Event: Division 2

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Opponent	Rating	Result
Paul Edwards	1946	1 - 0
George J Ellames	1840	1 - 0
Yaroslav Kolodiy	1942	1 - 0

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

2309 = (5728 + 400 * (3 - 0)) / 3)