Event: Div 1 - Davy Trophy

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Opponent Rating Result
Tim Humphries 1900 ½ - ½
Ken A McIntosh 1825 1 - 0
Ionel Dragan 1894 0 - 1
Rishab Cammanchery Krishnan 1615 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1709 = (7234 + 400 * (1 - 2)) / 4)

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