8 3 ) ▁that ▁radical ▁simpl ification ▁of ▁black jack ▁card ▁counting ▁systems ▁did ▁not ▁hurt ▁ear nings . ▁ ▁Since ▁ 1 9 8 1 , ▁Arnold ▁S ny der ▁has ▁been ▁the ▁editor ▁of ▁Black jack ▁Forum , ▁a ▁quarter ly ▁trade ▁journal ▁for ▁professional ▁g amb lers . ▁In ▁ 2 0 0 4 ▁S ny der ▁moved ▁the ▁publication ▁of ▁Black jack ▁Forum ▁from ▁print ▁to ▁online ▁due ▁to ▁time ▁constraints ▁im posed ▁by ▁playing ▁more ▁frequently ▁and ▁the ▁fr ustration ▁with ▁dealing ▁with ▁the ▁business ▁side ▁of ▁the ▁publication ▁industry . ▁Black jack ▁Forum ▁has ▁published ▁many ▁articles ▁about ▁professional ▁g amb ling , ▁discussion ▁of ▁strateg ies ▁and ▁approaches ▁for ▁various ▁games ▁and ▁inter views ▁with ▁many ▁professional ▁g amb lers ▁including ▁Al ▁Francesco , ▁Keith ▁T aft ▁and ▁Mart y ▁T aft , ▁Tommy ▁Hy land , ▁Johnny ▁Ch ang , ▁Dar ry l ▁Pur pose . ▁ ▁His ▁book ▁Black b elt ▁in ▁Black jack ▁is ▁a ▁guide ▁to ▁card ▁counting ▁and ▁other ▁professional ▁g amb ling ▁techniques ▁in ▁black jack , ▁with ▁an ▁emphas is ▁on ▁advice ▁for ▁winning ▁in ▁real - life ▁cas ino ▁play . ▁In ▁his ▁book ▁The ▁Black jack ▁Sh uffle ▁Tra cker ' s ▁Cook book , ▁he ▁published ▁the ▁first ▁mathematical ▁analysis ▁of ▁the ▁value ▁of ▁different ▁types ▁of ▁black jack ▁sh uffle ▁tracking , ▁as ▁well ▁as ▁the ▁first ▁analysis ▁of ▁how ▁to ▁most ▁profit ably ▁track ▁today ' s ▁more ▁complicated ▁cas ino ▁sh uff les