Event: League Championship

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Opponent Rating Result
Richard A Collins 160 0 - 1
Michael Farthing 128 ½ - ½
W Douglas McLellan 76 1 - 0
Felix Knopf 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-9 = (364 + 400 * (1 - 2)) / 4)

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