Event: OTB Blitz Championship

PDF Excel

Opponent	Rating	Result
Terry D Whitton	1910	0 - 1
Zain Qureshi	1319	0 - 1
Karun Suresh	0	0 - 1
A Fin O'Regan	1110	1 - 0
Ryan Colclough	1652	0 - 1
James Walsh	1300	1 - 0
Huw D Jacob	1627	1 - 0

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

1217 = (8918 + 400 * (3 - 4)) / 7)