Event: Division 1

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Opponent Rating Result
David W Fryer 1957 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1557 = (1957 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Anthony Giles 1777 ½ - ½
Steve Merchant 1664 1 - 0
Paul A Batchelor 1971 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1937 = (5412 + 400 * (1 - 0)) / 3)