Event: SCCU County Championship: U1850

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Opponent	Rating	Result
Pablo Soriano	1800	1 - 0
Roy Batchelor	0	0 - 1
V Ray Harper	1825	1 - 0

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

1342 = (3625 + 400 * (2 - 1)) / 3)