Event: The Chess Centre - Horsforth (Class 1) Junior League

PDF Excel

Opponent	Rating	Result
Toby Black	646	1 - 0
Emily Leung	640	0 - 1
Toby Black	643	0 - 1
Zachary Coggill	793	0 - 1
Zachary Hardman	586	1 - 0
Rohan Kirby	799	0 - 1
Magnus Grange	567	½ - ½
Yarik Pimenov	0	0 - 1

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

434 = (4674 + 400 * (2 - 5)) / 8)