Event: Division Three

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Opponent	Rating	Result
Kyri Weeks	1494	½ - ½
Daniel Seaton	1741	0 - 1
Tom Mantell	1575	1 - 0

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

1603 = (4810 + 400 * (1 - 1)) / 3)