Event: 4-Board Division 1

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Opponent	Rating	Result
Steve Hughes	1398	0 - 1
Jack Freer	1038	0 - 1
Daniel Ryder	1225	0(def) - 1

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

818 = (2436 + 400 * (0 - 2)) / 2)