Event: Division 2

PDF Excel

Opponent	Rating	Result
Adrian Walker	157	1 - 0
Alun Richards	136	½ - ½
John Lightowler	138	½ - ½
Michael Ashworth	184	0 - 1
David O Vaughan	151	½ - ½
Steve J Dyer	128	0 - 1
Andrew E James	142	½ - ½
Michael Ashworth	188	0 - 1

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

53 = (1224 + 400 * (1 - 3)) / 8)