Event: Worcestershire Rapidplay league

PDF Excel

Opponent	Rating	Result
Nigel Hosken	2120	1 - 0
Phil Austin	1771	1 - 0
Ray A Collett	1848	1 - 0
Joseph D Friar	1978	1 - 0
Nigel Hosken	2120	0 - 1
Phil Austin	1771	0 - 1
Ray A Collett	1848	1 - 0
Joseph D Friar	1978	½ - ½

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

2079 = (15434 + 400 * (5 - 2)) / 8)