Event: Viking Bay Rapid

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Opponent	Rating	Result
David Clifford	1700	1 - 0
Masha Visel	1304	1 - 0
Jasper Jeffs	1335	0 - 1

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

1580 = (4339 + 400 * (2 - 1)) / 3)