Event: Rapidplay League

PDF Excel

Opponent	Rating	Result
Mark Taylor	150	½ - ½
Mark Taylor	150	0 - 1
Philip Armstrong	174	½ - ½
William O'Rourke	158	0 - 1
Matthew JE Searles	149	0 - 1
Philip Armstrong	174	0 - 1
William O'Rourke	158	0 - 1
Matthew JE Searles	149	½ - ½
Dave S Almond	145	½ - ½
Dave S Almond	145	0 - 1

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

-85 = (1552 + 400 * (0 - 6)) / 10)