Event: Norfolk County Chess Championships- Challengers

PDF   Excel   
Opponent Rating Result
Colin R Payne 1641 ½ - ½
Graham K Blowers 1723 0 - 1
Dennis G Driscoll 1330 ½ - ½
David P Jones 1446 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1535 = (6140 + 400 * (1 - 1)) / 4)

   Back