[ Test Suite arasan | Hossa ]

Positions 21 - 30


[Diagram of position #21]

Test position #21

Black to move


FEN :          2rqr1k1/1b1n1ppp/pp2p3/4N3/PbPPpB2/1PN3P1/R2Q1P1P/2R3K1 b - -
Best Move :    Nf8 
Position ID:  "arasan4.21"

 depth   value    time    nodes pv
    1    +0.61    0.00        2 1... d7f6 
  5/1    +0.78    0.00       21 1... d8e7 2.e5xd7 e7xd7 
   <1>   +0.78    0.00       76 1... d8e7 2.e5xd7 e7xd7 
    2    +0.69    0.02      165 1... d8e7 2.g4 
   <2>   +0.69    0.02      641 1... d8e7 2.g4 
    3    +0.50    0.02     1343 1... d8e7 2.f4g5 f6 
  2/3    +0.54    0.02     1925 1... a5 2.g4 d8e7 
 12/3    +0.56    0.04     3870 1... c8c7 2.c1e1 d8e7 
   <3>   +0.56    0.04     4838 1... c8c7 2.c1e1 d8e7 
    4    +0.36    0.04     7919 1... c8c7 2.g4 d7f6 3.c1e1 
  2/4    +0.53    0.05     9857 1... a5 2.g4 d8e7 3.c1e1 
  3/4    +0.62    0.05    12439 1... d8e7 2.e5xd7 e7xd7 3.g4 
   <4>   +0.62    0.07    15253 1... d8e7 2.e5xd7 e7xd7 3.g4 
    5    +0.64    0.08    19844 1... d8e7 2.f4g5 e7d6 3.d2f4 f6 
                                4.e5xd7 d6xd7 
   <5>   +0.64    0.10    27116 1... d8e7 2.f4g5 e7d6 3.d2f4 f6 
                                4.e5xd7 d6xd7 
    6    +0.58    0.18    61003 1... d8e7 2.d2e2 f6 3.e5xd7 e7xd7 
                                4.a2d2 
   <6>   +0.58    0.24    91811 1... d8e7 2.d2e2 f6 3.e5xd7 e7xd7 
                                4.a2d2 
    7    +0.47    0.35   143225 1... d8e7 2.d2e2 f5 3.f4e3 e8d8 
                                4.a2d2 d7xe5 5.d4xe5 d8xd2 6.e2xd2 
 21/7    +0.52    0.94   409169 1... f6 2.e5xd7 d8xd7 3.c1d1 b7c6 
                                4.d1e1 f5 
   <7>   +0.52    0.97   426484 1... f6 2.e5xd7 d8xd7 3.c1d1 b7c6 
                                4.d1e1 f5 
    8    +0.50    1.24   558155 1... f6 2.e5xd7 d8xd7 3.a2c2 c8d8 
                                4.c1d1 g5 5.f4e3 
 12/8    +0.70    2.00   976994 1... d7f8 2.d2d1 f6 3.e5g4 f8g6 
                                4.c3e2 d8e7 5.g4e3 b7c6 
   <8>   +0.70    2.05  1004775 1... d7f8 2.d2d1 f6 3.e5g4 f8g6 
                                4.c3e2 d8e7 5.g4e3 b7c6 
    9    +0.73    2.55  1328339 1... d7f8 2.d2d1 f6 3.e5g4 d8d7 
                                4.a2c2 f8g6 5.f4e3 b4a3 6.c1a1 
   <9>   +0.73    2.68  1395255 1... d7f8 2.d2d1 f6 3.e5g4 d8d7 
                                4.a2c2 f8g6 5.f4e3 b4a3 6.c1a1 
   10    +0.75    4.27  2374903 1... d7f8 2.d2d1 f6 3.e5g4 d8d7 
                                4.f4e3 h5 5.g4xf6 g7xf6 6.d1xh5 e8d8 
                                7.h5h6 f8h7 
  <10>   +0.75    4.55  2540381 1... d7f8 2.d2d1 f6 3.e5g4 d8d7 
                                4.f4e3 h5 5.g4xf6 g7xf6 6.d1xh5 e8d8 
                                7.h5h6 f8h7 
   11    +0.87    9.60  5746885 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8c7 5.d2c2 e8d8 6.c1d1 h5 
                                7.g4h2 
  <11>   +0.87   10.13  6042506 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8c7 5.d2c2 e8d8 6.c1d1 h5 
                                7.g4h2 
   12    +0.93   14.97  9435745 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8c7 5.g4h2 c7f7 6.d2c2 f5 
                                7.e3g5 b7c6 8.c2d2 
  <12>   +0.93   15.75  9912326 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8c7 5.g4h2 c7f7 6.d2c2 f5 
                                7.e3g5 b7c6 8.c2d2 
   13    +0.94   26.18 17352441 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8d7 5.d2c2 e8d8 6.g4h2 f5 
                                7.e3g5 g6e7 8.g5xe7 d7xe7 
  <13>   +0.94   28.27 18564449 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8d7 5.d2c2 e8d8 6.g4h2 f5 
                                7.e3g5 g6e7 8.g5xe7 d7xe7 
  <14>   +0.94    1:00 37196807 1... d7f8 2.h3 f6 3.e5g4 f8g6 
                                4.f4e3 d8d7 5.d2c2 e8d8 6.g4h2 f5 
                                7.e3g5 g6e7 8.c1d1 b7c6 9.g4 d8e8 

Computed move :   d7f8
NPS:              619946
solution found [19/21], time: 2.00, points: 23, nodes: 1004775!
[Diagram of position #22]

Test position #22

White to move


FEN :          2q2k1r/1pbb1ppp/2n2n2/1B2p3/Q3P3/4BP1P/PP4P1/1KRR4 w - -
Best Move :    Rxd7 
Position ID:  "arasan4.22"

