Event: IM Brown

Opponent Rating Result
Phillip J Battye 134 0 - 1
John Brooke 113 0 - 1
Dean Hepworth 109 1 - 0
Sean Keddie 0 1 - 0
Howard Brears 107 0 - 1
John Eagers 109 1 - 0
Steve Withington 127 0 - 1
David A Patrick 160 0 - 1
Stuart M Johnson 114 0 - 1
Dave Colledge 119 0 - 1
R Malcolm Hara 124 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1 = (1216 + 400 * (4 - 7)) / 11)

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