Event: Reading-Chess-Championships

Opponent Rating Result
Michael Szczerba 1199 0 - 1
Michael Szczerba 1199 1 - 0
Michael Szczerba 1199 1 - 0
Stella Yu 1000 ½ - ½
Armando Emilio Ayes 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

919 = (4597 + 400 * (2 - 2)) / 5)

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