Event: Division 2

PDF Excel

Opponent	Rating	Result
Richard Zaidman	1640	1 - 0
Ellis Howard	1662	1 - 0
Joe Barraclough	1689	0 - 1
Richard L Bowman	1801	½ - ½
Keith Marsh	1721	1 - 0
Les Johnson	1623	1 - 0
Mohammad Abdulhamid	1743	½ - ½

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

1868 = (11879 + 400 * (4 - 1)) / 7)