Event: Rapidplay League

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Opponent Rating Result
Robert Dennington 114 1 - 0
Robert Dennington 114 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

114 = (228 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Dave Young 65 1 - 0
Dave Young 65 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

465 = (130 + 400 * (2 - 0)) / 2)