Event: Division 4

PDF Excel

Opponent	Rating	Result
Brian Kirby	1151	0 - 1
Richard Bellamy	1574	0 - 1
Richard Laskey	1301	0 - 1
Leon Edwards	0	0 - 1
James Hurley	1237	0 - 1
Brian Kirby	1172	1 - 0
Richard Bellamy	1498	0 - 1
Richard Laskey	1282	0 - 1
Leon Edwards	0	0 - 1
James Hurley	1243	0 - 1

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

726 = (10458 + 400 * (1 - 9)) / 10)