Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Nicholas Mahoney	147	½ - ½
Farrell P Clifford	123	0 - 1
Martin S Simmonds	149	0 - 1
A David Smart	122	½ - ½
Anthony G Steele	112	1 - 0
Zak Tomlinson	108	½ - ½
Alan J Smith	111	0 - 1

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

10 = (872 + 400 * (1 - 3)) / 7)