Event: Doncaster Bell Trophy

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Opponent Rating Result
Gordon Harrison 88 0 - 1
Gordon Harrison 88 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-112 = (176 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
A David Smart 122 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-278 = (122 + 400 * (0 - 1)) / 1)