Event: Ladder Tournament

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Opponent	Rating	Result
Roger Beeson	1182	1 - 0
Riku Okamura	1194	1 - 0
David Hasen	1243	1 - 0

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

1606 = (3619 + 400 * (3 - 0)) / 3)