2026-05-17 · 11 min read · Counting
Hi-Lo is the most common beginner card counting system because the card values are simple: low cards add one, neutral cards add zero, and high cards subtract one. The challenge is not the math by itself. The challenge is keeping the count while hands, bets, and decisions are moving.
A trainer should help you build that skill safely and honestly: count accuracy first, true count conversion second, and betting discipline only after the count is stable.
Running Count
In Hi-Lo, cards 2 through 6 are plus one, 7 through 9 are zero, and tens through aces are minus one. The running count is the live total of those values as cards leave the shoe.
A positive running count means more high cards remain relative to low cards. A negative count means the opposite. On its own, though, the running count is incomplete because a six-deck shoe and a one-deck shoe are not the same.
- 2, 3, 4, 5, 6: plus one.
- 7, 8, 9: zero.
- 10, J, Q, K, A: minus one.
True Count
True count adjusts the running count by decks remaining. A running count of plus six is very different with six decks left than with one deck left.
The common estimate is running count divided by decks remaining. It does not need to be perfect to be useful in practice, but it does need to be consistent.
Bet Ramps And Volatility
A positive true count can justify larger practice bets because the remaining shoe is richer in high cards. Larger bets also create larger swings, so a ramp should be measured rather than emotional.
In BlackjackPro, count-aware betting advice is educational. It is designed to show the relationship between count and bet sizing without implying any guaranteed outcome.
Build Counting In Layers
Start with visible-card drills until the running count is reliable. Then add speed. Then add true count conversion. Only after that should you combine counting with strategy decisions and betting.
Trying to learn everything at once usually creates one of two problems: the count gets lost during decisions, or decisions get rushed because the player is focused only on the count.
Key takeaways
- Running count tracks card values as they leave the shoe.
- True count adjusts that number for decks remaining.
- Bet sizing practice should come after count accuracy.