 depth   value    time    nodes pv
    1    -1.36    0.00        4 1.b5xc6 b7xc6 
  2/1    -0.60    0.00        6 1.h4 
  5/1    -0.59    0.00      132 1.e3c5 Kg8 2.a4b3 
 32/1    -0.54    0.00      225 1.g4 
   <1>   -0.54    0.00      295 1.g4 
    2    -0.73    0.01      359 1.g4 Kg8 
  2/2    -0.64    0.01      984 1.e3c5 Kg8 2.g4 c8b8 
   <2>   -0.64    0.01     1437 1.e3c5 Kg8 2.g4 c8b8 
    3    -0.53    0.01     2254 1.e3c5 Kg8 2.g4 c8b8 3.a4b3 
   <3>   -0.53    0.01     3759 1.e3c5 Kg8 2.g4 c8b8 3.a4b3 
    4    -0.56    0.03     8190 1.e3c5 Kg8 2.g4 c7d8 3.g5 f6h5 
   <4>   -0.56    0.05    13231 1.e3c5 Kg8 2.g4 c7d8 3.g5 f6h5 
    5    -0.69    0.09    30842 1.e3c5 Kg8 2.g4 d7e6 3.b5xc6 b7xc6 
                                4.a4xc6 c8b8 
 13/5    -0.62    0.11    41849 1.g4 Kg8 2.h4 c8b8 3.e3c5 d7e6 
   <5>   -0.62    0.14    52914 1.g4 Kg8 2.h4 c8b8 3.e3c5 d7e6 
    6    -0.58    0.17    65322 1.g4 Kg8 2.h4 c7d8 3.e3c5 d7e6 
                                4.a4c2 c8b8 
 10/6    -0.38    0.23    94466 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 Ke7 
                                4.b6c5 Ke8 
   <6>   -0.38    0.28   114704 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 Ke7 
                                4.b6c5 Ke8 
    7    -0.06    0.33   142792 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 g6 5.b5xc6 b7xc6 6.c1xc6 
   <7>   -0.06    0.42   207133 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 g6 5.b5xc6 b7xc6 6.c1xc6 
    8    -0.06    0.50   258173 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 g6 5.b5xc6 b7xc6 6.c1xc6 
   <8>   -0.06    0.53   288150 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 g6 5.b5xc6 b7xc6 6.c1xc6 
    9    +0.22    0.67   400577 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 d7c7 5.b5xc6 b7xc6 6.c1xc6 c7d7 
                                7.c6c8 
   <9>   +0.22    0.73   461263 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 d7c7 5.b5xc6 b7xc6 6.c1xc6 c7d7 
                                7.c6c8 
!  10    +0.64    0.89   569859 1.d1xd7 
!  10    +0.91    1.14   771019 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 d7c7 5.b5xc6 b7xc6 6.c1xc6 c7d7 
                                7.b4d6 h8g8 8.d6xe5 
  <10>   +0.91    1.31   923924 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b4 d7c7 5.b5xc6 b7xc6 6.c1xc6 c7d7 
                                7.b4d6 h8g8 8.d6xe5 
   11    +0.89    2.20  1648791 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 f6e8 
                                4.b5xc6 d7d3 5.Ka1 d3d2 6.c1g1 b7xc6 
                                7.a8xd8 d2c2 
  <11>   +0.89    2.83  2148909 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 f6e8 
                                4.b5xc6 d7d3 5.Ka1 d3d2 6.c1g1 b7xc6 
                                7.a8xd8 d2c2 
   12    +1.23    4.23  3315870 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 f6e8 
                                4.b5xc6 d7d3 5.Ka1 d3d2 6.c1g1 b7xc6 
                                7.a8xd8 d2c2 8.d8d1 c2c4 
  <12>   +1.23    5.62  4316512 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 f6e8 
                                4.b5xc6 d7d3 5.Ka1 d3d2 6.c1g1 b7xc6 
                                7.a8xd8 d2c2 8.d8d1 c2c4 
   13    +1.17    9.39  7519258 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 Ke7 
                                4.c1xc6 b7xc6 5.b6c5 Ke6 6.b5c4 f6d5 
                                7.c4xd5 Kf6 8.a8xc6 d7xc6 9.d5xc6 d8c7 
                                10.Kc2 h8c8 
  <13>   +1.17   16.23 12584767 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3b6 Ke7 
                                4.c1xc6 b7xc6 5.b6c5 Ke6 6.b5c4 f6d5 
                                7.c4xd5 Kf6 8.a8xc6 d7xc6 9.d5xc6 d8c7 
                                10.Kc2 h8c8 
!  14    +1.59   24.56 18606346 1.d1xd7 
!  14    +1.75   30.08 23102171 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b6 Ke7 5.c1xc6 b7xc6 6.b6c5 Ke6 
                                7.b5c4 f6d5 8.a8a6 Kf6 9.e4xd5 d7c7 
                                10.a6xc6 Kf5 11.c4d3 Kf4 12.c6xc7 d8xc7 
  <14>   +1.75   37.20 29776681 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b6 Ke7 5.c1xc6 b7xc6 6.b6c5 Ke6 
                                7.b5c4 f6d5 8.a8a6 Kf6 9.e4xd5 d7c7 
                                10.a6xc6 Kf5 11.c4d3 Kf4 12.c6xc7 d8xc7 
   15    +1.89   48.69 39145999 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b6 Ke7 5.c1xc6 b7xc6 6.b6c5 Ke6 
                                7.b5c4 f6d5 8.a8a6 Kf6 9.e4xd5 Kg5 
                                10.c5e3 Kh5 11.a6xc6 d7e8 12.c6c8 
  <15>   +1.89    1:00 49335954 1.d1xd7 c8xd7 2.a4a8 c7d8 3.e3c5 Ke8 
                                4.c5b6 Ke7 5.c1xc6 b7xc6 6.b6c5 Ke6 
                                7.b5c4 f6d5 8.a8a6 Kf6 9.e4xd5 Kg5 
                                10.c5e3 Kh5 11.a6xc6 d7e8 12.c6c8 

Computed move :   d1xd7
NPS:              822265
solution found [20/22], time: 0.23, points: 25, nodes: 114704!
[Diagram of position #23]

Test position #23

Black to move


FEN :          2q1r3/3n2pk/p4r1p/3Q4/R1P1pN2/4BnP1/5P1P/R6K b - -
Best Move :    Rxf4 
Position ID:  "arasan4.23"

