Event: Gambit Rapidplay

PDF Excel

Opponent	Rating	Result
John R Huthwaite	1836	0 - 1
John R Huthwaite	1836	0 - 1
John Tassi	1714	0 - 1
John Tassi	1714	0 - 1
Kieran Mullins	1257	1 - 0
Kieran Mullins	1257	1 - 0
Adam Lovatt	1476	1 - 0
Adam Lovatt	1476	½ - ½

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

1521 = (12566 + 400 * (3 - 4)) / 8)