Event: Walker Shield

PDF Excel

Opponent	Rating	Result
John L Clarke	104	0 - 1
Stephen P Garrett	86	½ - ½
Oli Garrett	53	1 - 0
John L Clarke	104	0 - 1
Luke Stokes-Carter	68	1 - 0
Reginald G Pidduck	107	0 - 1
Kenneth Keeler	91	0 - 1
Robert Cronin	104	½ - ½

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

-10 = (717 + 400 * (2 - 4)) / 8)