Event: Portsmouth Club Championship

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Opponent Rating Result
Oleg Barantsev 2055 0 - 1
Ekramul Basher 0 1 - 0
Christopher Campbell 1511 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1322 = (3566 + 400 * (2 - 1)) / 3)

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