Event: South Bristol Junior Championship

PDF Excel

Opponent	Rating	Result
James Thomas	1439	0 - 1
Oliver Branch	0	1 - 0
David Kowalski	1283	0 - 1
Nathan McLachlan	0	1 - 0
Akira Booker	1340	0 - 1
Sophia Wherrett	0	1 - 0
Naomi Gorshunova	0	1 - 0

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

637 = (4062 + 400 * (4 - 3)) / 7)