 depth   value    time    nodes pv
    1    +0.79    0.00        2 1... d7b8 
  5/1    +0.93    0.00       16 1... Kh8 
   <1>   +0.93    0.00       65 1... Kh8 
    2    +0.77    0.00      148 1... Kh8 2.c5 
 31/2    +0.90    0.00      568 1... e8e5 2.d5d1 
   <2>   +0.90    0.00      608 1... e8e5 2.d5d1 
    3    +1.10    0.01      916 1... e8e5 2.d5d1 d7c5 
   <3>   +1.10    0.01     1366 1... e8e5 2.d5d1 d7c5 
    4    +0.76    0.01     2811 1... e8e5 2.d5d1 d7c5 3.f4d5 c5xa4 
                                4.d5xf6 g7xf6 5.a1xa4 
   <4>   +0.76    0.03     7940 1... e8e5 2.d5d1 d7c5 3.f4d5 c5xa4 
                                4.d5xf6 g7xf6 5.a1xa4 
    5    +0.76    0.03    11481 1... e8e5 2.d5d1 d7c5 3.f4d5 c5xa4 
                                4.d5xf6 
 24/5    +0.77    0.06    22670 1... d7b6 2.e3xb6 f6xb6 3.a4a2 b6f6 
   <5>   +0.77    0.06    25458 1... d7b6 2.e3xb6 f6xb6 3.a4a2 b6f6 
    6    +0.61    0.08    34745 1... d7b6 2.e3xb6 f6xb6 3.a4a2 b6b4 
                                4.d5f7 b4xc4 5.a2xa6 
  2/6    +0.72    0.11    45420 1... e8e5 2.d5d1 d7c5 3.e3xc5 c8xc5 
                                4.f4d5 f6f7 
   <6>   +0.72    0.17    81004 1... e8e5 2.d5d1 d7c5 3.e3xc5 c8xc5 
                                4.f4d5 f6f7 
    7    +0.60    0.25   124811 1... e8e5 2.d5d1 f6c6 3.a1c1 d7c5 
                                4.e3xc5 e5xc5 5.d1c2 
  2/7    +0.75    0.30   152849 1... d7b6 2.e3xb6 f6xb6 3.a4a2 b6f6 
                                4.a1d1 f6f5 
   <7>   +0.75    0.39   215085 1... d7b6 2.e3xb6 f6xb6 3.a4a2 b6f6 
                                4.a1d1 f6f5 
    8    +0.50    0.50   285885 1... d7b6 2.e3xb6 f6xb6 3.c5 b6b2 
                                4.a4a2 b2xa2 5.a1xa2 Kh8 
  2/8    +0.60    0.65   383659 1... e8e5 2.d5d1 f6c6 3.a1c1 d7c5 
                                4.e3xc5 e5xc5 5.d1c2 c8e8 
   <8>   +0.60    0.87   521765 1... e8e5 2.d5d1 f6c6 3.a1c1 d7c5 
                                4.e3xc5 e5xc5 5.d1c2 c8e8 
    9    +0.60    1.26   758245 1... e8e5 2.d5d1 f6c6 3.d1c2 Kg8 
                                4.a1d1 e5e8 5.d1c1 d7b6 6.e3xb6 c6xb6 
   <9>   +0.60    2.03  1268423 1... e8e5 2.d5d1 f6c6 3.d1c2 Kg8 
                                4.a1d1 e5e8 5.d1c1 d7b6 6.e3xb6 c6xb6 
   10    +0.70    3.73  2302672 1... e8e5 2.d5d1 f6c6 3.d1e2 d7f6 
                                4.c5 f6g4 5.e3d4 e5e8 6.d4c3 c8f5 
!13/10    +1.02    4.64  3011208 1... d7b6 
!  10    +1.33    5.05  3318756 1... d7b6 2.e3xb6 f6xf4 3.Kg2 f4f5 
                                4.d5d6 f5h5 5.h4 c8g4 6.d6f4 f3xh4 
                                7.Kg1 
  <10>   +1.33    5.15  3405769 1... d7b6 2.e3xb6 f6xf4 3.Kg2 f4f5 
                                4.d5d6 f5h5 5.h4 c8g4 6.d6f4 f3xh4 
                                7.Kg1 
   11    +1.16    5.92  4053015 1... d7b6 2.e3xb6 f6xf4 3.Kg2 f3g5 
                                4.Kf1 f4f5 5.d5d1 g5f3 6.Ke2 f3xh2 
                                7.Ke1 
!2/11    +1.75    8.34  5777362 1... f6xf4 
!  11    +2.01    9.86  7052001 1... f6xf4 2.e3xf4 d7b6 3.d5h5 b6xa4 
                                4.a1xa4 e8d8 5.g4 d8d1 6.Kg2 d1g1 
                                7.Kh3 c8c6 8.h5f5 Kg8 
  <11>   +2.01   10.17  7295065 1... f6xf4 2.e3xf4 d7b6 3.d5h5 b6xa4 
                                4.a1xa4 e8d8 5.g4 d8d1 6.Kg2 d1g1 
                                7.Kh3 c8c6 8.h5f5 Kg8 
!  12    +2.43   15.09 10893582 1... f6xf4 
!  12    +2.42   16.28 11839838 1... f6xf4 2.g3xf4 d7b6 3.d5h5 b6xa4 
                                4.f5 c8d7 5.h5g6 Kg8 6.f6 a4b2 
                                7.e3xh6 b2d1 8.g6xg7 d7xg7 9.h6xg7 d1xf2 
                                10.Kg2 
  <12>   +2.42   16.86 12371870 1... f6xf4 2.g3xf4 d7b6 3.d5h5 b6xa4 
                                4.f5 c8d7 5.h5g6 Kg8 6.f6 a4b2 
                                7.e3xh6 b2d1 8.g6xg7 d7xg7 9.h6xg7 d1xf2 
                                10.Kg2 
!  13    +2.84   25.76 18631749 1... f6xf4 
!  13    +3.59   35.61 25556785 1... f6xf4 
!  13    +3.59   37.81 27175166 1... f6xf4 2.e3xf4 d7f6 3.d5d1 c8h3 
                                4.g4 f3h4 5.d1f1 h3f3 6.Kg1 f3xf4 
                                7.f1h3 h4f3 8.Kg2 f6xg4 9.h3g3 f4xg3 
                                10.h2xg3 
  <13>   +3.59   38.90 28207947 1... f6xf4 2.e3xf4 d7f6 3.d5d1 c8h3 
                                4.g4 f3h4 5.d1f1 h3f3 6.Kg1 f3xf4 
                                7.f1h3 h4f3 8.Kg2 f6xg4 9.h3g3 f4xg3 
                                10.h2xg3 
  <14>   +3.59    1:00 41329843 1... f6xf4 2.e3xf4 

Computed move :   f6xf4
NPS:              688830
solution found [21/23], time: 8.34, points: 18, nodes: 5777362!
[Diagram of position #24]

Test position #24

Black to move


FEN :          q3kb1r/5p2/2b3p1/r3pn1p/8/1PP1B1P1/P1R1Q2P/2NN1RK1 b - -
Best Move :    h4 
Position ID:  "arasan4.24"

