Event: Hillingdon Div 3

PDF Excel

Opponent	Rating	Result
James Lyons	1592	0 - 1
James Lyons	1598	0 - 1
Abu Hasan	1403	0 - 1
Michael J Smith	1280	0 - 1

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

1068 = (5873 + 400 * (0 - 4)) / 4)