Im Yago, nice meeting y´all Im mexican 3 cats (bolillo,luna and hachi) I love Blackjack, I learn from Egle Dicegirl slots games expert, I bet for living and I'm a freelance. I want to learn more...
Specifically, if the dealer has more than two uncovered cards in his hand, then the dealer is likely to have more low cards than high cards. This is a big deal for Double Deck games.
Depends, of course, on the game, spread, etc. But for 4.5/6, 1-12 or 1-16, S17, DAS vs. S17, DAS, LS, the gains are more than 50%. See BJA3, p. 232.
Don