Event: League 1

PDF Excel

Opponent	Rating	Result
Dave Gray	0	1 - 0
Hamidreza Faham	0	1 - 0
Andy Leatherbarrow	0	1 - 0
Mike J Barnett	0	1 - 0
Mike J Barnett	0	0 - 1

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

240 = (0 + 400 * (4 - 1)) / 5)