Event: Winter Rapid

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Opponent Rating Result
Luke Fisher 1310 1 - 0
John Grant 1449 1 - 0
Craig Cowley 1375 ½ - ½
Cosmin-Constantin Arapu 1733 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1567 = (5867 + 400 * (2 - 1)) / 4)

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