Event: Div 1 - Davy Trophy

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Opponent	Rating	Result
Samuel A Milson	2166	½ - ½
Jonathan P Nelson	2232	½ - ½
Jim Burnett	2097	½ - ½
Marek Gajdosz	2055	1 - 0
Chris N Ross	2224	1 - 0
Peter Ackley	2113	½ - ½
Ewan Cormack	2026	1 - 0

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

2302 = (14913 + 400 * (3 - 0)) / 7)