Event: Hull Club Championship

PDF Excel

Opponent	Rating	Result
Eric W Fisher	133	0 - 1
Nick Colley	78	1 - 0
Michael Bangura	86	0 - 1
Milosz Kasprzyk	99	0 - 1
Jason Clemmey	94	0 - 1

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

-142 = (490 + 400 * (1 - 4)) / 5)