Event: Club Championship

PDF Excel

Opponent	Rating	Result
George Charman	1819	0 - 1
Brian Turner	1971	½ - ½
John Chester	1717	1 - 0
Matthew Jordan	1743	½ - ½
Pierre Lipinsky	0	½ - ½
James Allsopp	1318	½ - ½
Ian J Clarke	1980	0 - 1
Lee Davis	2039	0 - 1

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

1473 = (12587 + 400 * (1 - 3)) / 8)