yeah 2 points isn't a biggie but the error is probably in your boil off. beersmith figures your boil off by your evaporation rate. If your evaporation rate is lower than beersmith thinks then your you'll find a variance in your estimated pre-boil and post-boil gravity.
SecondaryOud Bruin, Roese Kriek, Fuzzy Naval Berliner Weisse
Bottled Hip Hop IPA, Burton Ale, Wet Hopped RyePA, Burt (burton ale second runnings), Saison, "Grimm" RIS 18.5%, "Beast" Barleywine 11%, NB's "Golden Dragon" 10.5%, Chocolate Stout,"Warrior" IIPA 17%, "Oaked Warrior" IIPA 17%
Kegged Milk Chocolate Stout , Wild American Wheat, Red Brick Blonde Ale