Event: Division A

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Opponent Rating Result
Robert Grounds 1173 1 - 0
Tom Ormisher 0 1 - 0
Graham J Ashcroft 1953 0 - 1
Martin Lythgoe 1849 ½ - ½
Philip Armstrong 1988 ½ - ½
Malcolm R Peacock 2054 ½ - ½
Robert A Newton 1962 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1626 = (10979 + 400 * (2 - 1)) / 7)

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Opponent Rating Result
Lee P Kay 2027 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2027 = (2027 + 400 * (0 - 0)) / 1)