Event: Farthing Cup

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Opponent	Rating	Result
David Barlow	0	1 - 0
Paul M Barber	0	½ - ½
Peter JE Ackley	0	½ - ½

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

133 = (0 + 400 * (1 - 0)) / 3)