Event: Division 3

PDF Excel

Opponent	Rating	Result
Benjamin James	1603	1 - 0
Chris Hill	1823	0 - 1
Philip Erentz	1592	1 - 0
David Griffiths	1572	½ - ½
Hywel Burke	0	1 - 0
Gavin Dow	1417	0 - 1
Eddie Jones	1306	1 - 0

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

1445 = (9313 + 400 * (4 - 2)) / 7)