Event: Division 4

PDF Excel

Opponent	Rating	Result
Jon EW Blackburn	144	0 - 1
Glyn D Valentine	143	½ - ½
Simon Layhe	134	0 - 1
Kenneth J McNulty	141	1 - 0
Jon EW Blackburn	144	0 - 1
David S Johnson	121	½ - ½
Peter J Windows	129	1 - 0
David S Johnson	121	1 - 0

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

135 = (1077 + 400 * (3 - 3)) / 8)