Event: Individual Results Sent For Grading

PDF Excel

Opponent	Rating	Result
John W Southcote	1552	½ - ½
Mike J O'Mahony	1724	0 - 1
Bob Amos	1578	1 - 0
Bob Amos	1578	½ - ½
Mike J O'Mahony	1724	0 - 1
John W Southcote	1552	½ - ½
Bryan E Simm	1284	1 - 0

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

1570 = (10992 + 400 * (2 - 2)) / 7)