Event: Derbyshire Individual

Opponent Rating Result
David G Levens 154 ½ - ½
John D Hoddy 142 1 - 0
Ranjit Nath 157 1 - 0
Andrew Toothill 162 ½ - ½
Edward T Bromilow 156 1 - 0
Edward T Bromilow 156 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

421 = (927 + 400 * (4 - 0)) / 6)

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