Event: OTB Rapid Championship

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Opponent Rating Result
Tu Senan 1574 0 - 1
David Brittain 1469 1 - 0
Michael GA Wilson 1607 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1417 = (4650 + 400 * (1 - 2)) / 3)

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