Event: Division 4

PDF Excel

Opponent	Rating	Result
Simon Layhe	134	0 - 1
Peter J Windows	129	½ - ½
Steve Whatmore	142	0 - 1
Karol Grzybowski	146	½ - ½
Peter J Windows	129	½ - ½
Richard Renegade	129	0 - 1
Karol Grzybowski	146	0 - 1

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

-92 = (955 + 400 * (0 - 4)) / 7)