Event: Division 4

PDF Excel

Opponent	Rating	Result
John Conway	1581	0 - 1
Geoffry G Blissitt	1150	½ - ½
Tony Plackowski	1198	0 - 1
Manish Pashine	800	1 - 0
Nathan Blackman	0	1 - 0
Adrian Grimes	1393	0 - 1
Joe Riat	1000	0 - 1

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

903 = (7122 + 400 * (2 - 4)) / 7)