Event: Division 5

PDF Excel

Opponent	Rating	Result
Roger Southward	1132	0 - 1
Michael James	926	0 - 1
Richard Henry	950	0 - 1
Vincent Barker	1242	0 - 1
Jos Dent	1190	½ - ½

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

768 = (5440 + 400 * (0 - 4)) / 5)