Event: OTB Blitz Championship

PDF Excel

Opponent	Rating	Result
Zain Qureshi	1319	1 - 0
Terry D Whitton	1910	½ - ½
John Cawdery	2056	0 - 1
Matthias Lataille	1756	1 - 0
Philip Staniland	1877	1 - 0
Ashley Freeman	1997	½ - ½
Paul R Barclay	1810	1 - 0

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

1989 = (12725 + 400 * (4 - 1)) / 7)