Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Sean O McDonald	1908	1 - 0
Andrew Butterworth	1929	0 - 1
Phillip J Battye	1640	1 - 0
Farrell P Clifford	1796	½ - ½
Richard F Hall	1743	½ - ½
Martin Presley	1625	1 - 0
A David Smart	1545	1 - 0

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

1912 = (12186 + 400 * (4 - 1)) / 7)