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Event: Summer Rapid Play

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Opponent Rating Result
Jay McIntyre 0 0 - 1
Maud Pogson 0 1 - 0
Nicola Boundy 1441 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

614 = (1441 + 400 * (2 - 1)) / 3)

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