Event: Club Championship

PDF Excel

Opponent	Rating	Result
Charles Usher	0	1 - 0
Paul May	157	½ - ½
Frank T Sheldrick	142	1 - 0
Ian Carrigan	122	½ - ½
David L Pedro	137	0 - 1

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

192 = (558 + 400 * (2 - 1)) / 5)