Event: Division 3 West

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Opponent Rating Result
Roger Fenton 108 1 - 0
David Graham 100 1 - 0
Alex Keen 92 ½ - ½
Robert D Harris 109 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

302 = (409 + 400 * (2 - 0)) / 4)

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