Event: Rapidplay

PDF Excel

Opponent	Rating	Result
Paul DJ Hampton	180	½ - ½
Paul A O'Neill	176	0 - 1
Harry Callingham	152	½ - ½
Meyrick Shaw	185	½ - ½
Meyrick Shaw	185	0 - 1
Paul DJ Hampton	180	½ - ½
Harry Callingham	152	1 - 0
Paul A O'Neill	176	1 - 0

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

173 = (1386 + 400 * (2 - 2)) / 8)