 depth   value    time    nodes pv
    1    -1.37    0.00        4 1... f5xe3 2.d1xe3 
  3/1    -0.61    0.00        7 1... f8a3 
   <1>   -0.61    0.00       54 1... f8a3 
 27/2    -1.00    0.00      534 1... h4 2.g4 
   <2>   -1.00    0.02      709 1... h4 2.g4 
    3    -1.21    0.02     1006 1... h4 2.g4 f5xe3 3.d1xe3 
  3/3    -0.60    0.02     1512 1... c6e4 2.c2b2 f8a3 
   <3>   -0.60    0.02     2029 1... c6e4 2.c2b2 f8a3 
    4    -0.71    0.03     5216 1... c6e4 2.c2d2 f8a3 3.c1d3 
   <4>   -0.71    0.03     8853 1... c6e4 2.c2d2 f8a3 3.c1d3 
    5    -0.60    0.05    15234 1... c6e4 2.b4 e4xc2 3.b4xa5 c2xd1 
   <5>   -0.60    0.06    21862 1... c6e4 2.b4 e4xc2 3.b4xa5 c2xd1 
    6    -0.97    0.09    39252 1... c6e4 2.c2d2 f8a3 3.c1d3 f5xe3 
                                4.d1xe3 
   <6>   -0.97    0.33   153858 1... c6e4 2.c2d2 f8a3 3.c1d3 f5xe3 
                                4.d1xe3 
    7    -0.92    0.45   210804 1... c6e4 2.c2d2 f5xe3 3.d1xe3 h4 
                                4.e2f2 f5 
   <7>   -0.92    0.61   309111 1... c6e4 2.c2d2 f5xe3 3.d1xe3 h4 
                                4.e2f2 f5 
    8    -1.06    0.92   509935 1... c6e4 2.e3b6 e4xc2 3.b6xa5 a8xa5 
                                4.e2xc2 f8c5 5.Kh1 a5a8 6.c2g2 a8a3 
  3/8    -0.88    1.48   828118 1... a5a3 2.c2d2 f6 3.e3b6 a8b7 
                                4.d2d8 Ke7 5.e2f2 h4 6.g4 
   <8>   -0.88    1.75   989281 1... a5a3 2.c2d2 f6 3.e3b6 a8b7 
                                4.d2d8 Ke7 5.e2f2 h4 6.g4 
    9    -0.97    2.86  1657502 1... a5a3 2.c1d3 c6e4 3.c2d2 f6 
                                4.d3c5 f5xe3 5.e2xe3 f8xc5 6.e3xc5 a3xa2 
                                7.d2xa2 a8xa2 8.f1xf6 
  2/9    -0.88    3.70  2191493 1... c6e4 2.c2d2 h4 3.g4 f5xe3 
                                4.d1xe3 a8c6 5.e2f2 h8h7 6.b4 
! 3/9    -0.46    4.30  2569275 1... h4 
!   9    +0.29    5.02  3008372 1... h4 
!   9    +0.15    5.22  3147301 1... h4 2.g3xh4 f5xh4 3.b4 h4f3 
                                4.f1xf3 c6xf3 5.e2f1 f3xd1 6.f1xd1 a5a3 
   <9>   +0.15    5.28  3196238 1... h4 2.g3xh4 f5xh4 3.b4 h4f3 
                                4.f1xf3 c6xf3 5.e2f1 f3xd1 6.f1xd1 a5a3 
   10    +0.51    6.88  4205661 1... h4 2.g3xh4 f5xh4 3.f1f2 c6e4 
                                4.c2b2 f8a3 5.b4 e4f3 6.e2d3 a3xb2 
                                7.b4xa5 
  <10>   +0.51    7.02  4318466 1... h4 2.g3xh4 f5xh4 3.f1f2 c6e4 
                                4.c2b2 f8a3 5.b4 e4f3 6.e2d3 a3xb2 
                                7.b4xa5 
!  11    +0.93   11.14  6981537 1... h4 
!  11    +1.29   16.70 10711201 1... h4 2.g3xh4 f5xh4 3.e3b6 h4f3 
                                4.f1xf3 c6xf3 5.e2f1 h8h5 6.d1e3 h5g5 
                                7.e3g2 f3xg2 8.c2xg2 g5xg2 9.f1xg2 a8xg2 
                                10.Kxg2 
  <11>   +1.29   16.97 10952527 1... h4 2.g3xh4 f5xh4 3.e3b6 h4f3 
                                4.f1xf3 c6xf3 5.e2f1 h8h5 6.d1e3 h5g5 
                                7.e3g2 f3xg2 8.c2xg2 g5xg2 9.f1xg2 a8xg2 
                                10.Kxg2 
   12    +1.34   33.19 22011647 1... h4 2.g4 f5g3 3.e2f2 g3xf1 
                                4.f2xf1 a8c8 5.d1f2 a5a3 6.f1d1 f5 
                                7.g4xf5 g6xf5 8.c2e2 
  <12>   +1.34   33.72 22481638 1... h4 2.g4 f5g3 3.e2f2 g3xf1 
                                4.f2xf1 a8c8 5.d1f2 a5a3 6.f1d1 f5 
                                7.g4xf5 g6xf5 8.c2e2 
   13    +1.26   47.44 32202103 1... h4 2.g4 f5g3 3.e2f2 g3xf1 
                                4.f2xf1 a8c8 5.d1f2 c6f3 6.c1d3 f6 
                                7.d3e1 f3xg4 8.f2xg4 c8xg4 9.e1g2 
  <13>   +1.26   48.80 33401210 1... h4 2.g4 f5g3 3.e2f2 g3xf1 
                                4.f2xf1 a8c8 5.d1f2 c6f3 6.c1d3 f6 
                                7.d3e1 f3xg4 8.f2xg4 c8xg4 9.e1g2 
  <14>   +1.26    1:00 41045255 1... h4 2.g4 f5g3 3.e2f2 g3xf1 
                                4.f2xf1 a8c8 5.d1f2 c6f3 6.c1d3 f6 
                                7.d3e1 f3b7 8.f1d3 f5 9.a4 f8a3 

Computed move :   h4
NPS:              684087
solution found [22/24], time: 4.30, points: 20, nodes: 2569275!
[Diagram of position #25]

Test position #25

White to move


FEN :          5q2/3Q1N1p/r4kp1/4p3/3nb3/1B5P/5PP1/1R4K1 w - -
Best Move :    f4 
Position ID:  "arasan4.25"

 depth   value    time    nodes pv
    1    -1.13    0.02        3 1.b1d1 d4xb3 
 16/1    -0.53    0.02       55 1.f7xe5 Kxe5 
   <1>   -0.53    0.02      287 1.f7xe5 Kxe5 
? 8/2    -1.13    0.02     1384 1.b1d1 d4xb3 
   <2>   -1.13    0.02     1516 1.b1d1 d4xb3 
    3    -1.31    0.02     2147 1.b1d1 d4xb3 2.f7d6 
   <3>   -1.31    0.03     4984 1.b1d1 d4xb3 2.f7d6 
! 9/4    -0.89    0.03     9711 1.f7g5 
!   4    -0.39    0.03    11782 1.f7g5 Kxg5 2.d7g4 Kh6 3.g4h4 Kg7 
                                4.h4xe4 f8f4 5.e4xf4 e5xf4 
   <4>   -0.39    0.05    19774 1.f7g5 Kxg5 2.d7g4 Kh6 3.g4h4 Kg7 
                                4.h4xe4 f8f4 5.e4xf4 e5xf4 
    5    -0.28    0.06    24840 1.f7g5 Kxg5 2.d7g4 Kh6 3.g4xe4 f8e7 
                                4.b3d5 
   <5>   -0.28    0.13    61587 1.f7g5 Kxg5 2.d7g4 Kh6 3.g4xe4 f8e7 
                                4.b3d5 
    6    -0.28    0.14    77910 1.f7g5 Kxg5 2.d7g4 Kh6 3.g4xe4 f8f4 
                                4.b3d5 a6d6 5.e4xf4 e5xf4 
  2/6    -0.11    0.19   104608 1.d7g4 d4xb3 2.g4xe4 f8xf7 3.e4f3 Ke6 
                                4.f3xf7 Kxf7 5.b1xb3 
  7/6    +0.00    0.49   299645 1.f4 d4e2 2.Kh2 e4xb1 3.f4xe5 Kg7 
                                4.f7g5 Kh6 5.g5f7 Kg7 6.f7g5 Kh6 
                                7.g5f7 Kg7 8.f7g5 
   <6>   +0.00    0.52   333664 1.f4 d4e2 2.Kh2 e4xb1 3.f4xe5 Kg7 
                                4.f7g5 Kh6 5.g5f7 Kg7 6.f7g5 Kh6 
                                7.g5f7 Kg7 8.f7g5 Kh6 9.g5f7 Kg7 
                                10.f7g5 Kh6 
    7    +0.00    0.67   428925 1.f4 d4e2 2.Kh2 e4xb1 3.f4xe5 Kg7 
                                4.f7g5 Kh6 5.g5f7 Kg7 6.f7g5 Kh6 
                                7.g5f7 Kg7 8.f7g5 
   <7>   +0.00    0.92   643205 1.f4 d4e2 2.Kh2 e4xb1 3.f4xe5 Kg7 
                                4.f7g5 Kh6 5.g5f7 Kg7 6.f7g5 Kh6 
                                7.g5f7 Kg7 8.f7g5 Kh6 9.g5f7 Kg7 
                                10.f7g5 Kh6 
!   8    +0.42    1.33   917186 1.f4 
!   8    +1.02    2.17  1564463 1.f4 e4xb1 2.f4xe5 Kg7 3.d7xd4 f8e7 
                                4.e6 e7f6 5.d4e3 b1a2 6.e7 f6a1 
                                7.Kh2 
   <8>   +1.02    2.52  1868189 1.f4 e4xb1 2.f4xe5 Kg7 3.d7xd4 f8e7 
                                4.e6 e7f6 5.d4e3 b1a2 6.e7 f6a1 
                                7.Kh2 
!   9    +1.44    4.66  3524104 1.f4 
!   9    +2.19    6.91  5087466 1.f4 
!   9    +2.27    9.25  6734290 1.f4 e4xb1 2.f7g5 d4e2 3.Kh2 f8e7 
                                4.g5xh7 e7xh7 5.d7xh7 e2xf4 6.h7h8 Kf5 
                                7.h8c8 a6e6 8.b3xe6 f4xe6 
   <9>   +2.27    9.94  7382438 1.f4 e4xb1 2.f7g5 d4e2 3.Kh2 f8e7 
                                4.g5xh7 e7xh7 5.d7xh7 e2xf4 6.h7h8 Kf5 
                                7.h8c8 a6e6 8.b3xe6 f4xe6 
!  10    +2.69   18.17 12857466 1.f4 
!  10    +2.77   22.46 16158357 1.f4 e4xb1 2.f7g5 d4f3 3.g5xf3 e5xf4 
                                4.d7d4 Ke7 5.d4e5 Kd7 6.e5b5 Ke7 
                                7.b5b7 Ke8 8.b7xa6 f8c5 9.Kh2 Ke7 
  <10>   +2.77   24.47 17933404 1.f4 e4xb1 2.f7g5 d4f3 3.g5xf3 e5xf4 
                                4.d7d4 Ke7 5.d4e5 Kd7 6.e5b5 Ke7 
                                7.b5b7 Ke8 8.b7xa6 f8c5 9.Kh2 Ke7 
   11    +2.53   37.74 27490559 1.f4 d4e2 2.Kh2 e2xf4 3.d7b5 a6e6 
                                4.b3xe6 f4xe6 5.b1f1 e4f5 6.f7xe5 f8d6 
                                7.f1e1 Kg7 
  <11>   +2.53   44.78 32842994 1.f4 d4e2 2.Kh2 e2xf4 3.d7b5 a6e6 
                                4.b3xe6 f4xe6 5.b1f1 e4f5 6.f7xe5 f8d6 
                                7.f1e1 Kg7 
  <12>   +2.53    1:00 43512449 1.f4 d4e2 2.Kh2 e2xf4 3.d7b5 a6e6 
                                4.b3xe6 f4xe6 5.b1f1 e4f5 6.f7xe5 f8d6 
                                7.f1e1 d6d2 8.e1e2 e6d4 

