Event: Ipswich Chess Club Championship

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Opponent Rating Result
Alonso Paez 1602 ½ - ½
Odetta Kaminskiene 0 0 - 1
Adam Wilson 1417 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

873 = (3019 + 400 * (0 - 1)) / 3)

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