Event: Division 1

PDF Excel

Opponent	Rating	Result
Andrew Smith	2125	0 - 1
Anthony J Green	1998	0 - 1
Peter M Collins	1735	½ - ½
Steve Whatmore	1825	½ - ½

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

1721 = (7683 + 400 * (0 - 2)) / 4)