Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Sean O McDonald	176	1 - 0
Martin S Simmonds	149	½ - ½
Peter JE Ackley	191	0 - 1
Ismet Berisha	143	½ - ½
Colin Parrish	93	½ - ½
Martin J Sheard	153	0 - 1
Chris Bennett	154	½ - ½
Peter M Tate	129	1 - 0
Pete Micklethwaite	154	0 - 1

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

105 = (1342 + 400 * (2 - 3)) / 9)