Event: Div1

Opponent Rating Result
Shane Bhayat 162 1 - 0
Alan F Downham 162 ½ - ½
Geoffrey D Brown 146 0 - 1
Ross Murphy 149 1 - 0
Derek A Jarvis 178 ½ - ½
Mike Alcock 163 0 - 1
Geoffrey D Brown 146 1 - 0
David WW Gunter 0 ½ - ½
Alan F Downham 162 1 - 0
Steven J Burke 172 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

184 = (1440 + 400 * (4 - 3)) / 10)

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