Event: Hepolite (Rapidplay)

PDF Excel

Opponent	Rating	Result
Peter Shaw	2243	0 - 1
Peter Shaw	2243	0 - 1
Karim Khan	1778	0 - 1
Karim Khan	1778	0 - 1
Ian Goater	1461	½ - ½
Ian Goater	1461	½ - ½
Tim Appleyard	1231	1 - 0
Tim Appleyard	1231	1 - 0
Bartoz Przewiezlikowski	1480	0 - 1
Bartoz Przewiezlikowski	1480	0 - 1

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

1479 = (16386 + 400 * (2 - 6)) / 10)