Event: Division 1

PDF Excel

Opponent	Rating	Result
Joseph Stewart	206	½ - ½
Nigel Hosken	183	0 - 1
Jim Beaty	135	0 - 1
Robert Ashworth	158	1 - 0
Tristram De Piro	164	1 - 0
Nicolas Alba Fernandez	0	0 - 1
Richard J West	137	1 - 0

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

140 = (983 + 400 * (3 - 3)) / 7)