Event: Division 1

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Opponent	Rating	Result
Phil Ramsey	1807	1 - 0
Danylo Laba	1681	0 - 1
Colin J Moore-Hughes	1941	1 - 0
Peter J Mulleady	1968	0 - 1
Alfie Melia	1992	0 - 1
Piotr Januszewski	2004	0 - 1
Peter J Mulleady	1968	½ - ½

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

1794 = (13361 + 400 * (2 - 4)) / 7)