Event: "Hope Valley" blitz

PDF Excel

Opponent	Rating	Result
Tom Key	1615	0 - 1
Sophia MacDonald	1333	1 - 0
Colin Reid	1456	1 - 0
Paul Fletcher	2011	0 - 1
Emerys Hillman	1453	1 - 0
Ayodeji Jeje	2070	0 - 1
George Gledhill	1588	0 - 1

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

1589 = (11526 + 400 * (3 - 4)) / 7)