All three techniques solve the same problem: how do you bet only when the count is favorable? Each has its place. None is uniquely superior. The choice depends on your tolerance for heat, your patience, and the casino's rules around table entry.
Wonging
Named after Stanford Wong (the pseudonym of John Ferguson), wonging is the practice of counting from outside the table — standing nearby — and only sitting down to play when the true count is favorable. You sit, play through the favorable count, and leave when the count goes negative.
The math is great. Skipping all the negative-count rounds means you have an effective edge of 1.5-3% per hand played, vs the 0.5-1% you'd average if you sat through every shoe.
Heat is the catch. Casinos hate wonging. Most have implemented 'no mid-shoe entry' policies that prevent it. You stand around watching shoes; pit bosses notice. Surveillance flags repeat-Wongers. Even at casinos that allow it, you'll get backed off in a few sessions if you're obvious.
Back-counting
Same idea as Wonging, different label — 'back-counting' specifically refers to counting a shoe from behind a player without playing yourself, then jumping in when the count favors you. In practice, the terms overlap.
Some players draw a distinction: 'back-counting' means standing at the rail without making any bet, while 'Wonging' includes minimum-betting through negative counts and only ramping up the bet at high counts. Both work; the back-counting approach gets less heat because you're not actively betting at low counts.
Front-counting
Far rarer term. Refers to playing from the very first hand of a shoe — no skipping, no Wonging — but adjusting bet size based on count. This is what most published bet-spread tables assume. The math is worse than Wonging because you sit through the negative counts, but the heat is dramatically lower because you're a normal player who just bets bigger sometimes.
Front-counting at a 1-12 spread is the standard approach for most working APs. You earn less per hour than a Wonger but get backed off less often.
Mid-shoe entry rules
Most major casinos in 2026 prohibit mid-shoe entry on at least their high-limit tables. This kills Wonging on those tables. The signs to watch for:
- 'No mid-shoe entry' on the rules placard
- Pit boss waving you off when you try to sit
- Dealer placing a yellow cut card visibly indicating no new entries
Mid-shoe entry is allowed on most low- and mid-limit tables in Vegas as of late 2025. Off-strip and downtown casinos are looser. Tribal casinos vary widely.
Which to use, and when
Wong if:
- Mid-shoe entry is allowed at the table
- The casino is busy enough that you can stand without being obvious
- You have multiple tables to monitor
- Your local game has lots of penetration (so positive counts last long enough to play)
Front-count if:
- Mid-shoe entry is restricted
- You want to look like a casual player to extend session length
- You're worried about pit-boss surveillance
- You play long sessions and value low heat over per-hour earnings
Hybrid: 'play one shoe, leave one shoe' is a common middle ground
Sit down at the start of a fresh shoe, play through to the cut card, leave the table for 10 minutes, sit at a different table when the count there gets positive. Hard to flag because no individual shoe shows a Wong-style entry pattern.
The 'don't get caught' factor
Heat compounds non-linearly. One backoff at a casino — a polite 'we'd prefer you not play blackjack here, but you're welcome at our other games' — quickly becomes a Griffin Book entry, which gets shared with affiliated properties. A few backoffs and you've burned out half of Las Vegas.
Most working APs aim for the lowest-EV strategy that doesn't get them backed off. Wonging is the highest EV per hour played, but it's also the highest heat per hour played. Front-counting at a modest spread can sometimes earn more total dollars over a year because you don't get burned out of the casinos that actually have games.