Event: Division 3 West

PDF Excel

Opponent	Rating	Result
Julian C Watkiss	83	1 - 0
Damien Kaniewski	74	0 - 1
Stuart Marsh	87	½ - ½
Ian R Hardy	65	1 - 0
Damien Kaniewski	74	1 - 0

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

237 = (383 + 400 * (3 - 1)) / 5)