Event: Reading-Chess-Open

Opponent Rating Result
Michael Szczerba 1191 0 - 1
Samuel Vanstone 1240 0 - 1
Zain Jafri 889 0 - 1
Samuel Vanstone 1240 0 - 1
Zain Jafri 889 0 - 1
Krishvin Sureshkumar 1685 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

789 = (7134 + 400 * (0 - 6)) / 6)

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