Event: Division 2

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Opponent	Rating	Result
Alex Carey	1862	½ - ½
Chris Haynes	1702	1 - 0
Robert Ashworth	1877	0 - 1
Richard George	1872	½ - ½
Alex Carey	1914	0 - 1
Benjamin Lappin	1937	0 - 1
A Clive Walley	1931	1 - 0
Zack Norris	1964	0 - 1
Richard George	1879	½ - ½
Matthew Hammond	1831	½ - ½

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

1797 = (18769 + 400 * (2 - 4)) / 10)