Event: Wallington Rapidplay

PDF Excel

Opponent	Rating	Result
Akshat Suthagaran	1408	0 - 1
Saanidhya Ludhani	1232	1 - 0
David Jones	1880	0 - 1
Thaksan Sutharsam	1239	0 - 1
Fred Marthoz	1526	0 - 1
Luke Glinton	1545	0 - 1
Sally Upperton	968	1 - 0

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

1228 = (9798 + 400 * (2 - 5)) / 7)