Event: Harrogate Evening League 2018-19

PDF Excel

Opponent	Rating	Result
Peter Rawcliffe	143	½ - ½
Frank T Sheldrick	143	½ - ½
Michael Johnson	132	½ - ½
Mate Ther	167	0 - 1
Chris Wright	168	½ - ½

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

71 = (753 + 400 * (0 - 1)) / 5)