Event: Ivan Gromov League Season 2

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Opponent	Rating	Result
Marlon Wen	0	½ - ½
Ryan Martin	0	0(def) - 1
Daniel Goodlad	0	0 - 1
Arun Lall	0	½ - ½
Nadhmi Auchi	0	1 - 0

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

0 = (0 + 400 * (1 - 1)) / 4)