Computed move :   f4
NPS:              724965
solution found [23/25], time: 0.49, points: 25, nodes: 333664!
[Diagram of position #26]

Test position #26

White to move


FEN :          5rk1/1p1P1ppp/pBn1p1r1/3p4/6P1/RPP4K/7P/4R3 w - -
Best Move :    Ra5 
Position ID:  "arasan4.26"

 depth   value    time    nodes pv
    1    -0.65    0.00        2 1.a3a2 
   <1>   -0.65    0.00       53 1.a3a2 
    2    -0.72    0.02      134 1.a3a2 g6f6 
   <2>   -0.72    0.02      434 1.a3a2 g6f6 
    3    -1.07    0.02     1240 1.a3a2 h5 2.g4xh5 
  4/3    -1.05    0.02     2538 1.a3a4 h5 2.Kg3 h5xg4 3.a4xg4 
  7/3    -0.77    0.02     3382 1.Kg3 h5 2.h3 
   <3>   -0.77    0.03     3827 1.Kg3 h5 2.h3 
    4    -0.78    0.03     4914 1.Kg3 h5 2.h3 Kh7 
   <4>   -0.78    0.05    10516 1.Kg3 h5 2.h3 Kh7 
    5    -0.88    0.06    13662 1.Kg3 h5 2.h3 h5xg4 3.h3xg4 g6f6 
  2/5    -0.84    0.08    20532 1.Kh4 e5 2.b6c7 g6h6 3.Kg3 h6e6 
   <5>   -0.84    0.10    28338 1.Kh4 e5 2.b6c7 g6h6 3.Kg3 h6e6 
    6    -0.79    0.14    43549 1.Kh4 e5 2.b6c7 g6e6 3.e1d1 d4 
   <6>   -0.79    0.21    66731 1.Kh4 e5 2.b6c7 g6e6 3.e1d1 d4 
    7    -0.97    0.28   102811 1.Kh4 e5 2.b6c7 g6h6 3.Kg3 h6e6 
                                4.e1d1 d4 5.c3xd4 e5xd4 
  7/7    -0.79    0.42   159860 1.a3a2 h5 2.g4xh5 g6h6 3.Kg4 f5 
                                4.Kf3 e5 
   <7>   -0.79    0.47   177344 1.a3a2 h5 2.g4xh5 g6h6 3.Kg4 f5 
                                4.Kf3 e5 
    8    -0.88    0.55   214908 1.a3a2 h5 2.g4xh5 g6h6 3.Kg4 f5 
                                4.Kf3 e5 5.b6c7 e4 6.Ke3 h6xh5 
  2/8    -0.82    0.85   337964 1.Kh4 e5 2.b6c7 g6e6 3.e1d1 d4 
                                4.c3xd4 e5xd4 5.d1d3 
   <8>   -0.82    0.94   375296 1.Kh4 e5 2.b6c7 g6e6 3.e1d1 d4 
                                4.c3xd4 e5xd4 5.d1d3 
    9    -0.94    1.47   597506 1.Kh4 e5 2.b6c7 g6e6 3.e1d1 d4 
                                4.c3xd4 e5xd4 5.b4 Kh8 
  2/9    -0.90    1.71   696168 1.a3a2 h5 2.g4xh5 g6h6 3.Kg4 f5 
                                4.Kf3 Kf7 5.a2e2 c6d8 6.h4 h6xh5 
   <9>   -0.90    2.00   822020 1.a3a2 h5 2.g4xh5 g6h6 3.Kg4 f5 
                                4.Kf3 Kf7 5.a2e2 c6d8 6.h4 h6xh5 
   10    -1.10    3.97  1654355 1.a3a2 f5 2.g4xf5 f8xf5 3.Kh4 d4 
                                4.c4 f5f4 5.Kh5 f4f3 6.d7d8Q c6xd8 
                                7.b6xd8 f3xb3 
 5/10    -1.07    6.11  2547254 1.a3a4 h5 2.g4xh5 g6h6 3.b6c7 h6xh5 
                                4.a4h4 h5xh4 5.Kxh4 Kh7 6.Kg4 Kg6 
                                7.c7b6 
  <10>   -1.07    8.17  3417285 1.a3a4 h5 2.g4xh5 g6h6 3.b6c7 h6xh5 
                                4.a4h4 h5xh4 5.Kxh4 Kh7 6.Kg4 Kg6 
                                7.c7b6 
   11    -0.95   10.42  4345642 1.a3a4 h5 2.g4xh5 g6h6 3.a4h4 f5 
                                4.c4 Kf7 5.c4xd5 e6xd5 6.h4f4 h6xh5 
                                7.Kg3 
  <11>   -0.95   13.88  5850967 1.a3a4 h5 2.g4xh5 g6h6 3.a4h4 f5 
                                4.c4 Kf7 5.c4xd5 e6xd5 6.h4f4 h6xh5 
                                7.Kg3 
   12    -0.90   16.42  6965116 1.a3a4 h5 2.g4xh5 g6h6 3.a4h4 f5 
                                4.c4 Kf7 5.b6e3 h6h7 6.c4xd5 e6xd5 
                                7.e3b6 c6d8 
 21/12    -0.62   31.63 13716594 1.a3a5 h5 2.g4xh5 g6f6 3.a5c5 f6f3 
                                4.Kg2 f3d3 5.e1c1 d3d2 6.Kg1 d2b2 
                                7.c5xc6 b7xc6 8.d7d8Q f8xd8 9.b6xd8 b2xb3 
  <12>   -0.62   31.71 13753597 1.a3a5 h5 2.g4xh5 g6f6 3.a5c5 f6f3 
                                4.Kg2 f3d3 5.e1c1 d3d2 6.Kg1 d2b2 
                                7.c5xc6 b7xc6 8.d7d8Q f8xd8 9.b6xd8 b2xb3 
!  13    -0.20   50.44 22128441 1.a3a5 
  <13>   -0.20    1:00 26277751 

