Event: Cornwall Online Premier

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Opponent	Rating	Result
Gary Trudeau	1817	1 - 0
Gary Trudeau	1817	1 - 0
Richard AL Smith	1772	1 - 0
Richard AL Smith	1772	1 - 0
Lloyd Retallick	2012	1 - 0
Lloyd Retallick	2012	1 - 0
Petra Nunn	1922	1 - 0
Petra Nunn	1922	½ - ½
Ian M George	1982	1 - 0
Ian M George	1982	½ - ½
Jeremy FS Menadue	2074	½ - ½
Jeremy FS Menadue	2074	½ - ½

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

2197 = (23158 + 400 * (8 - 0)) / 12)