Event: Beverley Club Championship

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Opponent Rating Result
Stephen Philp 125 1 - 0
Bruce R Oliver 134 ½ - ½
Douglas Vleeshhouwer 172 0 - 1
Esmond Harding 74
performance = (sum(opponents ratings) + 400(wins-losses)) / games

144 = (431 + 400 * (1 - 1)) / 3)

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