Event: Summer Rapidplay

PDF Excel

Opponent	Rating	Result
James Mann	1279	1 - 0
George Butterworth	1098	1 - 0
Jayden Wang	951	1 - 0
Tashil Lankapura	1475	1 - 0
Michael J Creaney	1652	1 - 0
Phil Wales	0	1 - 0
Jonathan Feasby	1533	1 - 0

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

1541 = (7988 + 400 * (7 - 0)) / 7)