Event: Richardson Cup

Opponent Rating Result
Michael W Simmons 1179 1 - 0
Szilard Tamas 1905 1 - 0
Xi-Yang Guo 2041 0 - 1
John A Clark 1830 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1939 = (6955 + 400 * (3 - 1)) / 4)

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