Event: Derbyshire Individual

PDF Excel

Opponent	Rating	Result
Andrew Toothill	162	0 - 1
Maurice J Hill	150	½ - ½
Graham J Pace	112	1 - 0
Martin Cobham	142	1 - 0

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

242 = (566 + 400 * (2 - 1)) / 4)