Event: Individual Championship

PDF Excel

Opponent	Rating	Result
Alun Richards	142	1 - 0
John Jenkins	181	1 - 0
Ian R White	173	1 - 0
Rob E Wilden	143	1 - 0
Ian A Robson	191	½ - ½

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

486 = (830 + 400 * (4 - 0)) / 5)