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Beating the 21+3 Blackjack Side Bet, Update #1

The 21 + 3 (TP3) blackjack side bet is based on examining the player’s two cards and the dealer’s up-card. If the three cards form a flush, straight, three-of-a-kind or straight flush, the player wins. The payout for a winning TP3 wager is a flat 9-to-1 and the game has a modest house edge of 3.239%. Recently, several casino sources expressed concern about advantage play against TP3.

By
Eliot Jacobson Ph.D.
June 21, 2013

Beating the 21 + 3 Blackjack Side Bet: Some Really Cool Graphs

It continues to amaze me that my posts on the 21 + 3 blackjack side bet are among the most frequently viewed articles on this site. This post (Beating the 21+3 Blackjack Side Bet) tops the list. Out of curiosity, I created a computer program to look at how the edge for 21 + 3 changes as hands are dealt from a shoe.

By
Eliot Jacobson Ph.D.
May 6, 2015