Event: Max 480

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Opponent Rating Result
Steve Crees 99 1 - 0
Peter W Leary 120 0 - 1
Steve Crees 99 0 - 1
Peter W Leary 120 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

10 = (438 + 400 * (1 - 2)) / 4)

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