Event: Division 2 Cup

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Opponent	Rating	Result
Owen R Robson	1762	0 - 1
Zack Reed	1713	0 - 1
Simon Dixon	1725	0 - 1

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

1333 = (5200 + 400 * (0 - 3)) / 3)