Computed move :   a3a5
NPS:              437816
solution found [24/26], time: 31.63, points: 12, nodes: 13753597!
[Diagram of position #27]

Test position #27

Black to move


FEN :          2rr2k1/1Q3ppp/2Rp4/p2Pp3/P1P1q3/8/5PPP/1R4K1 b - -
Avoid Move :    Rxc6 
Position ID:  "arasan4.27"

 depth   value    time    nodes pv
    1    +0.50    0.00        5 1... c8xc6 2.d5xc6 e4xc4 
 23/1    +0.51    0.00       60 1... c8a8 
   <1>   +0.51    0.00      131 1... c8a8 
  2/2    +0.50    0.00      226 1... c8xc6 2.d5xc6 
   <2>   +0.50    0.00      540 1... c8xc6 2.d5xc6 
    3    +0.50    0.00      831 1... c8xc6 2.d5xc6 e4xc4 
   <3>   +0.50    0.02     1828 1... c8xc6 2.d5xc6 e4xc4 
    4    +0.38    0.02     2457 1... c8xc6 2.d5xc6 e4xc4 3.c7 
   <4>   +0.38    0.02     5842 1... c8xc6 2.d5xc6 e4xc4 3.c7 
    5    +0.22    0.03     8170 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8e8 
   <5>   +0.22    0.06    26248 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8e8 
    6    +0.04    0.08    33158 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8f8 
                                4.g3 
   <6>   +0.04    0.16    79889 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8f8 
                                4.g3 
    7    -0.12    0.19    92217 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8f8 
                                4.b1d1 c4e6 5.d1c1 
   <7>   -0.12    0.35   185030 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8f8 
                                4.b1d1 c4e6 5.d1c1 
    8    -0.32    0.44   225986 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8e8 
                                4.b7a8 Kf8 5.b1b8 
  2/8    -0.17    0.61   313756 1... e4f5 2.h3 h5 3.b1b5 e4 
                                4.c5 c8xc6 5.b7xc6 d6xc5 6.b5xc5 
   <8>   -0.17    0.69   359622 1... e4f5 2.h3 h5 3.b1b5 e4 
                                4.c5 c8xc6 5.b7xc6 d6xc5 6.b5xc5 
    9    -0.31    0.89   471249 1... e4f5 2.h3 h5 3.b1b5 Kh7 
                                4.c5 c8b8 5.b7a7 b8a8 6.a7e7 
  2/9    -0.16    1.02   538811 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8e8 
                                4.b7b8 Kf8 5.b1d1 Ke7 6.d1xd6 c4xa4 
   <9>   -0.16    1.10   589265 1... c8xc6 2.d5xc6 e4xc4 3.c7 d8e8 
                                4.b7b8 Kf8 5.b1d1 Ke7 6.d1xd6 c4xa4 
 2/10    -0.40    1.91  1019829 1... e4f5 2.h3 h5 3.b1b6 d8e8 
                                4.b7a6 c8xc6 5.b6xc6 f5c2 6.c6xd6 c2d1 
                                7.Kh2 d1xa4 
  <10>   -0.40    2.36  1275050 1... e4f5 2.h3 h5 3.b1b6 d8e8 
                                4.b7a6 c8xc6 5.b6xc6 f5c2 6.c6xd6 c2d1 
                                7.Kh2 d1xa4 
   11    -0.28    3.86  2098271 1... e4f5 2.h3 h5 3.b1b5 c8xc6 
                                4.d5xc6 f5f4 5.b7b6 d8c8 6.b5xa5 f4c1 
                                7.Kh2 c1f4 
  <11>   -0.28    4.16  2272651 1... e4f5 2.h3 h5 3.b1b5 c8xc6 
                                4.d5xc6 f5f4 5.b7b6 d8c8 6.b5xa5 f4c1 
                                7.Kh2 c1f4 
   12    -0.27    7.44  4052014 1... e4f5 2.h3 h5 3.b1b3 e4 
                                4.c6xc8 d8xc8 5.b7a6 c8c7 6.b3b8 Kh7 
                                7.b8b6 f5d7 8.b6xd6 d7xa4 
  <12>   -0.27    8.39  4571867 1... e4f5 2.h3 h5 3.b1b3 e4 
                                4.c6xc8 d8xc8 5.b7a6 c8c7 6.b3b8 Kh7 
                                7.b8b6 f5d7 8.b6xd6 d7xa4 
  <13>   -0.27    1:00 32039663 1... e4f5 

Computed move :   e4f5
NPS:              533816
solution found [25/27], time: 1.91, points: 25, nodes: 1275050!
[Diagram of position #28]

Test position #28

White to move


FEN :          3r2k1/2qn1ppp/8/1pbrp3/pP1N4/P2P2P1/RB2RP1P/4QK2 w - -
Best Move :    Nxb5 
Position ID:  "arasan4.28"

