Event: Division 4

PDF Excel

Opponent	Rating	Result
Rhys Edwards	1670	0 - 1
Abbie Stevens	1517	0 - 1
Barry Knee	1443	0 - 1
Trevor Reece	1307	0 - 1
Manish Pashine	1402	1 - 0
Gayatri Pasricha	1570	0 - 1
Manish Pashine	1399	0 - 1

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

1187 = (10308 + 400 * (1 - 6)) / 7)