Continuation betting: when to c-bet the flop, what size to use and when to check

What a c-bet is and why it works

A continuation bet takes advantage of the fact that the preflop aggressor reaches the flop with a stronger range: they raised with the best hands, while the caller usually has fewer big pairs and fewer AK.

Base example at 6-max cash, 100 bb: the BTN opens 2.5 bb, the SB folds and the BB calls. The flop pot is 5.5 bb with 97.5 bb behind (SPR 17.7). If the BTN bets 2 bb (36.4% pot):

• A bluff needs the BB to fold 2 / (5.5 + 2) = 26.7%.
• The BB needs 2 / (5.5 + 2 + 2) = 21.1% equity to call.
• The BB MDF is 5.5 / 7.5 = 73.3%.

A bet that small is cheap as a bluff and still gets value from worse hands. That is why the small c-bet is so common on flops that favor the opener.

Range advantage and nut advantage

Before you choose a size, ask two questions:

• Range advantage: which range wins more often if nobody bets? Using the POKER AULA charts, on A♦8♣3♥ the BTN opening range has 57.61% equity against the BB defending range; on 7♥6♥5♣ it drops to 49.28%.
• Nut advantage: who has more very strong hands? On A-8-3 the BTN has every AA and most AK and AQ (the BB 3-bets a good part of them). On 7-6-5 the BB has more two pairs and straights, because it defends many low suited and connected hands.

With both advantages, the plan is a range bet: bet small with every hand. Without them, the plan is a selective c-bet: bet big with part of the range and check the rest.

C-bet sizing by board texture

Board texture tells you which of the two plans to use:

Dry and high (dry board): few draws, and the opener has more kings and aces. Bet small with everything: strong hands get paid and bluffs are cheap.

Wet (wet board): the caller has many draws and more strong hands. Bet big with overpairs, sets and strong draws, and check two high cards with no draw. With 4 bb into 5.5 (72.7%), a bluff needs 4 / 9.5 = 42.1% folds and the BB needs 4 / 13.5 = 29.6% to call.

Monotone (monotone): hands without a card of that suit lose a lot of value, and a made flush will not fold. A small size is enough; with A♠J♣ (the ace of the suit) you can bluff because you block the opponent from the nut flush.

Paired (paired board): the opponent rarely has trips, so you bet small and often.

When to check back

A check back is not giving up: it is part of the plan. You check when betting gains nothing:

• Hands with showdown value that do not want to build the pot. On J♥9♣4♦, the BTN with 7♣7♦ often wins at showdown, but if it bets, only better hands and draws continue.
• Air with no outs on flops that favor the opponent. On 7♥6♥5♣, A♣Q♦ has no pair and no draw and barely folds out anything that beats it.
• To protect your checking range. If you never check strong hands, the opponent bets every turn after you check. Checking some sets or top pairs in position balances that range.

Checking the flop does not close the door: a delayed c-bet on the turn works well when the opponent checks again and the card does not help them.

C-betting out of position, in 3-bet pots and multiway

Out of position. If you opened from UTG and the BTN called, you bet less often than in the BTN vs BB example: a player who calls in position has a more condensed range (many medium pairs, little air) and realizes their equity better.

3-bet pots. The SPR is low: after a called 3-bet to 7.5 bb, 92.5 bb remain behind with a 16.5 bb pot (SPR 5.6). A small c-bet already applies pressure and leaves room to get stacks in with a strong top pair on the turn or river.

Multiway. With more opponents, bluff c-bets lose value. The CO opens 2.5 bb, the BTN calls and the BB calls: the pot is 8 bb. A 3 bb bet needs 3 / 11 = 27.3% folds. If each opponent folds half the time, both fold together only 25% of the time. Multiway, you bet mostly for value and with strong draws.

Adjusting to typical micro and small stakes opponents

• Calling station: calls with any pair or draw. Drop almost all bluffs and bet bigger with value hands, even top pair with a medium kicker.
• Player who folds too much to c-bets: if they give up 60% of the time against 2 bb into 5.5, any bluff profits, because you only needed 26.7%. Bet more air.
• Player who check-raises a lot: bet fewer hands that cannot stand a raise and check more medium hands.
• Passive player who only raises monsters: if they raise, believe them. Folding top pair to a check-raise from someone who never bluffs is correct.

Adjustments always start from the base plan: first know what you would do against a balanced opponent, then correct based on what you see.

Common c-bet mistakes

1. Betting 100% of flops with the same size, including two-tone 7-6-5 or pots with three players.
2. Betting big on dry flops with your whole range: you risk more to get the same folds.
3. Giving up on every turn when called. Plan which turn cards improve your range (aces and kings on a high flop) so you can keep betting.
4. Never checking strong hands, which leaves your checking range defenseless.
5. Bluffing players who do not fold. Against a calling station, a bluff c-bet is free money for them.

How to practice it

Pick a single spot, BTN vs BB in a single-raised pot, and sort 20 flops into the four texture types before choosing a size. C-betting is taught in the POKER AULA Intermediate level (textures, c-bet, check and check-raise), and in Professional you count range and nut advantage to choose between range bets and selective c-bets. In Training you decide whether to bet or check and which size, with the correction and THE WHY, and the Calculator shows the alpha and MDF of every size. You can try all of it with the 48-hour free trial.