Event: OTB Summers End Blitz

PDF Excel

Opponent	Rating	Result
Ray Chu	1294	1 - 0
John V Jestico	1348	1 - 0
Alex Collyer	1610	½ - ½
Mark RA Murrell	1778	0 - 1
Philip Staniland	1682	1 - 0
Huw D Jacob	1298	0 - 1
Alfie Green	1376	1 - 0

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

1598 = (10386 + 400 * (4 - 2)) / 7)