Event: Division Three

PDF Excel

Opponent	Rating	Result
Garry Evans	138	1 - 0
Derek W Perks	136	1 - 0
Mehdi Al Samir	125	0 - 1
Chris W Pitt	141	½ - ½
Lawrence F Hayden	133	1 - 0
Manuel Alvarez	143	½ - ½
Roland Robson	103	0 - 1
Brian D Hopkins	122	½ - ½
Michael WA Hoare	129	1 - 0

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

219 = (1170 + 400 * (4 - 2)) / 9)