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Third Base

Casino

What is Third Base?

Third base is the last blackjack seat before the dealer, acting immediately before the dealer. Learn why the seat draws blame and whether it really matters.

ByCasino Desk·Casino & Slots Editor

Reviewed byKris Fawkes·Chief Editor

What it means in practice

Third base is the last seat at a blackjack table before the dealer, positioned at the far right from the dealer's perspective, so the player sitting there acts immediately before the dealer completes the hand. Because it is the final decision point of the round, third base sees every card the other players have already drawn and is the last position to influence how the remaining cards in the shoe fall to the dealer. The seat carries an outsized reputation. At a full table, the player at third base often takes the "community" cards that would otherwise have gone to the dealer, which is why the seat attracts both blame and superstition when a hand goes badly for everyone. Worked example: the dealer shows a 6 and you sit at third base holding 16, a losing spot most of the time. Basic strategy says stand against a dealer 6, because the dealer must draw to a 17 or higher and busts roughly 42% of the time from a 6. Suppose you instead hit and take the 10 that would have busted the dealer; the dealer then draws a 5 to make 21 and beats the whole table. Your play changed the outcome, but over thousands of hands correct basic strategy at third base still costs the house the same edge regardless of seat. For players, no seat is mathematically better or worse in the long run; card order is random and your own expected value depends only on your decisions, not your position. Ignore any pressure to "play for the table." Compare with first base, basic strategy and blackjack.

Why it matters

A definition like this one decides what an offer is actually worth. The same wording turns up in bonus terms, on payment pages and in game rules, and it is usually where a promotion’s real cost is hiding — so it is worth reading an operator’s own terms with this meaning in mind rather than the marketing above them.

You must be of legal gambling age where you live — 18 in most markets, 19 or 21 in others. Understanding a term does not make an outcome more likely: casino games are built to return less than they take over time. Set deposit and time limits before you play.

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