Event: MID County / Lewis Cup

PDF Excel

Opponent	Rating	Result
Tobias W Stock	183	0 - 1
C Lucjan Karpinski	172	½ - ½
George E Hollands	163	1 - 0
Trefor H Owens	167	½ - ½
David R Heath	146	½ - ½
Adrian O Pickersgill	163	½ - ½
Robert Jacobs	178	½ - ½
Andrew C Waters	161	½ - ½

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

167 = (1333 + 400 * (1 - 1)) / 8)