Event: Division 1

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Opponent	Rating	Result
Alaa Gamal	1878	0 - 1
Matt Garwood	1600	1 - 0
Ken W Clow	1870	0 - 1

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

1649 = (5348 + 400 * (1 - 2)) / 3)