1e3 h2h1 
                                10.Ke2 h1xa1 11.e3xb6 
!  13    +5.81   21.25 17426631 1.g4xg7 
!  13    +5.84   29.33 24086195 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2xh2 9.c2e4 b6d5 
                                10.c3xd5 e6xd5 
  <13>   +5.84   33.77 29095236 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2xh2 9.c2e4 b6d5 
                                10.c3xd5 e6xd5 
   14    +5.55   45.33 39126372 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2g7 9.c1e3 b6c8 
                                10.e3d4 c8xe7 11.d4xg7 Kxg7 
  <14>   +5.55    1:00 54602037 1.g4xg7 Kxg7 2.e2g4 Kh8 3.g4h5 f5 
                                4.e5xf6 f8f7 5.h5xf7 d8g8 6.f7xg8 a8xg8 
                                7.f6xe7 g8xg2 8.Kf1 g2g7 9.c1e3 b6c8 
                                10.e3d4 c8xe7 11.d4xg7 Kxg7 

Computed move :   g4xg7
NPS:              910033
solution found [34/39], time: 3.13, points: 20, nodes: 2114022!
[Diagram of position #40]

Test position #40

White to move


FEN :          1r3k2/4q3/2Pp3b/3Bp3/2Q2p2/1p1P2P1/1P2KP2/3N4 w - -
Best Move :    Be6 
Position ID:  "arasan4.40"

 depth   value    time    nodes pv
    1    +0.63    0.00        2 1.g4 
   <1>   +0.63    0.00       47 1.g4 
?   2    +0.02    0.00      364 1.g4 h6g5 
? 6/2    +0.08    0.00      665 1.d1c3 e7c7 
?12/2    +0.32    0.00      901 1.c4a4 e7c7 2.d5xb3 
   <2>   +0.32    0.00      919 1.c4a4 e7c7 2.d5xb3 
    3    +0.32    0.01     1220 1.c4a4 e7c7 2.d5xb3 
  2/3    +0.45    0.01     1618 1.d1c3 e7c7 2.g4 
   <3>   +0.45    0.01     2138 1.d1c3 e7c7 2.g4 
    4    +0.19    0.03     5487 1.d1c3 Kg7 2.g4 h6g5 
   <4>   +0.19    0.03     9691 1.d1c3 Kg7 2.g4 h6g5 
    5    +0.33    0.08    21590 1.d1c3 e7g7 2.d5e6 g7c7 3.g4 
   <5>   +0.33    0.09    27218 1.d1c3 e7g7 2.d5e6 g7c7 3.g4 
!   6    +0.75    0.12    44378 1.d1c3 
!   6    +0.69    0.16    53041 1.d1c3 f4xg3 2.f2xg3 e7g5 3.Kf3 g5c1 
   <6>   +0.69    0.19    66299 1.d1c3 f4xg3 2.f2xg3 e7g5 3.Kf3 g5c1 
    7    +0.83    0.37   139934 1.d1c3 f4xg3 2.c4g4 e7g5 3.g4xg5 h6xg5 
                                4.f2xg3 b8c8 
   <7>   +0.83    0.47   176899 1.d1c3 f4xg3 2.c4g4 e7g5 3.g4xg5 h6xg5 
                                4.f2xg3 b8c8 
    8    +1.17    1.97   780802 1.d1c3 e7e8 2.d5e6 e8h5 3.g4 h5h1 
                                4.c4d5 h1xd5 5.e6xd5 
   <8>   +1.17    2.01   797227 1.d1c3 e7e8 2.d5e6 e8h5 3.g4 h5h1 
                                4.c4d5 h1xd5 5.e6xd5 
    9    +1.18    4.08  1652549 1.d1c3 e7g5 2.c7 b8c8 3.d5b7 g5h5 
                                4.Kf1 h5h3 5.Ke1 f4xg3 6.b7xc8 g3xf2 
                                7.Kxf2 h3xc8 8.Kf3 
   <9>   +1.18    4.17  1695020 1.d1c3 e7g5 2.c7 b8c8 3.d5b7 g5h5 
                                4.Kf1 h5h3 5.Ke1 f4xg3 6.b7xc8 g3xf2 
                                7.Kxf2 h3xc8 8.Kf3 
?  10    +0.94   11.45  4800293 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 Kg7 6.b3d5 Kf6 
  <10>   +0.94   11.45  4800322 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 Kg7 6.b3d5 Kf6 
   11    +1.18   20.75  8824827 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 g5f6 6.g4 Kg7 
                                7.b3d5 f6g5 
  <11>   +1.18   21.23  9068477 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 g5f6 6.g4 Kg7 
                                7.b3d5 f6g5 
   12    +1.27   52.87 23007363 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 g5f6 6.b3d5 e4 
                                7.c6a6 c8xc7 8.b5xc7 e7xc7 9.g3xf4 e4xd3 
                                10.a6xd3 f6xb2 
  <12>   +1.27   55.39 24220746 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 g5f6 6.b3d5 e4 
                                7.c6a6 c8xc7 8.b5xc7 e7xc7 9.g3xf4 e4xd3 
                                10.a6xd3 f6xb2 
  <13>   +1.27    1:00 26208806 1.d1c3 e7g5 2.c7 b8c8 3.c4c6 g5e7 
                                4.c3b5 h6g5 5.d5xb3 f4xg3 6.f2xg3 g5f6 
                                7.b3d5 f6g5 8.c6b7 e7d7 

Computed move :   d1c3
NPS:              436813
no solution found [:-( [34/40]!
© Steffen A. Jakob