Event: 2021 Manx Championship

PDF Excel

Opponent	Rating	Result
Kyle Cross	0	0 - 1
Neil T Davies	0	0 - 1
Colin Watkinson	0	0 - 1
Howard EJ Dobson	0	1 - 0
Glenn Cross	0	0 - 1

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

-240 = (0 + 400 * (1 - 4)) / 5)