Event: MCA Division 3

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Opponent Rating Result
Alan Jackson 1672 ½ - ½
David CA Colbourne 1843 1 - 0
Isidro Cruz Gomez 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1172 = (3515 + 400 * (1 - 1)) / 3)

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