Event: Division 1

PDF Excel

Opponent	Rating	Result
Tristram De Piro	149	0 - 1
Ian A Robson	190	1 - 0
Peter Dhonau	168	½ - ½
Peter Dhonau	168	0 - 1
Tristram De Piro	149	0 - 1
Steve J Dyer	121	½ - ½
Charlie McLaren	174	0 - 1
Thomas McLaren	151	1 - 0
Colin R Chambers	139	½ - ½

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

68 = (1409 + 400 * (2 - 4)) / 9)