Event: HDCA Summer League Division 2

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Opponent Rating Result
Bryan Wilson 112 0 - 1
David J Gibson 114 1 - 0
Nick Whetton 125 1 - 0
Lester Jones 109 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

215 = (460 + 400 * (2 - 1)) / 4)

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