Event: David Hodgson Trophy

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Opponent Rating Result
John Cook 1839 ½ - ½
Roy W Parsons 1750 1 - 0
Roy W Parsons 1750 1 - 0
John Cook 1839 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2095 = (7178 + 400 * (3 - 0)) / 4)

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