Event: All Play All

PDF Excel

Opponent	Rating	Result
William F Harris	1588	0 - 1
William F Harris	1597	½ - ½
Ian Gregory	1932	0 - 1
Patrick Dillon	1664	½ - ½
Tim Fox	1358	1 - 0
Thomas Overthrow	1585	1 - 0
John Hems	1167	½ - ½
Steve K Dean	1834	0 - 1

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

1541 = (12725 + 400 * (2 - 3)) / 8)