Event: League

PDF Excel

Opponent	Rating	Result
Steven Lewis	157	½ - ½
John Grasham	134	0 - 1
Robert S Stokes	105	1 - 0
Stan J Smart	128	½ - ½
Glyn G Williams	117	1 - 0
Robert S Stokes	105	0 - 1
John Day	115	1 - 0

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

180 = (861 + 400 * (3 - 2)) / 7)