Event: A Division

PDF Excel

Opponent	Rating	Result
Martin P McLoughlin	160	½ - ½
Andrew M Smith	165	0 - 1
Klauss Mosnegutu	192	0 - 1
Royce Parker	136	0 - 1
Michael J Creaney	140	0 - 1
Ron A Stather	133	½ - ½
Garry J Hewitt	125	½ - ½
Peter McKay	130	1 - 0

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

-2 = (1181 + 400 * (1 - 4)) / 8)