Event: Club Championship 21-22

PDF Excel

Opponent	Rating	Result
John Davenport	1976	0 - 1
Anthony Whitaker	1200	0 - 1
Ian P F Smith	1200	0 - 1
Matt Garwood	1298	0 - 1

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

1019 = (5674 + 400 * (0 - 4)) / 4)