Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Nicholas Mahoney	147	½ - ½
Ismet Berisha	143	0 - 1
Alexandru Zimleanschi	136	½ - ½
Andrew Butterworth	180	½ - ½
A David Smart	122	1 - 0
Colin Parrish	93	1 - 0
Alan Bramall	141	½ - ½
John P Mainwaring	140	1 - 0
Pete Micklethwaite	154	½ - ½

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

228 = (1256 + 400 * (3 - 1)) / 9)