Event: KO 2021-22

Opponent Rating Result
Alex Parker 0 1 - 0
Richard Moorhouse 1643 1 - 0
Michael C Forster 2114 ½ - ½
Michael C Forster 2119 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1569 = (5876 + 400 * (2 - 1)) / 4)

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