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Subject: Re: How many Programs will keep the Knight by playing 1Nd4!

Author: Thomas McBurney

Date: 08:36:10 04/19/03

Go up one level in this thread


On April 19, 2003 at 09:26:40, Jorge Pichard wrote:

>A knight is usually preferable to a bishop with pawns on one side of the board,
>because a Knight can attack any pawn and can chase the king from any square.
>Notice that the ability to go to any color is more important than the long range
>power of the bishop.
>
>[D]8/8/3k4/3p2n1/b3p1p1/1N2PpP1/2BK1P2/8 w - - 0 1



Here are some results from engines using BASIC power!



Deep BASIC...

  1.       0s     2.03 ( 2) B3D4 A4B5
  1.       0s    -1.07 ( 2) B3D4 A4C6
  1.       0s    -1.08 ( 3) B3D4 A4C6 D4C6
  1.       0s    -1.07 ( 3) B3D4 A4C6 D4F5
  1.       0s    -1.05 ( 3) B3D4 A4C6 C2B3
  1.       0s    -1.06 ( 3) B3D4 A4C2 D2C2
  1.       0s    -1.06 ( 4) B3D4 A4C2 D2C2 G5F7
  1.       0s    -1.08 ( 4) B3D4 A4C2 D2C2 G5E6
  1.       0s    -1.10 ( 4) B3D4 A4C2 D2C2 D6C7
  1.       0s    -3.14 ( 5) B3D4 A4C2 D2C2 D6C7 D4F3
  1.       0s    -1.12 ( 5) B3D4 A4C2 D2C2 D6C7 D4F5
  1.       0s    -1.08 ( 5) B3D4 A4C2 D2C2 D6C7 D4B5
  1.       2s    -1.12 ( 6) B3D4 A4C2 D2C2 D6C7 D4B5 C7B8
  1.       2s    -1.10 ( 6) B3D4 A4C2 D2C2 D6C7 C2B3 G5F7
  1.       2s    -1.11 ( 6) B3D4 A4C2 D2C2 G5E6 C2C3 E6D4
  1.      17s    -1.11 ( 7) B3D4 A4C2 D2C2 G5E6 C2C3 E6D4 E3D4
  1.      17s    -1.10 ( 7) B3D4 A4C2 D2C2 G5E6 D4F5 D6E5 F5E7
  1.      18s    -2.31 ( 7) B3D4 A4C2 D2C2 G5H3 C2C3 H3F2 D4F5
  1.      21s    -1.11 ( 7) B3D4 A4C2 D4C2 G5E6 C2D4 E6D4 E3D4
  1.     283s    -0.06 ( 8) B3D4 A4C2 D4C2 G5E6 C2D4 E6D4 E3D4 E4E3
  1.     283s    -1.11 ( 8) B3D4 A4C2 D4C2 G5E6 C2D4 E6D4 E3D4 D6C7
  1.     283s    -1.12 ( 8) B3D4 A4C2 D4C2 G5E6 C2D4 E6C5 D4F5 D6C6



Minimax chess engine...

  1    -11      36           4  c2d1
  1    -11      36          13  d2c1
  2     -5      36          51  d2c1 d6c7
  2     -5      36          99  b3d4 a4c2
  3    -19      36         182  b3d4 a4c2 d2c2 d6c7
  3    -19      37         345  d2c1 g5h3
  4   -162      39        1279  d2c1 g5h3 c1b1 h3f2
  4   -162      40        2168  b3d4 a4c2 d2c2 g5h3 d4b5 d6c6
  4   -162      43        3676  b3a5 a4c2
  4   -162      44        4280  b3a1 a4c2
  5    -35      46        5067  b3a1 a4c2 a1c2 g5h3 d2e1 d6c7
  5    -35      47        5975  b3a5 a4c2
  5    -35      49        7115  b3d4 a4c2
  5    -35      56       10110  c2d1 d6c7 d2c2 c7b8 c2b1
  5    -35      62       12842  d2d1 d6c7
  6    -57      89       24865  d2d1 d6c7 d1e1 c7b8 e1f1 a4c6
  6    -57     127       42368  c2d1 g5h3 d2e1 d6c7 e1f1 c7b8
  6    -57     150       55926  b3d4 a4c2 d4c2 g5h3 d2e1 d6c7 e1f1
  7    -21     195       79335  b3d4 a4c2 d4c2 d6c5 d2e1 c5b5 c2d4 b5a6 e1f1
  8    -17     479      234043  b3d4 a4c2 d4c2 g5h3 d2e1 d6c6 e1f1 c6b7 c2d4
  9    -20    1213      636828  b3d4 a4c2 d4c2 d6c5 d2d1 c5d6 c2b4 g5h3 d1e1
h3g5
 10     -8    6133     3304045  b3d4 a4c2 d4c2 d6c5 d2e1 c5c6 e1f1 g5h3 c2b4
c6d6 b4a6 d6c6
 11    -23   16553     8960601  b3d4 a4c2 d4c2 d6c5 d2e1 g5h3 e1f1 c5b5 f1e1
b5a5 e1f1 a5a6



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