Event: NCCA League Division 4

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Opponent Rating Result
Mark Nicholls 1421 0 - 1
Guy Bronze 1200 ½ - ½
Saroosh Irani 1115 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1245 = (3736 + 400 * (1 - 1)) / 3)

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