Event: Lincoln Rapidplay

PDF Excel

Opponent	Rating	Result
Ian McDonald	0	0 - 1
Ian McDonald	0	0 - 1
Peter G Sherlock	0	0 - 1
Peter G Sherlock	0	½ - ½

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

-300 = (0 + 400 * (0 - 3)) / 4)