Event: Club Championship 24

PDF Excel

Opponent	Rating	Result
Jim A Arbuckle	1658	0 - 1
Lee Heather	1380	0 - 1
Mridul Sharma	1300	0 - 1
Brendan Gibbons	1550	0 - 1
Daniel Chambers	1000	0 - 1
George Cooper	1000	1 - 0
Richard Ball	1402	0 - 1
David Hooper	1173	0 - 1

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

1008 = (10463 + 400 * (1 - 7)) / 8)