Event: Kenneth Appleby

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Opponent Rating Result
S Neil Bolton 79 1 - 0
Dan Tanham 0 1 - 0
Ian D Strickland 122 1 - 0
Peter Saunders 109 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

278 = (310 + 400 * (3 - 1)) / 4)

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