Event: Summer League Section 2b

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Opponent Rating Result
Benedikt Pitel 1501 0 - 1
David J Gibson 1541 ½ - ½
Dan Malbon 1350 1 - 0
Xiaofan Li 1550 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1386 = (5942 + 400 * (1 - 2)) / 4)

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