Event: Grand Prix 2020 T5 starter

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Opponent	Rating	Result
Meher Prem Mudili	1398	0 - 1
Daniel Sanders	0	0 - 1
William Wood	0	1 - 0

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

333 = (1398 + 400 * (1 - 2)) / 3)