Online Blackjack Basic Strategy: The Complete Beginner's Guide

Basic strategy is the mathematically optimal decision for every possible blackjack hand combination, calculated by computer simulation over billions of hands. It tells you exactly when to:

• Hit (take another card)
• Stand (take no more cards)
• Double Down (double your bet for one more card)
• Split (split a pair into two separate hands)
• Surrender (forfeit half your bet rather than play the hand)

Using basic strategy reduces the house edge in standard 6-deck blackjack from ~2% to approximately 0.5%. In single-deck blackjack, perfect basic strategy can reduce it below 0.3%.

These rules cover the vast majority of blackjack decisions:

Hard totals (no ace, or ace counted as 1):

• Hard 8 or less: Always hit
• Hard 9: Double vs dealer 3–6, otherwise hit
• Hard 10: Double vs dealer 2–9, otherwise hit
• Hard 11: Always double down
• Hard 12: Stand vs dealer 4–6, otherwise hit
• Hard 13–16: Stand vs dealer 2–6, otherwise hit
• Hard 17+: Always stand

Soft totals (ace counted as 11):

• Soft 13–15: Double vs dealer 4–6, otherwise hit
• Soft 16–17: Double vs dealer 3–6, otherwise hit
• Soft 18: Double vs dealer 3–6, stand vs 2/7/8, hit vs 9/10/Ace
• Soft 19–21: Always stand

Pairs:

• Always split Aces and 8s
• Never split 5s or 10s
• Split 2s, 3s vs dealer 2–7
• Split 4s vs dealer 5–6
• Split 6s vs dealer 2–6
• Split 7s vs dealer 2–7

Not all blackjack games are equal. These rule differences significantly affect house edge:

• Blackjack pays 3:2 (standard, good) vs 6:5 (bad — increases house edge by ~1.4%)
• Dealer stands on soft 17 (good) vs hits on soft 17 (bad — adds ~0.2%)
• Double after split allowed (good — reduces house edge ~0.14%)
• Surrender available (good — reduces house edge ~0.08%)
• Number of decks: Single-deck best (but often has unfavorable other rules)

Rule of thumb: Always look for 3:2 blackjack payout. A game paying 6:5 should be avoided entirely.

Standard (RNG) online blackjack:

• Faster pace — typically 200+ hands/hour possible
• Lower minimum bets ($1–5)
• Multiple simultaneous hands possible
• No social element

Live dealer blackjack:

• Real cards, real dealer streamed via HD video
• 50–80 hands/hour (more like a real casino)
• Higher minimums ($5–25 typically)
• Social interaction via chat
• Verified random shuffling

For strategy practice, RNG blackjack is faster. For the authentic experience, live dealer is superior. Both use the same basic strategy.