Event: IM Brown

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Opponent Rating Result
Steve J Mann 157 ½ - ½
Siefaldin A Holi 151 1 - 0
Rob Letton 139 1 - 0
Neville R Pearce 140 ½ - ½
Phil R Watson 192 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

236 = (779 + 400 * (2 - 1)) / 5)

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