Event: 23 / 24 Club Championship

PDF Excel

Opponent	Rating	Result
Steven Eggleston	1653	0 - 1
Robert Heyman	1561	0 - 1
Jonathan Rooney	1560	0 - 1
Thomas Cameron	1557	0 - 1
Martin Thompson	1397	1 - 0
Steve Armstrong	1435	1 - 0
Lev Drobiazko	1523	½ - ½

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

1412 = (10686 + 400 * (2 - 4)) / 7)