Event: Division 2

PDF Excel

Opponent	Rating	Result
Stephen Donkin	1648	½ - ½
Ashley Carr	1500	½ - ½
Nigel Yates	1428	0 - 1
Matt Harris	1702	1 - 0

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

1570 = (6278 + 400 * (1 - 1)) / 4)