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From: matt@oddjob.UUCP (Matt Crawford)
Newsgroups: net.puzzle
Subject: Re: Modified pennies puzzle (SPOILER)
Message-ID: <1185@oddjob.UUCP>
Date: Thu, 20-Feb-86 17:33:41 EST
Article-I.D.: oddjob.1185
Posted: Thu Feb 20 17:33:41 1986
Date-Received: Fri, 21-Feb-86 07:48:31 EST
References: <953@houxa.UUCP> <480@faron.UUCP>
Reply-To: matt@oddjob.UUCP (Matt Crawford)
Organization: U. Chicago, Astronomy & Astrophysics
Lines: 16

In article <480@faron.UUCP> meister@faron.UUCP (Philip W. Servita) writes:
>Better Problem: (for this problem, assume the Penny Width (PW) to be the 
>unit of distance) Two players are about to play this game on a round table 
>of diameter N PW, for unknown N. Unfortunately, a Malicious Mathematician has 
>Krazy Glued a penny to position (0,.5PW). Determine the set of real numbers N
>for which this game is a first player win.

The first player wins for all N >= 2.  (I.e., if the first
player has a legal play, then it's a win.)  Strategy: play
the first penny at (0,-.5PW), then preserve the C-2 axis of
symmetry.

This seems too easy.  Did I overlook something?
_____________________________________________________
Matt		University	crawford@anl-mcs.arpa
Crawford	of Chicago	ihnp4!oddjob!matt