The Foundations of Optimal Blackjack Strategy

By following strict basic strategy, you reduce the house edge to less than 0.5%, making Blackjack the fairest game on the casino floor. Decisions to Hit, Stand, Double Down, or Split depend on the dealer's visible upcard.

Review the core strategic decision rules below before taking your seat.

Player HandDealer UpcardOptimal MoveMathematical Reason
Hard 17 or higherAny UpcardAlways StandRisk of busting on a hit exceeds 85%
Hard 112 through 10Always Double Down53% chance of hitting a 10 or Ace for 20-21
Pair of Aces or 8sAny UpcardAlways SplitSplits bad 16 into two 8s and creates two potential 21s
Hard 12 to 16Dealer shows 2 to 6StandDealer is in a bust zone (42% bust probability)
Hard 12 to 16Dealer shows 7 to AceHitDealer has high chance of making 17-21; you must improve

Exciting Blackjack Side Bets

Enhance standard payouts with optional side bets like Perfect Pairs (up to 25:1 for suited pairs) and 21+3 (up to 100:1 for three-card poker hands combining your cards and dealer upcard).

Keep side bet allocations to 10% of main stake to preserve long-term capital.