Event: Division 2 West

PDF Excel

Opponent	Rating	Result
Guy Greenland	116	0 - 1
John Jeremiah	109	0 - 1
Malcolm Dinham	109	½ - ½
John S O'Neill	119	½ - ½
Jonathan Rossi	108	½ - ½

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

-48 = (561 + 400 * (0 - 2)) / 5)