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Subject: Re: Mobility Records

Author: Robert Hyatt

Date: 05:40:08 04/20/00

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On April 20, 2000 at 07:38:01, guy haworth wrote:

>The "Guinness Book of Chess Records" notes the following records for mobility.
>Unfortunately, it does not give the positions behind these records.  Maybe
>others here can do that.
>
>MAXIMUM MOBILITY
>
>32 men in legal position (no promoted pawns) ...
>    164 moves:  Oskar E. Vinje, Fairy Chess Review (1939)
>
>A legal position, allowing obtrusive (i.e. 'created by promotion') force ...
>    324 moves:  Nenad Petrovic, Fairy Chess Review (1946)
>


this number seems wrong.  Several have looked at this over the years, with a
best number of something like 218 or 219.  I have _never_ seen a position,
contrived of legal pieces, where the mobility was that high...




>Maximum number of mates in one move ...
>    47 moves:  Pollmacher, Schurig et al, Illustrirte Zeitung (1859)
>
>MINIMUM MOBILITY
>
>32 men in legal position ...
>    2 moves:  Thomas Rayner Dawson, Chess Amateur (1923)
>
>30 men in legal position ...
>    0 (zero) moves:  Gustavus Charles Reichhelm, Brentano's Chess Mag (1882)
>
>G



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