Event: Yorkshire u18s Team Championship - Division 1

PDF Excel

Opponent	Rating	Result
Kirin Harrington	1364	0 - 1
Benjamin Layton	1369	0 - 1
Daniel Langhamer	1677	0 - 1
Adrian Lee	1492	0 - 1

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

1076 = (5902 + 400 * (0 - 4)) / 4)