Event: John Davis 6200 League

PDF Excel

Opponent	Rating	Result
Steven Scullion	1418	0 - 1
J Newton	1430	0 - 1
Peter Paine	1353	1 - 0

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

1267 = (4201 + 400 * (1 - 2)) / 3)