Event: NCCA League Division 4

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Opponent	Rating	Result
Ted Kenning	850	1 - 0
Joe Chandler	1350	1 - 0
Benjie Elston	1531	0 - 1

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

1377 = (3731 + 400 * (2 - 1)) / 3)