Event: D&DCL Div 1

PDF Excel

Opponent	Rating	Result
Andrew Stevens	0	0 - 1
Norman J Davies	122	1 - 0
Michael D Johnson	170	0 - 1
Andrew J Mort	163	½ - ½
Michael J Alderson	175	½ - ½
David Hulme	153	1 - 0
Norman J Davies	122	1 - 0
Derek A Jarvis	173	0 - 1
Andrew J Mort	163	½ - ½

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

138 = (1241 + 400 * (3 - 3)) / 9)