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Re: [Bug-gnubg] Ratings as random walks

From: Nis Jorgensen
Subject: Re: [Bug-gnubg] Ratings as random walks
Date: Mon, 16 Jun 2003 09:55:05 +0200

--On 15 June 2003 15:11 -0700 Rod Roark <address@hidden> wrote:

I would be very surprised to see the bot produce any ratings below
1850 or above 2200.

You shouldn't. It is clear that there is a small but non-zero proabbility for this to happen within the next 100 games. Thus as the number of games approaches infinity, the probability of achieving such a rating approaches 1 (and we all die of old age).

Nis Jorgensen

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