Event: Walker Shield

PDF Excel

Opponent	Rating	Result
Robert Twigg	1383	1 - 0
Graeme Boxall	1435	1 - 0
Kenneth Keeler	1447	0 - 1
Sean Duffy	1083	0 - 1
Daniel Allen	1188	0 - 1
Robert Twigg	1383	1 - 0
Roy F Dawson	1180	1 - 0
Kenneth Keeler	1447	0 - 1

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

1318 = (10546 + 400 * (4 - 4)) / 8)