Event: Ipswich Chess Club Championship

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Opponent Rating Result
Alex Bujnowski 1468 0 - 1
David Wright 1718 1 - 0
Ashraf Elhusseiny 1500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1429 = (4686 + 400 * (1 - 2)) / 3)

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