 depth   value    time    nodes pv
    1    -0.12    0.00       10 1.b4xc5 e5xd4 
   <1>   -0.12    0.00       41 1.b4xc5 e5xd4 
    2    -0.12    0.00       78 1.b4xc5 e5xd4 
  2/2    +0.28    0.00      257 1.d4xb5 c7b8 2.b4xc5 b8xb5 3.b2xe5 d7xc5 
   <2>   +0.28    0.00      481 1.d4xb5 c7b8 2.b4xc5 b8xb5 3.b2xe5 d7xc5 
    3    +0.28    0.00      687 1.d4xb5 c7b8 2.b4xc5 
   <3>   +0.28    0.02     1085 1.d4xb5 c7b8 2.b4xc5 
!   4    +0.70    0.02     3488 1.d4xb5 
!   4    +1.26    0.02     5351 1.d4xb5 c7c6 2.b5c3 c5xf2 3.e2xf2 d5xd3 
   <4>   +1.26    0.03     6519 1.d4xb5 c7c6 2.b5c3 c5xf2 3.e2xf2 d5xd3 
    5    +1.26    0.03     8810 1.d4xb5 c7c6 2.b5c3 c5xf2 3.e2xf2 
   <5>   +1.26    0.03    11391 1.d4xb5 c7c6 2.b5c3 c5xf2 3.e2xf2 
?   6    -0.53    0.14    60310 1.d4xb5 c7c6 2.b2xe5 d5xd3 3.Kg1 c6xb5 
                                4.b4xc5 b5xc5 
? 3/6    -0.52    0.17    81999 1.b4xc5 e5xd4 2.e2e8 d7f8 3.e8xd8 d5xd8 
                                4.e1c1 f8e6 5.c6 
   <6>   -0.52    0.21    99041 1.b4xc5 e5xd4 2.e2e8 d7f8 3.e8xd8 d5xd8 
                                4.e1c1 f8e6 5.c6 
    7    -0.73    0.25   122995 1.b4xc5 e5xd4 2.e2e8 d7f8 3.e8xd8 d5xd8 
                                4.e1c1 f8e6 5.c6 d8e8 
   <7>   -0.73    0.41   209567 1.b4xc5 e5xd4 2.e2e8 d7f8 3.e8xd8 d5xd8 
                                4.e1c1 f8e6 5.c6 d8e8 
    8    -1.03    0.50   267395 1.b4xc5 e5xd4 2.e2e8 d7f8 3.e8xd8 d5xd8 
                                4.e1b4 f8e6 5.b4xb5 e6xc5 6.b2c1 
  2/8    -0.62    0.61   333067 1.d4xb5 c7c6 2.b4xc5 d5xd3 3.Kg1 c6xb5 
                                4.b2xe5 b5xc5 5.e1b4 
   <8>   -0.62    0.77   440500 1.d4xb5 c7c6 2.b4xc5 d5xd3 3.Kg1 c6xb5 
                                4.b2xe5 b5xc5 5.e1b4 
    9    -0.79    1.13   653639 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 d3b3 6.b2xb3 a4xb3 
   <9>   -0.79    1.47   894729 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 d3b3 6.b2xb3 a4xb3 
   10    -0.63    2.00  1253632 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 f5 6.e4g5 
  <10>   -0.63    2.75  1793810 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 f5 6.e4g5 
   11    -0.56    3.92  2661800 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 f5 6.e4g5 d3b3 
                                7.b2d2 
  <11>   -0.56    4.97  3412058 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 f5 6.e4g5 d3b3 
                                7.b2d2 
   12    -0.86    6.53  4524426 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 d7c5 6.e4d2 c5b3 
                                7.d2xb3 a4xb3 
  <12>   -0.86   11.08  7658477 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3e4 d4xb2 5.e2xb2 d7c5 6.e4d2 c5b3 
                                7.d2xb3 a4xb3 
   13    -0.82   15.22 10845709 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3b1 d7c5 5.b2xd4 d3xd4 6.a2c2 d4d1 
                                7.c2xc5 c6e6 8.c5xe5 d1xe1 9.e2xe1 
  <13>   -0.82   20.55 14652237 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3b1 d7c5 5.b2xd4 d3xd4 6.a2c2 d4d1 
                                7.c2xc5 c6e6 8.c5xe5 d1xe1 9.e2xe1 
   14    -1.01   30.77 22678045 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3d1 c6f3 5.b2xd4 e5xd4 6.d1b2 d3xa3 
                                7.e2e8 d8xe8 8.e1xe8 d7f8 9.a2xa3 f3xa3 
  <14>   -1.01    1:00 44560811 1.d4xb5 c7c6 2.b5c3 d5xd3 3.Kg1 c5d4 
                                4.c3d1 c6f3 5.b2xd4 e5xd4 6.d1b2 d3xa3 
                                7.e2e8 d8xe8 8.e1xe8 d7f8 9.a2xa3 f3xa3 

Computed move :   d4xb5
NPS:              742432
solution found [26/28], time: 0.61, points: 25, nodes: 440500!
[Diagram of position #29]

Test position #29

Black to move


FEN :          r2qr3/2pn1pbk/2n3pp/1p1bp3/p7/2PPB1NP/PPBN1PPK/R2QR3 b - -
Best Move :    f5 
Position ID:  "arasan4.29"

 depth   value    time    nodes pv
    1    +0.05    0.00        2 1... d8h4 
   <1>   +0.05    0.00       50 1... d8h4 
    2    +0.03    0.00      111 1... d8h4 2.d2e4 
   <2>   +0.03    0.00      317 1... d8h4 2.d2e4 
    3    -0.24    0.00      807 1... d8h4 2.c4 d5e6 3.c4xb5 
  3/3    +0.04    0.02     1480 1... a3 2.b3 d8h4 
   <3>   +0.04    0.02     1924 1... a3 2.b3 d8h4 
    4    -0.01    0.02     4434 1... a3 2.b4 d8h4 3.c2b3 
   <4>   -0.01    0.03     8375 1... a3 2.b4 d8h4 3.c2b3 
    5    -0.07    0.05    12367 1... a3 2.b4 d8h4 3.c2b3 d5xb3 
                                4.d2xb3 
  2/5    -0.05    0.06    18414 1... d5e6 2.Kg1 a3 3.b3 d8e7 
   <5>   -0.05    0.10    33796 1... d5e6 2.Kg1 a3 3.b3 d8e7 
    6    -0.11    0.14    51071 1... d5e6 2.Kg1 d8f6 3.d2e4 f6e7 
                                4.d1e2 
  2/6    -0.01    0.17    64766 1... a3 2.b4 d8h4 3.d2f3 h4e7 
                                4.g3e4 a8d8 
   <6>   -0.01    0.22    95636 1... a3 2.b4 d8h4 3.d2f3 h4e7 
                                4.g3e4 a8d8 
    7    -0.42    0.35   165582 1... a3 2.b2xa3 d7b6 3.e3xb6 c7xb6 
                                4.c2b3 a8xa3 5.b3xd5 d8xd5 
  2/7    -0.05    0.46   221336 1... d5e6 2.Kg1 c6e7 3.d2e4 e7d5 
                                4.d1e2 d5xe3 5.f2xe3 
   <7>   -0.05    0.61   313403 1... d5e6 2.Kg1 c6e7 3.d2e4 e7d5 
                                4.d1e2 d5xe3 5.f2xe3 
    8    -0.04    0.89   471234 1... d5e6 2.Kg1 d8e7 3.d1f3 a8a6 
                                4.f3e2 a6a8 5.d2e4 a8d8 
 22/8    +0.10    1.88   994945 1... c6d4 2.c2b1 d8h4 3.Kg1 Kg8 
                                4.d2e4 d4e6 5.d1c2 
   <8>   +0.10    1.89  1002039 1... c6d4 2.c2b1 d8h4 3.Kg1 Kg8 
                                4.d2e4 d4e6 5.d1c2 
    9    +0.09    2.60  1440757 1... c6d4 2.c2b1 d8h4 3.d2e4 d4e6 
                                4.c4 d5c6 5.c4xb5 c6xb5 6.b1c2 
   <9>   +0.09    2.81  1600115 1... c6d4 2.c2b1 d8h4 3.d2e4 d4e6 
                                4.c4 d5c6 5.c4xb5 c6xb5 6.b1c2 
   10    +0.14    5.64  3323162 1... c6d4 2.Kg1 d4xc2 3.d1xc2 d8e7 
                                4.c4 d5c6 5.g3e4 a8d8 6.e4c3 b5xc4 
                                7.d3xc4 
  <10>   +0.14    5.99  3584162 1... c6d4 2.Kg1 d4xc2 3.d1xc2 d8e7 
                                4.c4 d5c6 5.g3e4 a8d8 6.e4c3 b5xc4 
                                7.d3xc4 
   11    +0.13   11.44  6869699 1... c6d4 2.g3e2 d4xc2 3.d1xc2 d8e7 
                                4.c4 d5c6 5.d2e4 a8d8 6.e2c3 b5xc4 
                                7.d3xc4 
!5/11    +0.56   18.66 10928541 1... f5 
!  11    +1.18   27.83 15893984 1... f5 2.b3 f4 3.b3xa4 b4 
                                4.g3e4 f4xe3 5.f2xe3 d7f6 6.e4xf6 g7xf6 
                                7.c4 d5e6 
  <11>   +1.18   28.03 15987922 1... f5 2.b3 f4 3.b3xa4 b4 
                                4.g3e4 f4xe3 5.f2xe3 d7f6 6.e4xf6 g7xf6 
                                7.c4 d5e6 
   12    +0.97   38.61 22354899 1... f5 2.c4 d5e6 3.c4xb5 c6b4 
                                4.a3 b4xc2 5.d1xc2 f4 6.g3e4 f4xe3 
                                7.f2xe3 a8a5 8.c2c6 
  <12>   +0.97   39.06 22595124 1... f5 2.c4 d5e6 3.c4xb5 c6b4 
                                4.a3 b4xc2 5.d1xc2 f4 6.g3e4 f4xe3 
                                7.f2xe3 a8a5 8.c2c6 
  <13>   +0.97    1:00 33699733 1... f5 2.c4 d5e6 3.c4xb5 c6b4 
                                4.a3 b4xc2 5.d1xc2 f4 6.g3e4 f4xe3 
                                7.f2xe3 a8a5 8.e1f1 a5xb5 

