Event: Taunton Club IT

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Opponent Rating Result
Martyn J Maber 109 0 - 1
Philip Reed 106 1 - 0
Christopher P Greenaway 126 1 - 0
Jerry Kilby 134 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

119 = (475 + 400 * (2 - 2)) / 4)

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