Event: Minor

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Opponent Rating Result
Keith A Hylands 1385 0 - 1
David Steiert 1516 1 - 0
Laurie Edwards 412 0 - 1
David Blackwell 1355 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

967 = (4668 + 400 * (1 - 3)) / 4)

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