Computed move :   f5
NPS:              561662
solution found [27/29], time: 18.66, points: 14, nodes: 10928541!
[Diagram of position #30]

Test position #30

White to move


FEN :          2Q5/8/8/8/3kbP1N/2pq3P/6PK/8 w - -
Best Move :    f5 
Position ID:  "arasan4.30"

 depth   value    time    nodes pv
    1    +1.18    0.00        2 1.g4 
   <1>   +1.18    0.00      248 1.g4 
  2/2    +0.86    0.00      621 1.c8d7 Ke3 2.d7xd3 Kxd3 3.g4 
   <2>   +0.86    0.00     1326 1.c8d7 Ke3 2.d7xd3 Kxd3 3.g4 
    3    +0.75    0.00     3824 1.c8d7 Ke3 2.d7e7 d3e2 3.e7c5 Kd3 
  6/3    +0.87    0.02     7712 1.c8h8 Ke3 2.h8e5 c2 3.h4f5 Kd2 
                                4.e5a5 d3c3 
   <3>   +0.87    0.02     8334 1.c8h8 Ke3 2.h8e5 c2 3.h4f5 Kd2 
                                4.e5a5 d3c3 
    4    +0.80    0.06    26465 1.c8h8 Ke3 2.h8h6 d3f1 3.f5 Kd4 
                                4.g4 
  7/4    +0.84    0.08    34169 1.c8c7 d3d2 2.c7e5 Kd3 3.Kg3 
   <4>   +0.84    0.10    37336 1.c8c7 d3d2 2.c7e5 Kd3 3.Kg3 
    5    +0.81    0.11    42046 1.c8c7 d3d2 2.c7e5 Kd3 3.e5b5 Ke3 
                                4.Kg3 
  2/5    +0.82    0.22    94724 1.c8h8 Ke3 2.h8h6 d3d2 3.f5 Kd3 
                                4.h6a6 Kd4 5.f6 Ke5 
  5/5    +0.85    0.31   143508 1.c8d8 Ke3 2.d8g5 d3d6 3.g5g3 Kd2 
                                4.g3f2 Kd3 5.g3 
   <5>   +0.85    0.36   162935 1.c8d8 Ke3 2.d8g5 d3d6 3.g5g3 Kd2 
                                4.g3f2 Kd3 5.g3 
    6    +0.86    0.60   271846 1.c8d8 Ke3 2.d8g5 d3d6 3.g5g3 Kd2 
                                4.g3f2 Kd3 5.g3 c2 6.f2e1 Kd4 
   <6>   +0.86    0.77   357612 1.c8d8 Ke3 2.d8g5 d3d6 3.g5g3 Kd2 
                                4.g3f2 Kd3 5.g3 c2 6.f2e1 Kd4 
  2/7    +0.73    2.44  1173675 1.f5 c2 2.c8d8 Kc3 3.d8a5 Kb2 
                                4.a5e5 Kb3 5.e5b8 Kc3 6.b8h8 Kd2 
                                7.h8h6 
   <7>   +0.73    3.30  1612720 1.f5 c2 2.c8d8 Kc3 3.d8a5 Kb2 
                                4.a5e5 Kb3 5.e5b8 Kc3 6.b8h8 Kd2 
                                7.h8h6 
    8    +0.58    4.36  2130452 1.f5 c2 2.c8d8 Kc3 3.d8a5 Kb3 
                                4.a5c5 d3f1 5.c5e3 Kb2 6.e3d4 Kb3 
                                7.d4b6 Kc3 8.b6c5 Kd2 
   <8>   +0.58    6.22  3153511 1.f5 c2 2.c8d8 Kc3 3.d8a5 Kb3 
                                4.a5c5 d3f1 5.c5e3 Kb2 6.e3d4 Kb3 
                                7.d4b6 Kc3 8.b6c5 Kd2 
    9    +0.52   10.02  5022426 1.f5 c2 2.f6 d3e3 3.h4f3 e4xf3 
                                4.c8xc2 f3e4 5.c2b2 Kd5 6.b2b7 Ke5 
                                7.b7e7 Kd5 8.g4 
   <9>   +0.52   14.02  7321925 1.f5 c2 2.f6 d3e3 3.h4f3 e4xf3 
                                4.c8xc2 f3e4 5.c2b2 Kd5 6.b2b7 Ke5 
                                7.b7e7 Kd5 8.g4 
?  10    +0.20   51.83 27892251 1.f5 c2 2.f6 d3f1 3.h4f3 e4xf3 
                                4.c8xc2 f3e4 5.c2b2 Kd5 6.b2b7 Ke5 
                                7.b7b8 Ke6 8.b8g8 Kd7 9.g8g4 e4f5 
  <10>   +0.20   51.83 27892276 1.f5 c2 2.f6 d3f1 3.h4f3 e4xf3 
                                4.c8xc2 f3e4 5.c2b2 Kd5 6.b2b7 Ke5 
                                7.b7b8 Ke6 8.b8g8 Kd7 9.g8g4 e4f5 
  <11>   +0.20    1:00 32243362 1.f5 c2 2.f6 d3f1 3.h4f3 e4xf3 
                                4.c8xc2 f3e4 5.c2b2 Kd5 6.b2b7 Ke5 
                                7.b7b8 Kd4 8.b8a7 

Computed move :   f5
NPS:              537389
solution found [28/30], time: 2.44, points: 23, nodes: 1612720!
© Steffen A. Jakob