Event: Division 4

PDF Excel

Opponent	Rating	Result
Jonathan Welton	1696	0 - 1
Peter J Horlock	1685	1 - 0
Iain Reeve	1709	½ - ½

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

1697 = (5090 + 400 * (1 - 1)) / 3)