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Subject: Re: A test position of true beauty! All engines seems to have trouble with

Author: Richard Pijl

Date: 04:22:39 12/19/02

Go up one level in this thread


On December 18, 2002 at 20:16:26, robert flesher wrote:

>[D]4rb2/1p1q1ppk/p1n1p2p/2p1Pn2/3PNR2/2P2K2/P2QBP2/6R1 w - - 0 1

On a slow PII-500 Baron (development version) sees it in 7.5 minutes:

 ply       time     nodes  score  pv

  4( 9)-      0     16740    -54  f4f5 e6f5
  4( 9)&      0     21318    -94  f3g2 c5d4 c3d4 f5d4 e4d6
  4( 9).      0     28873    -94  f3g2 c5d4 c3d4 f5d4 e4d6
  5(10)&      0     34817   -102  f3g2 c5d4 e4g3 d7d5 e2f3 d5e5
  5(12).      0     71116   -102  f3g2 c5d4 e4g3 d7d5 e2f3 d5e5
  6(12)&      1     87699    -96  f3g2 c5d4 e4g3 d7d5 e2f3 d5e5 f3c6
  6(14).      2    178513    -96  f3g2 c5d4 e4g3 d7d5 e2f3 d5e5 f3c6
  7(16)&      3    272650    -85  f3g2 c5d4 c3d4 c6d4 e2h5 h7h8 g2h1 f8a3
  7(16).      5    506524    -85  f3g2 c5d4 c3d4 c6d4 e2h5 h7h8 g2h1 f8a3
  8(16)&      8    686282    -85  f3g2 c5d4 c3d4 h7h8 e2h5 c6d4 h5f7
  8(17).     14   1213987    -85  f3g2 c5d4 c3d4 h7h8 e2h5 c6d4 h5f7
  9(18)&     24   2101744   -113  f3g2 c5d4 c3d4 c6d4 e2h5 e8c8 g1d1 h7g8 e4d6
f8d6
  9(18).     47   4213995   -113  f3g2 c5d4 c3d4 c6d4 e2h5 e8c8 g1d1 h7g8 e4d6
f8d6
 10(20)&     79   7254633    -98  f3g2 c5d4 c3d4 c6d4 e2h5 e8c8 g1d1 h7g8 g2g1
f8a3 f4g4
 10(20).    143  12923486    -98  f3g2 c5d4 c3d4 c6d4 e2h5 e8c8 g1d1 h7g8 g2g1
f8a3 f4g4
 11(21)&    245  22437405   -100  f3g2 c5d4 c3d4 c6d4 e2h5 e8c8 g1d1 h7g8 g2g1
f8a3 e4d6 a3d6
 11(23)+    441  40917954    -68  f4f5
 11(23)&    553  51741500     10  f4f5 c6d4 c3d4 e6f5 d2h6 h7h6 g1h1 h6g6 f3f4
d7c6 e2h5 g6h7 h5f7 c6h6 h1h6 h7h6 f7e8 f5e4 d4d5
 11(23).    599  56180776     10  f4f5 c6d4 c3d4 e6f5 d2h6 h7h6 g1h1 h6g6 f3f4
d7c6 e2h5 g6h7 h5f7 c6h6 h1h6 h7h6 f7e8 f5e4 d4d5
 12(23)+    967  92658227     40  f4f5
 12(23)&   1157 111649074     42  f4f5 c6d4 c3d4 e6f5 d2h6 h7h6 g1h1 h6g6 f3f4
d7c6 e2h5 g6h7 h5f7 c6h6 h1h6 h7h6 f7e8 f5e4 d4d5 g7g6
 12(24).   1298 124947208     42  f4f5 c6d4 c3d4 e6f5 d2h6 h7h6 g1h1 h6g6 f3f4
d7c6 e2h5 g6h7 h5f7 c6h6 h1h6 h7h6 f7e8 f5e4 d4d5 g7g6
 13(25)+   1972 189752665     72  f4f5

Richard.



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