Event: Division 2 East

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Opponent	Rating	Result
Paul Humphreys	114	½ - ½
Chris Fewtrell	146	0 - 1
Paul Humphreys	114	½ - ½

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

-9 = (374 + 400 * (0 - 1)) / 3)