Event: EXOL Rapid 1 (G10/5) Nov 23

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Opponent	Rating	Result
Lakshan Siddharth	1577	0 - 1
Matei Coseru	0	1 - 0

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

789 = (1577 + 400 * (1 - 1)) / 2)