Event: IM Brown

Opponent Rating Result
Bruce R Oliver 134 0 - 1
Martin J Sheard 158 1 - 0
Mark Harris 154 ½ - ½
Dominic Gallagher 115 ½ - ½
Norman Carr 99 1 - 0
Robert A Dean 148 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

268 = (808 + 400 * (3 - 1)) / 6)

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