Event: League Division Three

Opponent Rating Result
Jim Bird 98 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

98 = (98 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Matt Jones 102 ½ - ½
Thomas Jordan 0 0 - 1
Jon Jordan 102 1 - 0
Alex King 64 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-33 = (268 + 400 * (1 - 2)) / 4)