Event: Beverley Club Championship

Opponent Rating Result
Graham Lee 113 1 - 0
R Malcolm Hara 124 1 - 0
Douglas Vleeshhouwer 166 0 - 1
Tim M Turner 161 ½ - ½
Michael C Hackett 115 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

216 = (679 + 400 * (2 - 1)) / 5)

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