Event: Dudley Townshend Trophy

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Opponent	Rating	Result
Michele J Clack	108	1 - 0
Joe Dodgson	126	0 - 1
Peter W Lawrence	135	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

256 = (369 + 400 * (2 - 1)) / 3)