Event: WMA Spring League Division 2

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Opponent	Rating	Result
Praveen Joy	1703	1 - 0
Mark Riley	1661	0 - 1
Matthew Rowe	1411	1 - 0
Jeremy Humphries	1509	1 - 0
Praveen Joy	1703	0 - 1
Mark Riley	1661	½ - ½
Matthew Rowe	1411	1 - 0
Jeremy Humphries	1509	0 - 1

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

1621 = (12568 + 400 * (4 - 3)) / 8)