Event: Spring OTB Division 4

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Opponent	Rating	Result
Neil Dee	1432	0 - 1
Des Lougheed	797	1 - 0
Dave W Cook	1382	1 - 0

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

1337 = (3611 + 400 * (2 - 1)) / 3)