Event: Division 2

PDF Excel

Opponent	Rating	Result
David Harrington	1500	0 - 1
Andrew Todd	1501	1 - 0
Andrew Todd	1490	0 - 1
Robert Petrovai	1722	0 - 1
Peter A Brander	1492	½ - ½
Richard Morley	1050	1 - 0
David D'Cruz	1382	½ - ½

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

1391 = (10137 + 400 * (2 - 3)) / 7)