Event: St Andrews Club Championship

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Opponent Rating Result
Graeme C Reid 116 0 - 1
Edward Stamp 94 0 - 1
Peter Morgan 47 1 - 0
Ian Scott 109 0 - 1
David P Thrun 97 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

13 = (463 + 400 * (2 - 3)) / 5)

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