Event: Div1

PDF Excel

Opponent	Rating	Result
Mike Alcock	168	½ - ½
David JF Woodhouse	124	½ - ½
Paul Williams	142	½ - ½
Steve Bracey	156	1 - 0
Kevin J Dalley	171	1 - 0
Martin Cobham	149	½ - ½
Andrew J Mort	160	½ - ½

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

267 = (1070 + 400 * (2 - 0)) / 7)