Event: Division 2 West

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Opponent	Rating	Result
Golf Sookphanich	127	0 - 1
Philip M Chapman	140	0 - 1
Caspian Fowler	131	0 - 1
Oliver T Isaac	126	1 - 0
John S O'Neill	119	1 - 0
Jonathan Rossi	108	1 - 0
Robert D Harris	109	0 - 1

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

66 = (860 + 400 * (3 - 4)) / 7)