Event: Summer Rapidplay

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Opponent Rating Result
Geoff Mann 1418 1 - 0
Shanaya Chauhan 550 1 - 0
Tashil Lankapura 1475 0 - 1
Sachin Saggar 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

861 = (3443 + 400 * (2 - 2)) / 4)

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