Event: Club Championship

PDF Excel

Opponent	Rating	Result
Ian J Clarke	1943	0 - 1
Brian Turner	1976	0 - 1
Lee Davis	2065	0 - 1
James Allsopp	1491	1 - 0
Pierre Lipinsky	1696	½ - ½

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

1674 = (9171 + 400 * (1 - 3)) / 5)