Event: Sheffield U18

PDF Excel

Opponent	Rating	Result
Alfie Bramhall	0	0 - 1
Ethan Ball	0	½ - ½
Ehsaan Ali	928	1 - 0
Sandeep Bethina	1071	0 - 1
Amir Ali	0	½ - ½

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

320 = (1999 + 400 * (1 - 2)) / 5)