Event: Doncaster Bell Trophy

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Opponent Rating Result
Phillip J Battye 131 0 - 1
Craig Le Masurier 110 0 - 1
Gerald R Thickett 103 1 - 0
Craig Le Masurier 110 0 - 1
Gerald R Thickett 103 1 - 0
Phillip J Battye 131 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-19 = (688 + 400 * (2 - 4)) / 6)

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