Event: Division 3

PDF Excel

Opponent	Rating	Result
Piotr Zielinski	1629	1 - 0
Jack Giltrap	1452	1 - 0
Ben Searle	1438	0 - 1
Colin Fletcher	1525	1 - 0
Matt Howells	1493	0 - 1
Olly Blackford	1597	1 - 0
Michael Stinchcombe	1384	½ - ½

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

1617 = (10518 + 400 * (4 - 2)) / 7)