Event: Club Championship

PDF Excel

Opponent	Rating	Result
Geoffrey Howsden	1383	0 - 1
Joseph Machin	0	0 - 0
Joe McGinnis	1563	0 - 1
Iain Mellis	0	0 - 1
Nick Tadd	1180	0 - 1
James Urwin	0	0 - 1
Callum Abbott	1465	0 - 0
Francis Batchelor	2058	0 - 1
Michael J Creaney	1713	0 - 1
Brian Ellis	1810	0 - 1

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

813 = (9707 + 400 * (0 - 8)) / 8)