Event: Summer League Section 1

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Opponent	Rating	Result
Phil Bawden	1833	1 - 0
Steve R Hodge	2046	1 - 0
Mark I Collinson	2073	½ - ½

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

2251 = (5952 + 400 * (2 - 0)) / 3)