Event: Dudley Townshend Trophy

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Opponent	Rating	Result
Ian M Truscott	121	½ - ½
Ray Hall	126	1 - 0
Peter W Leary	133	0 - 1

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

127 = (380 + 400 * (1 - 1)) / 3)