Event: "Hope Valley" blitz

PDF Excel

Opponent	Rating	Result
Damien Gwatkin	1366	1 - 0
Tom Key	1615	1 - 0
Miles T Hemingway	1772	1 - 0
Jonathan W Arnott	2214	0 - 1
Andrew Allen	1829	1 - 0
Paul Fletcher	2011	0 - 1
Nathaniel Holroyd-Doveton	1714	1 - 0

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

1960 = (12521 + 400 * (5 - 2)) / 7)