test positions for weak playing engines only

[Henk]

Rook on open file and backward pawn were missing.

Code: Select all

Depth  Value   Time(seconds)   Nodes
 12      0.00      43.09     1596440   d4d5 d8e8 f2f3 c6c5 b3d2 e7c6 d2b3 c6b4 c3e3 f8e7 c1c4 e7f6 
 11      0.03      28.42      976649   d4d5 d6f6 f2f3 c6c5 f3e3 g7g5 h5g6 f7g6 c3d3 f6d6 
 10      0.00      12.35      425067   d4d5 d6f6 f2f3 g7g5 h5g6 f7g6 b3d4 g6g5 d4c6 f6f4 
  9      0.01      12.45      425559   d4d5 d8e8 f2f3 c6c5 c3d3 e8d8 b3d2 e7c6 d2c4 
  8     -0.40       3.69      125478   d4d5 d6f6 f2e3 c6d5 g4g5 f6e6 b3d4 
  7      0.01       8.72      302892   d4d5 d6f6 f2f3 g7g5 h5g6 f7g6 
  6     -0.01       2.82       99208   d4d5 d6d7 d5c6 d7d1 c1d1 
  5     -0.39       3.13      115286   d4d5 d6f6 f2f3 f6d6 b3d4 
  4     -0.40       0.65       14882   d4d5 d8e8 b3d4 d6f6 
  3     -0.58       0.14        3879   d4d5 d6f6 f2f3 
  2     -0.59       0.05         925   f2e3 d6e6 
  1     -0.59       0.02          85   d4d5 

 

[mvk]

Code: Select all

R7/2p2rpk/1p4np/3Pp3/4BPq1/6P1/2Q2BK1/8 w - - bm Bxg6; c0 "Winning Chess by Chernev & Reinfeld, 175A, slightly modified";

Nice set. It seems that fxe5 is an alternative bm in this position btw. And there are more that win.

[d] R7/2p2rpk/1p4np/3Pp3/4BPq1/6P1/2Q2BK1/8 w - -

[Henk]

Parsing fun (not):

Rfxg6+

Code: Select all

3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - - bm Rfxg6+; id "WAC.255";

[d] 3r3r/p4pk1/5Rp1/3q4/1p1P2RQ/5N2/P1P4P/2b4K w - -

[Henk]

Anything wrong with f6g6 ?