Event: Lawrance Cup

PDF Excel

Opponent	Rating	Result
Czeslaw (Sebastian) Ponulak	1960	½ - ½
Czeslaw (Sebastian) Ponulak	1960	0 - 1

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

1760 = (3920 + 400 * (0 - 1)) / 2)