Event: IM Brown Shield

PDF Excel

Opponent	Rating	Result
James Bramman	0	1 - 0
William J Egan	1630	0 - 1
Hasti Pargan	1525	0 - 1
Neil Griffiths	1551	0 - 1

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

977 = (4706 + 400 * (1 - 3)) / 4)