Event: A Division

Opponent Rating Result
Noel S McLaughlin 2020 ½ - ½
Kyle Pelling 2030 ½ - ½
Foivos Patrik Tzortzakos 1940 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1863 = (5990 + 400 * (0 - 1)) / 3)

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