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Turn Defense

Lesson 18 · Facing the second barrel · 24 practice questions

Turn barrels are polarized

Turn bets after flop action are often polarized — value (two pair+) or semi-bluffs (draws). One pair needs a good reason to continue.

Defend draws aggressively

Strong draws (flush + straight, 12+ outs) should raise or call vs turn barrels — they have equity and fold equity.

Fold the bottom on scare cards

When the turn brings a scare card (flush/straight completing), fold one-pair hands that can't beat value.

Key takeaways

• Turn barrels polarize — fold medium one-pair hands on bad cards.
• Continue with strong draws and top-of-range bluff-catchers.
• Scare cards reduce your continuing range — adjust accordingly.

Sample drill from this lesson

Turn, villain barrels after c-betting flop. You hold J♠T♣ top pair on J-9-4-2. Best action?

Board: J♥ 9♦ 4♣ 2♠
Your hand: J♠ 10♣

Best action: Call

Why: ✓ You hold one pair as a bluff-catcher; vs a polarized bet, MDF = 1−10/24 = 58%, and you only need ~29% to call. Calling is right.

FAQ

How do you defend against a turn barrel?

Continue with hands that still beat bluffs or have equity to improve, fold hands that lost their equity on the turn card, and stay near the MDF against balanced opponents.

Should you call flop planning to fold most turns?

Sometimes — many turn cards let you fold correctly — but pick flop calls with equity or good turn coverage so you’re not forced to over-fold and become exploitable.

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Also train preflop: Preflop Camp (GTO preflop trainer by the same maker)