PokerSolver/6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs BTN 3-bet 4bb

BB vs BTN 3-bet 4bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 40bb · BTN limps, BB isolates to 2bb, BTN 3-bets to 4bb · Big blind to act

Fits exactlyno game we have checked

Close1 games

CoinPoker cash with antes NL50rake before the flop in 3-bet pots there, none here

6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differUTGHJCOBTNSBBB

Pot 7.46bbYour cards?

2bb

4bb

0.5bb

Tap your two cards.

Big blind's range

400 of 1,326 combos get here

Fold 45.3%Call 13.8%Raise 9.2bb 13.3%All-in 39.84bb 27.6%

Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when BTN limps, BB isolates to 2bb, BTN 3-bets to 4bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 40bb?

BTN limps, BB isolates to 2bb, BTN 3-bets to 4bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 40bb: the big blind (BB) folds 45.3%, calls 13.8%, raises 9.2bb 13.3% and goes all-in 39.84bb 27.6%. Always all-in 39.84bb: AQs. Mixed: 44-JJ, AJs, A8s-A9s, A6s, A4s, K6s, Q9s, Q7s, Q5s, 98s, 96s, 75s+, 54s, AQo+, ATo, KTo+, QJo, T9o.

Always fold: K8s, 87s, JTo
Always call: No hand plays this every time
Always raise 9.2bb: No hand plays this every time
Always all-in 39.84bb: AQs
Mixed: 44-JJ, AJs, A8s-A9s, A6s, A4s, K6s, Q9s, Q7s, Q5s, 98s, 96s, 75s+, 54s, AQo+, ATo, KTo+, QJo, T9o

Settings: 6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 40bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.93). A jackpot fee on bigger pots is not in this solve, so lines that build big pots may be slightly too loose. Bet sizes are the solved ones; a size that is not here plays like the nearest one.

Rake sources for the games it fits: the ante from 93 of our own CoinPoker hands at $0.25/$0.50 with a $0.08 ante, played 2026-09-30; the caps and the preflop rule from coinpoker.com/games/texas-holdem/, fetched 2026-10-31.