Event: IM Brown

Opponent Rating Result
William Pinder 105 1 - 0
Scott Gornall 0 1 - 0
Simon Skinner 121 1 - 0
Andy J Bagley 158 0 - 1
Darren McCarthy 122 1 - 0
Anthony Ibbitson 139 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

308 = (645 + 400 * (4 - 1)) / 6)

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