Event: Club Championship

PDF Excel

Opponent	Rating	Result
Frank T Sheldrick	142	½ - ½
Philip May	98	0 - 1
David Halpin	63	1 - 0
Charles Usher	0	1 - 0
Ian Carrigan	122	0 - 1

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

85 = (425 + 400 * (2 - 2)) / 5)