Event: "Hope Valley" blitz

PDF Excel

Opponent	Rating	Result
John Wiles	1062	0 - 1
Steve Withington	1680	0 - 1
Zilu Ji	1081	1 - 0
Talakalukoppa Amarnath	1535	0 - 1
Connor Fairfield	1207	1 - 0
Damien Gwatkin	1366	0 - 1
Chuanxi Wang	1179	½ - ½

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

1187 = (9110 + 400 * (2 - 4)) / 7)