PokerSolver
PokerSolver/4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/SB vs BB 4-bet 11.5bb

SB vs BB 4-bet 11.5bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · SB limps, BB isolates to 2.5bb, SB 3-bets to 5bb, BB 4-bets to 11.5bb · Small blind to act

4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 17.14bbYour cards?
5bb
11.5bb

Tap your two cards.

Small blind's range

558 of 1,326 combos get here
Fold 52%Call 38%Raise 25.3bb 9.1%All-in 249.84bb 0.9%
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 2.5bb, SB 3-bets to 5bb, BB 4-bets to 11.5bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 250bb?

SB limps, BB isolates to 2.5bb, SB 3-bets to 5bb, BB 4-bets to 11.5bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 250bb: the small blind (SB) folds 52%, calls 38%, raises 25.3bb 9.1% and goes all-in 249.84bb 0.9%. Always call: 99-TT, 55-77, 22-33, A5s-A6s, A3s, KQs, Q9s-QTs. Always raise 25.3bb: KK. Mixed: AA, JJ-QQ, 88, 44, A7s-AJs, A4s, A2s, K3s-KJs, QJs, Q6s-Q8s, J8s+, T9s, T7s, 97s+, 85s+, 75s+, 65s, 53s+, AJo-AQo, KTo+, QJo, JTo.

Always fold
Q5s, J4s, 96s, A8o-ATo, T8o, 98o
Always call
99-TT, 55-77, 22-33, A5s-A6s, A3s, KQs, Q9s-QTs
Always raise 25.3bb
KK
Always all-in 249.84bb
No hand plays this every time
Mixed
AA, JJ-QQ, 88, 44, A7s-AJs, A4s, A2s, K3s-KJs, QJs, Q6s-Q8s, J8s+, T9s, T7s, 97s+, 85s+, 75s+, 65s, 53s+, AJo-AQo, KTo+, QJo, JTo
Settings: 4-max · 250bb · 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, 250bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.91). 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.

Fits exactly: no game we have checked.

Close: CoinPoker cash with antes NL50 (rake before the flop in 3-bet pots there, none here).

Rake sources: 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.