Event: Division 4

PDF Excel

Opponent	Rating	Result
Derek Whitehurst	97	½ - ½
Geoffrey FM Cox	90	1 - 0
Peter Shaw	100	1 - 0
Simon Layhe	117	1 - 0
James Topp	102	0 - 1
Nigel Gardner	90	1 - 0
Paul Clapham	106	½ - ½
Derek Whitehurst	97	0 - 1

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

200 = (799 + 400 * (4 - 2)) / 8)