Event: Viking Bay Rapid

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Opponent	Rating	Result
Steven Blay	1390	1 - 0
Mike Jenkinson	1341	0 - 1
David Clifford	838	1 - 0

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

1323 = (3569 + 400 * (2 - 1)) / 3)