Event: Division 1

PDF Excel

Opponent	Rating	Result
Petru Tarabuta	2090	0 - 1
Duncan Dicks	2088	1 - 0
Ian A Robson	2182	½ - ½
Richard Freeman	2049	½ - ½
Robert Ashworth	1906	½ - ½
Duncan Dicks	2108	½ - ½
Kevin N Bendall	1616	½ - ½
Rob E Wilden	1756	0 - 1
Nigel Hosken	2081	½ - ½
Michael Ashworth	2098	0 - 1

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

1917 = (19974 + 400 * (1 - 3)) / 10)