Event: Division 2

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Opponent	Rating	Result
Samuel Gaffney	1808	0 - 1
James Irwin	1815	0 - 1
Les J Jones	1744	½ - ½

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

1522 = (5367 + 400 * (0 - 2)) / 3)