Event: Open

PDF Excel

Opponent	Rating	Result
Andrew C Southall	183	0 - 1
Philip Purcell	163	0 - 1
James L Hanley	183	0 - 1
Tim A Lane	160	0 - 1
Dave M Davies	150	1 - 0
Marek J Soszynski	138	0 - 1
Andrew C Southall	183	0 - 1
Philip Purcell	163	0 - 1
James L Hanley	183	0 - 1
Tim A Lane	160	0 - 1
Dave M Davies	150	0 - 1
Marek J Soszynski	138	0 - 1

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

-171 = (1954 + 400 * (1 - 11)) / 12)