Event: SASCA Rapidplay

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Opponent Rating Result
Mengzheng (Evan) Shi 1158 0 - 1
Zilu Ji 967 0 - 1
Ehsaan Ali 0 ½ - ½
Zahra Ali 0 1 - 0
John Wiles 998 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

465 = (3123 + 400 * (1 - 3)) / 5)

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