Event: Club Championship

PDF Excel

Opponent	Rating	Result
Nick Tadd	1180	1 - 0
Francis Batchelor	2058	0 - 1
Michael J Creaney	1713	0 - 1
Brian Ellis	1810	0 - 1
Geoffrey Howsden	1383	0 - 0
Joseph Machin	0	0 - 0
Joe McGinnis	1563	0 - 1
Janos Mehes	1169	0 - 0
Iain Mellis	0	0 - 0
James Urwin	0	0 - 0

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

1425 = (8324 + 400 * (1 - 4)) / 5)