Event: Div1

PDF Excel

Opponent	Rating	Result
Anthony L Natt	167	0 - 1
Ray J Forey	172	½ - ½
D Martin Howard	170	0 - 1
Kevin J Dalley	171	1 - 0
Steven J Burke	167	½ - ½
Dragoljub Sudar	151	½ - ½
Andrew Toothill	162	0 - 1
Peter M Collins	160	½ - ½
Martin Cobham	149	½ - ½
Mark AK Carter	0	½ - ½
Paul Williams	143	½ - ½

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

74 = (1612 + 400 * (1 - 3)) / 11)