Event: Summer Knights

PDF Excel

Opponent	Rating	Result
Djuna L Tree	1633	1 - 0
Chris J Watt	1484	0 - 1
Shir Bar Tal	1516	0 - 1
David Blackwell	1341	½ - ½

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

1394 = (5974 + 400 * (1 - 2)) / 4)