Event: Northamptonshire Silver King League

Opponent Rating Result
Christopher Keech 1803 0 - 1
Ron Cooper 1518 1 - 0
Tim Broad 1555 ½ - ½
Antonio Mura 0 0 - 1
David P Curran 1716 1 - 0
Paul Young 0 0 - 1
Vanik Singh 1398 ½ - ½
Daniel Worley 0 1 - 0
Wojciech Augustyniak 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

932 = (7990 + 400 * (4 - 3)) / 9)

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