Event: EXOL Blitz 3 (G5/2) U1600 - Feb 1

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Opponent	Rating	Result
Yusuf Ali	1197	1 - 0
Yusuf Ali	1197	½ - ½

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

1397 = (2394 + 400 * (1 - 0)) / 2)