Event: SASCA Rapidplay

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Opponent Rating Result
Ian Hemingway 0 0 - 1
Neil Ladva 1090 0 - 1
Chuanxi Wang 0 ½ - ½
Freddie Bond 772 1 - 0
Zilu Ji 967 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

406 = (2829 + 400 * (1 - 3)) / 5)

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