Event: NCCA League Division 4

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Opponent Rating Result
Anne Louise Bishop 1442 ½ - ½
Tony R Larner 1466 0 - 1
Ben Payne 1241 0 - 1
Thomas Hsia 1400 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1187 = (5549 + 400 * (0 - 2)) / 4)

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