Event: Open

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Opponent	Rating	Result
D Ajoy Solomon	1981	1 - 0
Marciel T Flores	2006	½ - ½
Nathan Ekanem	2035	1 - 0

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

2274 = (6022 + 400 * (2 - 0)) / 3)