Event: Division 3

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Opponent	Rating	Result
Jason LeRoy	1370	0 - 1
Gareth Cullen	1715	½ - ½
Simon Dunphy	1623	0 - 1

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

1303 = (4708 + 400 * (0 - 2)) / 3)