Event: Division 3

PDF Excel

Opponent	Rating	Result
Peter M Collins	1647	½ - ½
Anthony R Meakin	1539	0 - 1
Tony Brothwood	1625	½ - ½
Stephen R Wilcox	1670	0 - 1
William Giddings	1085	1 - 0
Joshua Sawyer	1341	0 - 1
Thomas Chapman	1494	0 - 1

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

1314 = (10401 + 400 * (1 - 4)) / 7)