Event: Division 3 West

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Opponent Rating Result
David Graham 104 1 - 0
Roger Fenton 103 0 - 1
Michael E Cooper 104 1 - 0
Philip Reed 110 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

305 = (421 + 400 * (3 - 1)) / 4)

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