Event: Beverley Club Championship

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Opponent Rating Result
Edward S Oxley 142 0 - 1
Esmond Harding 74 ½ - ½
Stephen Philp 125 ½ - ½
David J Gibson 113 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

14 = (454 + 400 * (0 - 1)) / 4)

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