Event: Baum Trophy

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Opponent Rating Result
Robin J Oakley 1728 0 - 1
John H Hodgson 2089 0 - 1
Robin J Oakley 1728 ½ - ½
John H Hodgson 2089 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1609 = (7634 + 400 * (0 - 3)) / 4)

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