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Subject: Testposition - Good Night Bad Bishop

Author: Sune Larsson

Date: 08:17:38 02/25/01



  [D]8/5b2/1k2p1p1/2NpP1P1/1K1P4/8/8/8 w - - 0 1


  In this position white's knight is far superior to black's bishop. This is
  very old knowledge and white is winning this one. People that play French
  as black might have nightmares of positions like this. The black bishop
  can only defend the two weak pawns on e6,g6 or wander around like a ghost
  on the white squares.

  These are the evals from some programs - PIII 800 - 3 min thinking time.
  The higher +score the better. Remember, white has a won position.
  And it's about evaluating a superior horse vs a bad, bad bishop.

  [1.Na4+ Kc6 2.Ka5 Kb7 3.Nc5+ Kc7 (3.-Ka7 4.Kb5 Be8+ 5.Kb4 Bf7 6.Ka5 Bg8 7.Kb5)
   4.Kb5 Be8+ 5.Ka6 Bf7 6.Nb7 Be8 7.Ka7 Bf7 8.Nd6 Bg8 9.Ka6 Kc6 10.Ka5 Bh7
   11.Nf7 Bg8 12.Nh8 Bh7 13.Ka6 Kc7 14.Kb5 Kb7 15.Kc5 Kc7 16.Nf7 Bg8 17.Nd6 Bh7
   18.Ne8+ Kd8 19.Nf6 and wins]


  1) AnMon 5.07         +1.05
  2) Deep Fritz         +1.00
  3) Fritz 6            +0.97
  3) Nimzo 7.32         +0.97
  5) Nimzo 8            +0.90
  6) Phalanx 22         +0.86
  7) SOS                +0.80
  8) Crafty 18.01       +0.54
  9) CM8K               +0.51
 10) Hiarcs 7.32        +0.48
 11) Fritz 5.32         +0.47
 12) Century 3          +0.43
 13) Gandalf 4.32g      +0.36
 14) Junior 6           +0.32
 15) Junior 5           +0.27
 16) Gromit 3.1         +0.26
 17) Chess Tiger        +0.18

 Sune




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