Event: OTB Club Championship

PDF Excel

Opponent	Rating	Result
Mark Le Gassicke	1338	1 - 0
David Smith	1592	1 - 0
John Cawdery	2089	0 - 1
Huw D Jacob	1619	1 - 0
Mark RA Murrell	1809	0 - 1
Erik De Bok	0	0 - 1
Jay Demetriou	1520	0 - 1

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

1367 = (9967 + 400 * (3 - 4)) / 7)