Event: IM Brown Shield

PDF Excel

Opponent	Rating	Result
Daniel Langhamer	1757	0 - 1
Steve Withington	1697	1 - 0
Gawain Ako	1750	½ - ½

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

1735 = (5204 + 400 * (1 - 1)) / 3)