Event: SCCU County Championship: U2050

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Opponent	Rating	Result
Mark Houghton	0	½ - ½
David J White	1863	1 - 0
Nicholas D Grey	1795	½ - ½

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

1353 = (3658 + 400 * (1 - 0)) / 3)