Event: Grand Prix

PDF Excel

Opponent	Rating	Result
Will Stafford	0	0 - 1
Michael Krautzberger	0	1 - 0
Zoya Boozorginia	1343	1 - 0
George Ainsworth	1658	0 - 1
Matthew Bold	0	0 - 1
Marco Flaccavento	0	0 - 1
David Blackwell	0	1 - 0

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

372 = (3001 + 400 * (3 - 4)) / 7)