Event: Summer League Division 3

PDF Excel

Opponent	Rating	Result
Tim Humphries	1909	1 - 0
John R Mercy	1806	1 - 0
Geoffrey D Brown	1821	0 - 1
Steve Moon	1510	1 - 0
Brian Crofts	1548	1 - 0
Thomas Hancock	1694	½ - ½
Rob Skelton	1647	1 - 0

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

1934 = (11935 + 400 * (5 - 1)) / 7)