Event: Open

PDF Excel

Opponent	Rating	Result
Robert Mitchell	1810	1 - 0
Martin P Burrows	2159	0 - 1
Philip J Horspool	2053	½ - ½
Shabir Okhai	2287	0 - 1
Lewis A Turner	2005	0 - 1
Andrew J Morley	2075	½ - ½
Alan Agnew	2184	½ - ½

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

1968 = (14573 + 400 * (1 - 3)) / 7)