Event: IM Brown

Opponent Rating Result
Peter Micklethwaite 169 ½ - ½
D Michael Denison 164 ½ - ½
Douglas McKerracher 146 0 - 1
Richard O Callis 144 ½ - ½
Stuart Crosthwaite 158 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

76 = (781 + 400 * (0 - 1)) / 5)

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