Event: Spring OTB Division 4

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Opponent	Rating	Result
Philip MacNeill	1328	0 - 1
Yin Chu	1100	0 - 1
Dale Eccleston	1100	½ - ½

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

909 = (3528 + 400 * (0 - 2)) / 3)