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From: wildgoos@danno (E.A. Wildgoose)
Subject: Re: Reversi / Othello
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References: <3nsd6l$dnm@linda.teleport.com> <3p02hd$19qg@columba.udac.uu.se> <3pafbq$43v@ia.mks.com> <SUMMERS.95May21191253@phenxr.phenxr.physics.wisc.edu> <3pua60$642@ia.mks.com>
Date: Wed, 24 May 1995 16:05:51 GMT
Lines: 34

Timothy D. Prime (tim@mks.com) wrote:
: In article <SUMMERS.95May21191253@phenxr.phenxr.physics.wisc.edu>,
: David Summers <summers@phenxr.phenxr.physics.wisc.edu> wrote:
: >Now consider an odd region into which white player can't play .... this
: >is particularly powerful for black, as he can keep this odd
: >region till late in the game and use it to force other regions to be
: >odd. In doing this he will probaly play out the other regons on the
: >board (they are odd in total as black plays with an even number of
: >squares open) and so black has parity in those other regions. Having
: >played them out there is just the single odd region left on the board
: >into which white can't play - so he passes. Now in othello black would
: >get the last play in that region, and so have a parity advanatge.
: >However in Reversi Black runs out of disks before the end (as white
: >has passed) and so white plays the last 2 moves. This gives the
: >advanatge to white.

: Many sealed of regions are of size one.  Black can simply avoid these
: if they are not required for the win.  Many other types of sealed of
: regions can be converted into the size one variety.

: Either way, white will play fewer moves than black in such parity battles.


This sounds interesting, I didn't see the first article.  Would someone be kind
enough to mail me a copy, or repost it.

Cheers,

	Ed.





