Event: Div2

PDF Excel

Opponent	Rating	Result
Stephen Lamont	125	0 - 1
Ranjit Nath	151	1 - 0
Antony A Clare	166	½ - ½
David Smith	160	0 - 1
Mike Allen	122	1 - 0
Maurice J Hill	144	½ - ½
Antony A Clare	159	0 - 1
Alex Webster	155	½ - ½

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

98 = (1182 + 400 * (2 - 3)) / 8)