Event: Library Rapidplay April

PDF Excel

Opponent	Rating	Result
Senon Weerakkody	0	1 - 0
Ajay Selvan	1260	0 - 1
Joseph Hartill	0	1 - 0
James Mann	1253	0 - 1
Clair Hartill	1350	1 - 0

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

853 = (3863 + 400 * (3 - 2)) / 5)