Event: Rapidplay Rally (May)

PDF Excel

Opponent	Rating	Result
Nikolay Starodubcevs-Snaiders	1400	1 - 0
Zbynek Strela	1855	0 - 1
Mark R Le-Vine	1663	0 - 1

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

1506 = (4918 + 400 * (1 - 2)) / 3)