Event: League Division Three

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Opponent Rating Result
Marcin Skopinski 127 0 - 1
Sri Sriharan 111 1 - 0
Sri Sriharan 111 ½ - ½
Jim Bird 98 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

12 = (447 + 400 * (1 - 2)) / 4)

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