Event: League Division Three

Opponent Rating Result
Dave Young 79 0 - 1
Chris Tatham 121 0 - 1
Paul Smith 38 ½ - ½
Stephen P Burton 50 1 - 0
RA (Bob) Maltby 123 ½ - ½
Steven Hodgson 79 1 - 0
John O Machin 83 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

25 = (573 + 400 * (2 - 3)) / 7)

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