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Subject: Re: Bad bishop

Author: Jeremiah Penery

Date: 13:30:56 10/18/03

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On October 18, 2003 at 14:26:25, Dan Andersson wrote:

> As far as I could figure it out it is a blocked position. Haven't changed my
>mind after half an hour of computer assisted analysis. There are some subtle
>points and lots of manouvering. But no progress.

Yes, I think it's completely blocked.

Modified Crafty with blockage detection:

21->   9:08   0.00   1. ... Be7 2. Bb4 Bd8 3. Ke4 Ba5 4.
                     Kd4 Bxb4 5. axb4 Kb7 6. h6 Kc7 7. Ke4
                     Kd7 8. Kd4 Kc7

Elapsed Time: 10:14, CPU Time: 9:36, CPU Use: 93%
Nodes: 303633068, Evaluations: 146898875, FH%: 95%, NPS: 494k
EXTENSIONS->
    Threat: 3343, Check: 11263517, One Move: 205946
    Passed Pawn: 3424031, Recapture: 916340
PRUNING->  Futility: 30755285, Razors: 60069
TABLEBASES-> Probes: 55, Successful: 12
HASHING->
    Raw Hits: 36% (39797408/108975337)
    Good Hits: 33% (36590984/108975337)
    Pawn Hits: 99% (155472694/156212928)
    Filled: 99%
    EXACT Hits: 0% (400)
    LOWER Hits: 25% (27423289)
    UPPER Hits: 7% (8674284)



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