Event: A Division

PDF Excel

Opponent	Rating	Result
Rayelynn Posadas	158	½ - ½
Peter Harker	140	½ - ½
David Richardson	128	1 - 0
Martin P McLoughlin	160	½ - ½
Brian Whitaker	107	½ - ½
Royce Parker	136	1 - 0
Nikhil Bhandari	126	0 - 1

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

194 = (955 + 400 * (2 - 1)) / 7)