Event: Division B

PDF Excel

Opponent	Rating	Result
Ken Lawson	1442	0 - 1
David Gamble	1381	0 - 1
Peter A Wilson	1758	0 - 1
Graham Smith	1450	0 - 1
Curtis Harlow	1450	0 - 1
Jonathon Parton	1450	0 - 1
Martin Craven	970	1 - 0
Kieran Wilson	1450	1 - 0

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

1219 = (11351 + 400 * (2 - 6)) / 8)