Event: Autumn OTB Division 1

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Opponent	Rating	Result
H Michael Lamb	2065	0 - 1
Edward Jackson	2023	½ - ½
Chris Vassiliou	1945	1 - 0

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

2011 = (6033 + 400 * (1 - 1)) / 3)