Event: 4-Board Division 2

Opponent Rating Result
Saman Khoshnaw 149 0 - 1
A Peter Owst 139 1 - 0
Derek A Sheppard 135 1 - 0
Scott Nicholson 163 ½ - ½
Oleg Dukalev 144 ½ - ½
Keith Thompson 162 0 - 1
Dave M Cooper 121 1 - 0
Richard Atkinson 126 1 - 0
Tim M Turner 167 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

234 = (1306 + 400 * (4 - 2)) / 9)

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