Event: 6-Board Division 2

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Opponent	Rating	Result
Graham Lee	1546	0 - 1
Nazar Kusiumov	1350	0 - 1
Andy Booth	1000	0 - 1

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

899 = (3896 + 400 * (0 - 3)) / 3)