Event: Harrogate Evening League 2018-19

PDF Excel

Opponent	Rating	Result
Brian H Coop	159	½ - ½
Michael Johnson	132	1 - 0
David W Adam	143	1 - 0
Peter Rawcliffe	143	1 - 0
Steven Revell	150	½ - ½

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

385 = (727 + 400 * (3 - 0)) / 5)