Event: Division 3

PDF Excel

Opponent	Rating	Result
Michael WA Hoare	1648	0 - 1
Bowie Carter	1570	0 - 1
Lee A Grinsell	2095	0 - 1
Simon Walton	1663	½ - ½

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

1444 = (6976 + 400 * (0 - 3)) / 4)