Event: Division 2

PDF Excel

Opponent	Rating	Result
R Andrew Hebert	153	0 - 1
Norman J Davies	122	1 - 0
Ross Murphy	147	0 - 1
Dushan Charith Malimage	151	0 - 1
Maurice J Hill	150	½ - ½
Ray M Sayer	105	½ - ½
Ian J Burridge	134	1 - 0
Ben Mason	143	0 - 1
William (snr) Atiomo	132	0 - 1

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

4 = (1237 + 400 * (2 - 5)) / 9)