Event: Division 4

PDF Excel

Opponent	Rating	Result
Jamie D Jones	57	1 - 0
Christopher Brian	80	½ - ½
Les Hall	87	0 - 1
Peter FK Evans	85	0 - 1
Jamie D Jones	80	1 - 0
Mohammed Farah	80	1 - 0
Stuart IE Green	82	1 - 0

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

193 = (551 + 400 * (4 - 2)) / 7)