Event: Ipswich Chess Club Championship

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Opponent Rating Result
Tom Gordon 1772 0 - 1
Piotr Dolewka 1616 1 - 0
Odetta Kaminskiene 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1263 = (3388 + 400 * (2 - 1)) / 3)

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