Event: St Andrews Club Championship

PDF Excel

Opponent	Rating	Result
Edward Stamp	94	1 - 0
Stephen Garner	100	1 - 0
Stephen Crow	154	0 - 1
Giles Dunn	145	½ - ½
Michael A Pollard	133	0 - 1

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

125 = (626 + 400 * (2 - 2)) / 5)