Event: MID County / Lewis Cup

PDF Excel

Opponent	Rating	Result
David J Shire	170	½ - ½
Howard L Tebbs	182	½ - ½
George E Hollands	163	0 - 1
Andrew C Waters	161	1 - 0
David JR Barnes	161	1 - 0
Daniel Lowe	184	½ - ½
John B Atherton	161	0 - 1

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

169 = (1182 + 400 * (2 - 2)) / 7)