Event: IM Brown

Opponent Rating Result
Mike Farley 123 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

123 = (123 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Andy Ross 132 0 - 1
Bien Cuaresma 139 ½ - ½
Geoffrey D Brown 148 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-127 = (419 + 400 * (0 - 2)) / 3)