Event: Dudley Townshend Trophy

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Opponent	Rating	Result
Shammas Tabraiz	91	1 - 0
Paul Kelly	111	1 - 0
Alan T Woollaston	118	0 - 1

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

240 = (320 + 400 * (2 - 1)) / 3)