Event: MCA Division 2

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Opponent Rating Result
Danny Green 1603 ½ - ½
John W Southcote 1555 1 - 0
David Williams 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1053 = (3158 + 400 * (1 - 1)) / 3)

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