Event: Division 3

PDF Excel

Opponent	Rating	Result
Stephen W Berkley	1761	0 - 1
Mustapha Rahaman	1667	0 - 1
Mariusz Waszkielewicz	1550	0 - 1
Jay Sharman	1654	1 - 0
Anthony Whitaker	1432	1 - 0
Joshua Davis	1493	0 - 1
Oscar Waszkielewicz	1100	1 - 0

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

1465 = (10657 + 400 * (3 - 4)) / 7)