Event: Division 3

PDF Excel

Opponent	Rating	Result
Ian R Pickup	1761	0 - 1
Chris M Strong	1813	0 - 1
Michael Townsend	1813	0 - 1
Michael Townsend	1850	0 - 1
Barry R Davies	1488	1 - 0
Adrian Catchpole	1471	1 - 0
Piotr Zielinski	1585	0 - 1

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

1512 = (11781 + 400 * (2 - 5)) / 7)