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Subject: Re: Addressing frequently-discussed Deep Blue issues (from a FHH talk)

Author: Keith Evans

Date: 18:51:51 10/07/02

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Anybody interested should read "M. Campbell et al. / Artificial Intelligence 134
(2002) 57–83"

Appendix has descriptions such as:

...

• Self block: This table assesses how each side’s bishops are restrained by
their own pawn.
• Opp block: This table assesses how each sides’s bishops are restrained by the
opponents’s pawns.
• Back block: This table assesses how doubled pawns can restrain a bishop’s
mobility.
• Pinned: Pins are awarded bonuses depending on the strength of the pin and the
amount of pressure on the pinned piece.
• Mobility: The mobility to each square on the board is summed to produce on
overall mobility score. Each square has 16 possible levels of mobility, from
maximum Black control through maximum White control. The control level and the
square location determine each square’s contribution.

...

Regards,
Keith



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