new kid on the block

[choco.coke]

One of the most strees full situation while playing blackjack is the reaction on the table of sophisticated players when another player with zero knowledge of is taking cards with taking into consideration the basic strategy, so i have searched over the internet about that i have found tons of links regarding the subject, but this one i find it particulary interesting blackjack double strategy , the question would be whats the diference btwn the charts ?, between this two how to choose ?with elements should i take into consideration to proceed ?

tks in advance...