Four Bet Strategy

A four bet is the fourth raise in a preflop betting sequence. You open, they three bet, you four bet. In online pools, it is the ultimate preflop power move because it forces immediate range definition and immediate EV decisions.

Your job is not to “see a flop”. Your job is to choose a four bet range that prints versus their three bet range, using Linear vs. Polarized ranges, Minimum Defense Frequency (MDF), and Blockers/Unblockers.

What a four bet actually is

Betting hierarchy preflop is simple. Each raise escalates the commitment and collapses ranges.

• First bet, open raise.
• Second bet, three bet.
• Third bet, four bet.
• Fourth bet, five bet shove.

When you four bet, you attack a range that is often Capped vs. Uncapped. Many opponents three bet wide, then fail to continue correctly versus four bets. That gap is your edge.

A four bet also changes stack to pot ratio immediately. That lowers postflop maneuvering and pushes the hand toward preflop EV, where tracking software data and population leaks matter most.

TPP Exploit Framework

• The Exploit: Four bet more versus wide three bettors who over fold, especially in rake-drag online environments where dead money matters.
• The Risk: Overdoing it makes your four bet range too weak and allows profitable five bet shoves.
• The Counter: If they start five bet jamming wider, tighten bluffs and shift to more value dense four bets.

The mental model, value denial plus realization

A four bet has two primary jobs. It denies equity by forcing folds. It improves Equity Realization (R) by building a pot where your range advantage converts cleanly.

If you call a three bet instead, you accept lower Equity Realization (R) with many hands, especially offsuits like KJo. That is hope poker. You pay rake, you face c bets, and you realize poorly.

When you four bet, you also pressure their continuation threshold. They must defend at least their Minimum Defense Frequency (MDF) versus the size, or you profit with any two cards.

TPP Exploit Framework

• The Exploit: Identify pool tendencies using tracking software. If their three bet fold to four bet is high, print with discipline.
• The Risk: Blindly chasing fold equity ignores your own blockers and postflop playability.
• The Counter: When they defend more, reduce bluffs and choose bluffs with better postflop play and stronger blockers.

Linear vs. Polarized, choose the right four bet shape

Your four bet range can be Linear vs. Polarized ranges. Your shape depends on position, SPR goals, and villain three bet frequency.

Linear four bet ranges happen when they three bet a lot and continue poorly. You four bet many strong, playable hands for value and thin value.

• Example linear core, BTN versus BB: QQ-99, AK, AQs, sometimes AJs, sometimes KQs.

Polarized four bet ranges happen when they three bet tight and continue aggressively. You four bet top value, plus a small set of bluffs that leverage Blockers/Unblockers.

• Example polarized value: KK+, AK.
• Example polarized bluffs: A5s-A2s, sometimes KTs depending on pool pressure and sizing.

Your bluff selection is not random. You choose hands with blockers to their value range, and hands that do not block their folds.

• Blockers/Unblockers principle: A5s blocks AA and AK, while not blocking many of their bluff folds.
• Bad bluff candidates: 87s has no relevant blockers. It relies on them folding too much, and it performs poorly when called.

TPP Exploit Framework

• The Exploit: Versus high three bet, high fold to four bet players, go more linear and punish their capped continuations.
• The Risk: Linear ranges can accidentally four bet hands that perform better as calls, reducing EV.
• The Counter: If they start calling four bets more, tighten the bottom of linear and pick hands with stronger postflop equity realization.

Sizing rules for online cash games

Four bet sizing is an EV lever. In multi-tabling online pools, you want consistent sizing that creates repeatable decisions and clean thresholds.

• In position four bet: around 2.1x to 2.4x their three bet size.
• Out of position four bet: around 2.4x to 2.8x their three bet size.

Bigger sizes increase fold equity and reduce their ability to call profitably. Smaller sizes keep your bluffs cheaper but increase their defend frequency and give them better Equity Realization (R).

You also must respect rake. If rake-drag is meaningful, flat calling marginal hands versus three bets becomes less attractive, and four betting becomes cleaner.

TPP Exploit Framework

• The Exploit: Use slightly larger four bets versus habitual callers and dominated broadway holders. Remove their implied odds.
• The Risk: Oversizing forces you into pot commitment with hands that are not ready to stack off.
• The Counter: If they start five bet shoving to punish sizing, tighten bluff region and keep value wide enough to call jams.

