Event: Ramsgate Southwood Cup

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Opponent	Rating	Result
Joshua Vaughan	101	½ - ½
Bob Wallace	100	1 - 0
Paul Worledge	125	0 - 1
Joshua Vaughan	101	1 - 0
Bob Wallace	100	1 - 0

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

265 = (527 + 400 * (3 - 1)) / 5)