Event: Summer League Division 4

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Opponent	Rating	Result
John A Clark	1754	0 - 1
David Moore	1458	½ - ½
Paul Wheatley	1802	0 - 1

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

1405 = (5014 + 400 * (0 - 2)) / 3)