IP baseline, BTN or CO versus BB three bet

This is the cleanest four bet lab. You have position, their three bet range is often wide, and your four bet immediately tests their discipline.

Start with a polarized blueprint. Then adjust linear if their stats show high three bet and high fold to four bet.

• Value region example: TT+, AQs+, AK.
• Bluff region example: A5s-A2s, sometimes KQo if they over fold and you block AK and KK continuations.
• Flat region example: suited connectors that realize well, like 87s, when stacks are deep and they do not squeeze with aggression postflop.

Your flats must be justified by Equity Realization (R). If you are calling with 44 to set mine without correct implied odds, you are donating. No hope poker.

TPP Exploit Framework

• The Exploit: Versus BB three betters who auto pilot fold to four bet, increase four bet frequency with blocker heavy combos.
• The Risk: If you over bluff, your range becomes weak and they can profitably call in position postflop or jam preflop.
• The Counter: When they defend more, tighten bluffs, keep value, and add more calls with strong realization hands.

Scenario Box, BTN four bet pressure

Hero’s Hand: A♠5♠

The Flop: K♥ 7♣ 2♠

The Action: BTN opens. BB three bets. BTN four bets. BB calls. Flop checks through. Turn pressure lines are built around range advantage and blockers, not “hitting”.

OOP stress test, SB and BB four bet decisions

Out of position four bets must be tighter and more value dense. You realize less equity OOP, so your bluffing needs stronger justification.

Your opponent also knows you are OOP, so they will call more and positionally punish weak four bet bluffs. That is where Capped vs. Uncapped is critical.

• If you only four bet premiums, your four bet range is uncapped but too narrow. They can over fold three bets and print.
• If you four bet weak hands without blockers, you are capped postflop in practice, because you arrive with too many give ups.

Out of position bluff candidates should heavily weight Blockers/Unblockers.

• Good OOP bluff archetype: A5s-A2s.
• Marginal OOP continue archetype: KJo. Often a fold versus tougher three bet sizes, because realization is poor.
• Common punt: calling with 44 versus a large three bet to set mine. Without deep stacks, it fails the math.

TPP Exploit Framework

• The Exploit: When an opponent three bets wide but hates four bet pots, punish with a tighter but frequent OOP four bet plan and clean sizes.
• The Risk: Too much OOP four bet bluffing turns into negative EV postflop, especially versus strong in position regs.
• The Counter: If they start calling more, reduce bluffs and develop a stronger postflop plan with condensed value and selective c bets.

Advanced logic, multi-way and cold three bets

Multi-way preflop changes everything. A four bet into a cold three bet line is higher variance and higher punishment if your range is wrong.

Cold three bets are often stronger and more value heavy. Treat them as less capped. Your four bet bluffs should shrink.

• Versus open, three bet, cold call, your four bet range should become more linear and value focused.
• Hands like 87s and 44 lose value fast when ranges tighten and realization drops.

In online pools, players also under defend in complex nodes when multi-tabling. That creates exploit opportunities, but only with correct blockers and sizing discipline.

TPP Exploit Framework

• The Exploit: Four bet thin value more often when the pool over folds in multi-way squeeze spots.
• The Risk: If the cold three bettor is strong and continues correctly, your thin value becomes dominated.
• The Counter: When you see balanced continues, revert to tighter value, reduce bluffs, and prioritize position and realization.

Anti-hope poker rules for four bet pots

Four bet pots punish indecision. You must know if you are four betting to stack off, four betting as a bluff, or four betting as a merge.

• Do not flat three bets with KJo OOP “to see one”. Your Equity Realization (R) collapses.
• Do not set mine with 44 unless stacks and price justify it. Calculate, do not guess.
• Do not four bet bluff without Blockers/Unblockers in reg heavy pools. You get called, you get punished.

Discipline is how you beat rake-drag. Aggression with structure is how you beat regs. Random aggression is how you torch.

TPP Exploit Framework

• The Exploit: Remove passive calls, replace them with either four bet or fold. Force the pool to make mistakes now.
• The Risk: Over simplifying can make you too predictable, especially if your four bets are only value.
• The Counter: Add a small, blocker driven bluff region to protect your value and maintain pressure.