Event: Division 1 - Davy Trophy

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Opponent Rating Result
Mike Alcock 175 1 - 0
Geoffrey D Brown 148 ½ - ½
David Ashcroft 152 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

292 = (475 + 400 * (1 - 0)) / 3)

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