Event: NCCA League Division 2

PDF Excel

Opponent	Rating	Result
Arthur Dannatt	1677	½ - ½
Harvey W Collins	1515	1 - 0
Bodo U Rissmann	1501	0 - 1
Yosif A Antonov	1616	0 - 1

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

1477 = (6309 + 400 * (1 - 2)) / 4)