Event: Gambit Rapidplay

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Opponent Rating Result
Charles Baylis 1503 1 - 0
Charles Baylis 1503 1 - 0
Felipe Almeida Lessa 1758 0 - 1
Felipe Almeida Lessa 1758 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1831 = (6522 + 400 * (3 - 1)) / 4)

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