Event: DCL Div 1

PDF Excel

Opponent	Rating	Result
Andrew F Footner	181	1 - 0
Ian C Clark	183	0 - 1
Mark Littleton	176	½ - ½
Frank J Pittman	164	1 - 0
Ronnie Burton	167	½ - ½
Geoff C Searing	157	1 - 0
Geoff C Searing	157	1 - 0
C Bruce Jenks	174	0 - 1

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

270 = (1359 + 400 * (4 - 2)) / 8)