Event: Division 1

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Opponent	Rating	Result
Stephen W Berkley	1761	1 - 0
Martin van Tol	1782	½ - ½
Andrew Daniel	1511	0 - 1

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

1685 = (5054 + 400 * (1 - 1)) / 3)