PokerSolver/4-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/SB vs BB all-in

SB vs BB all-in

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 150bb · SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB goes all-in · Small 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

Tournament

4-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 154.48bbYour cards?

4bb

149.84bb

Tap your two cards.

Small blind's range

702 of 1,326 combos get here

Fold 86.9%Call 13.1%

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

What is the GTO play for the small blind (SB) when SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB goes all-in in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 150bb?

SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB goes all-in in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 150bb: the small blind (SB) folds 86.9% and calls 13.1%. Always call: JJ+, AKs, AJs, AKo. Mixed: 33-TT, AQs, A9s-ATs, A4s, KTs+, Q7s-Q8s, Q4s, J7s, AJo-AQo, A8o, KQo.

Always fold: 22, A5s-A6s, K9s, K2s-K7s, Q9s+, Q5s, Q2s, JTs, J8s, J4s-J5s, T7s+, T5s, T2s-T3s, 95s+, 93s, 86s+, 84s, 76s, 64s+, 54s, A9o-ATo, A7o, A2o-A5o, K9o-KJo, K4o, QTo+, Q6o, J9o, J7o, T8o, 97o, 87o, 65o
Always call: JJ+, AKs, AJs, AKo
Mixed: 33-TT, AQs, A9s-ATs, A4s, KTs+, Q7s-Q8s, Q4s, J7s, AJo-AQo, A8o, KQo

Settings: 4-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 150bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.5). 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.