Event: IM Brown

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Opponent Rating Result
Paul Solomons 155 0 - 1
Zak Farley 144 1 - 0
Ismet Berisha 139 0 - 1
Jim E Vickery 169 ½ - ½
Ian D Strickland 124 0 - 1
Clive W Davies 159 0 - 1
Norman G Andrews 128 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

31 = (1018 + 400 * (2 - 4)) / 7)

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