Event: SCCU County Championship: U2050

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Opponent	Rating	Result
Colin Mackenzie	2015	½ - ½
Ivan J Myall	1994	½ - ½
Keith Nevols	1924	1 - 0

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

2111 = (5933 + 400 * (1 - 0)) / 3)