Event: Div 1 - Davy Trophy

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Opponent Rating Result
Ewan Cormack 2033 ½ - ½
Daniel JS Sullivan 2040 0 - 1
Paul Fletcher 1976 1 - 0
Jonathan P Nelson 2167 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1954 = (8216 + 400 * (1 - 2)) / 4)

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