Event: IM Brown

Opponent Rating Result
Steve J Mann 157 1 - 0
Neil Griffiths 129 0 - 1
Mark Waterhouse 136 0 - 1
Mitchell R Burke 176 0 - 1
Paul W Anderson 145 0 - 1
Stuart Crosthwaite 158 0 - 1
Robert A Newton 179 0 - 1
Graham J Wilson 145 0 - 1
John M Allan 165 0 - 1
John Grasham 129 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-168 = (1519 + 400 * (1 - 9)) / 10)

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