Event: Div 1 - Davy Trophy

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Opponent Rating Result
Mark S Allison 1938 0 - 1
Steven J Burke 1948 0 - 1
Xiaorui Wang 1559 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1682 = (5445 + 400 * (1 - 2)) / 3)

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