Event: Derbyshire Individual

PDF Excel

Opponent	Rating	Result
Alex Webster	163	0 - 1
Shane Bhayat	162	½ - ½
Andrew Stevens	0	1 - 0
Nigel D Marshall	115	0 - 1
Chris A Fraser	121	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

32 = (561 + 400 * (1 - 2)) / 5)