Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Phillip J Battye	1604	0 - 1
Shay Topping	1599	½ - ½
Alan Bramall	1825	0 - 1

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

1409 = (5028 + 400 * (0 - 2)) / 3)