Event: Spring OTB U1451 Rapid

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Opponent Rating Result
James Marshall 1200 0 - 1
Roland Mihalovits 1319 ½ - ½
James Marshall 1200 0 - 1
Roland Mihalovits 1319 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1160 = (5038 + 400 * (1 - 2)) / 4)

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