Event: Division A

PDF Excel

Opponent	Rating	Result
John Whitfield	151	½ - ½
Peter Thompson	158	½ - ½
Dave C Martindale	161	1 - 0
John Whitfield	151	½ - ½
Phillip J Taylor	160	0 - 1
William O'Rourke	156	½ - ½
Mark Taylor	154	1 - 0
William O'Rourke	156	1 - 0

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

256 = (1247 + 400 * (3 - 1)) / 8)