Event: SCCU County Championship: u2050

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Opponent	Rating	Result
Johan Rydahl	1923	½ - ½
Michael Spurr	1873	½ - ½
Jonathan Kay	1856	1 - 0

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

2017 = (5652 + 400 * (1 - 0)) / 3)