Event: Rapidplay League

PDF Excel

Opponent	Rating	Result
Armand Catz	164	1 - 0
Armand Catz	164	½ - ½
William O'Rourke	158	1 - 0
William O'Rourke	158	0 - 1
James Carrington	151	½ - ½
William O'Rourke	158	1 - 0
James Carrington	151	½ - ½
James Carrington	151	1 - 0
William O'Rourke	158	1 - 0
James Carrington	151	1 - 0
Marlon Espiritu	0	1 - 0
Marlon Espiritu	0	1 - 0

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

364 = (1564 + 400 * (8 - 1)) / 12)