Event: WMA Spring League Division 2

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Opponent	Rating	Result
David J Ireland	0	0 - 1
Julie C Wilson	1814	1 - 0
Praveen Joy	0	1 - 0
Nathanael Kasafir	70	0 - 1
Arnold G Kirkland	0	1 - 0
Phil Wells	0	½ - ½
AD (Tony) Williams	0	1 - 0
David J Ireland	0	0 - 1
Julie C Wilson	1814	1 - 0
Praveen Joy	0	0 - 1
Nathanael Kasafir	70	1 - 0
Arnold G Kirkland	0	½ - ½
Phil Wells	0	1 - 0
AD (Tony) Williams	0	1 - 0

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

383 = (3768 + 400 * (8 - 4)) / 14)