Card Counting the 20 Pays Blackjack Side Bet
This post considers the blackjack side bet called "20 Pays" (20P). As the name implies, this wager wins whenever the player's first two cards total 20. In that sense, it is similar to both Royal 20s and Lucky Ladies. What makes this side bet unique is that it also pays if the player's first card is a Jack, Queen or King, when the second card is not ten-valued.
Here is the most common pay table for 20P: