Event: Division RP2

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Opponent Rating Result
Scott Leadbetter 1829 ½ - ½
Martin Parsley 202 1 - 0
Scott Leadbetter 1829 0 - 1
Martin Parsley 202 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

916 = (4062 + 400 * (1 - 2)) / 4)

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