Event: Northamptonshire Silver King League Division 2

Opponent Rating Result
Patrick J McHale 1933 ½ - ½
Adrian Kaszuba 1883 1 - 0
Richard N Ellis 1599 1 - 0
Claude Masseron 1686 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1975 = (7101 + 400 * (2 - 0)) / 4)

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