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Subject: Re: Testposition - Good Night Bad Bishop

Author: Enrique Irazoqui

Date: 08:48:54 02/25/01

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On February 25, 2001 at 11:39:18, Enrique Irazoqui wrote:

>On February 25, 2001 at 11:17:38, Sune Larsson wrote:
>
>>
>>  [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
>
>Deep Shredder 5 beta +0.75

After 12 minutes, ply 31, Deep Shredder climbs to +1.49.

Enrique

>Junior 7 beta +0.53
>
>Enrique



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