Event: U1800 Cup

PDF Excel

Opponent	Rating	Result
Les J Jones	1727	1 - 0
Alan J Lewis	1551	1 - 0
Adrian Sanderson	1493	½ - ½

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

1857 = (4771 + 400 * (2 - 0)) / 3)