Event: U1650 Rapid

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Opponent Rating Result
Huw D Jacob 1405 0 - 1
Ted Nicholson 690 ½ - ½
Ralph McHugh 1262 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

852 = (3357 + 400 * (0 - 2)) / 3)

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Opponent Rating Result
A Fin O'Regan 975 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1375 = (975 + 400 * (1 - 0)) / 1)