Event: Xmas-Blitz

PDF Excel

Opponent	Rating	Result
Alasdair MacLeod	1827	1 - 0
Phillip K Gardner	1642	1 - 0
Barry AH David	1434	1 - 0
Alasdair MacLeod	1827	½ - ½
Phillip K Gardner	1642	1 - 0
Barry AH David	1434	½ - ½

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

1901 = (9806 + 400 * (4 - 0)) / 6)