Event: Dudley Townshend Trophy

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Opponent Rating Result
Chandrahas Nalabotu 0 1 - 0
Geoff Harman 97 ½ - ½
David J Friend 114 1 - 0
Rich Wiltshir 144 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

189 = (355 + 400 * (2 - 1)) / 4)

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