Event: Div 1 - Davy Trophy

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Opponent	Rating	Result
Marek Gajdosz	2055	1 - 0
Chris N Ross	2224	½ - ½
David Latham	2033	½ - ½
Nigel Carpino	2055	1 - 0
Jim Burnett	2097	½ - ½
Peter M Gayson	2158	0 - 1
Aram Ter-Gevorkian	2031	0 - 1

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

2093 = (14653 + 400 * (2 - 2)) / 7)