Event: IM Brown

Opponent Rating Result
Ismet Berisha 147 0 - 1
Ben D Science 131 0 - 1
Chris R Tinker 131 1 - 0
David Keddie 169 1 - 0
Herbert Lockwood 146 0 - 1
Michael A Fox 128 ½ - ½
John R Mercy 157 ½ - ½
Richard J Webster 171 0 - 1
Peter Rawcliffe 143 ½ - ½
Michael I Connor 149 0 - 1
Michael A Pollard 133 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

73 = (1605 + 400 * (3 - 5)) / 11)

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