Event: SCCU County Championship: u2050

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Opponent	Rating	Result
Salim Kriman	1984	0 - 1
Adam Robinson	1958	½ - ½
Ian N Heppell	1967	½ - ½

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

1836 = (5909 + 400 * (0 - 1)) / 3)