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Games

Blackjack, the one game where your decisions change the margin

Blackjack is the only common casino game in which the player's decisions change the house's margin, which is both its appeal and its trap. Played well, under good rules, it is one of the cheapest games in any lobby, while played badly, or under poor rules, it can cost several times as much without looking any different on the screen.

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The rules printed on the felt

Every blackjack table prints its main rules on the felt or in its help screen, and three of them matter more than the rest. The first is the payout for a "blackjack" (an ace and a "ten-value card" as the first two cards), which should be 3 to 2; the second is what the dealer does on seventeen, and the third is when the player may "double" (double the stake for exactly one more card) and "split" (turn a pair into two hands).

The demo we played, Play'n GO's BlackJack MH, printed "Blackjack pays 3 to 2", "Dealer must stand on 17 and draw to 16" and "Insurance pays 2 to 1" on its felt, which is a good set of rules for a player. Tables that pay 6 to 5 for a blackjack are common in some markets and take noticeably more (about one and a half percentage points by the usual reckoning), which is why you should read the felt before anything else.

Basic strategy, and what it is worth

"Basic strategy" is the set of decisions (hit, stand, double, split) that minimizes the house's edge for a given set of rules, worked out by simulating millions of hands. Played perfectly under good rules, it brings the edge down to around half a per cent, which makes blackjack one of the cheapest games a casino offers; played by instinct, the same table can cost several times as much for a player who trusts hunches.

The strategy fits on a single card, and printed charts, of the kind we keep beside us, are published freely for each common set of rules. Our demo hand followed it, an eleven against the dealer's two, where the chart says to double, and the account of that hand (with screenshots) is on our BlackJack MH page.

Three decisions the chart settles

Always double on eleven against a dealer's two to ten, when the rules allow it. Never take insurance, because the price is worse than the odds. Always split a pair of aces and a pair of eights, which turns two weak totals into two promising hands.

Insurance and side bets

When the dealer shows an ace, the table offers "insurance", a side bet that pays 2 to 1 if the dealer has a blackjack. It sounds like protection and it is a separate bet (a bet on the dealer's hidden card) with a worse price than the odds justify, since fewer than one card in three is a ten-value card, and basic strategy declines it every time, in every common variant.

"Side bets" (bets on pairs, on poker hands made with the dealer's card, on matching suits) work the same way, with payouts that look generous and edges that are usually much higher than the main game's. We would play them, if at all, as a small and conscious extra cost, and never as a way to recover a losing session!

Why counting cards does not help online

Card counting works, in principle, when cards are dealt from a shoe (the box from which a live dealer draws) that is not reshuffled after every hand, so that the remaining cards can be tracked. Software blackjack reshuffles a fresh virtual deck for every hand, so there is nothing to count, and live tables online usually deal from shoes that are shuffled long before their depth makes counting worthwhile for anyone.

That leaves basic strategy as the only reliable way you can reduce the edge. It is a modest gain, a fraction of a per cent, but in a game where the margin is already small it decides whether an evening costs a little or a good deal more, which is a difference worth learning a card for.

Software, live and the pace of play

Blackjack comes in two forms on a registered Alberta site: software tables, where a random number generator deals the cards, and "live dealer" tables, where a dealer deals real cards on a video stream. The rules can be identical, and the difference is the pace, since a software table can deal several times as many hands an hour (and the cost of an hour grows with the number of hands).

The page on live dealer tables explains that difference at more length. Whatever the form, a time limit and a loss limit set in the account before the first hand are the two tools we would use every time, since every registered site in Alberta must offer them, and responsible gambling lists the rest.

By the Alberta Casinos Online editorial team · Last updated: November 13, 2026 · Online since 2026

Three more sites on the Alberta list

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