Event: Ladder

PDF Excel

Opponent	Rating	Result
Martin Thompson	1485	1 - 0
Robert Heyman	1547	0 - 1
Alan Green	1817	0 - 1
Steve Armstrong	1441	1 - 0
Alan Green	1893	0 - 1
Robert Heyman	1577	1 - 0
Robert Heyman	1577	½ - ½
Thomas Cameron	1550	0 - 1

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

1561 = (12887 + 400 * (3 - 4)) / 8)