Event: 1st DC inter-school Team blitz

PDF Excel

Opponent	Rating	Result
Beni Sisupalan	0	0 - 1
William Oakeley	0	0 - 1
George Allen	0	0 - 1
David Agyemang	0	0 - 1
Lucas Cheung	0	1 - 0

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

-240 = (0 + 400 * (1 - 4)) / 5)