PokerSolver
PokerSolver/4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/SB vs BB 4-bet 17.25bb

SB vs BB 4-bet 17.25bb

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 7.5bb, BB 4-bets to 17.25bb · 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 25.39bbYour cards?
7.5bb
17.25bb

Tap your two cards.

Small blind's range

578 of 1,326 combos get here
Fold 62.9%Call 22%Raise 37.95bb 13.1%All-in 249.84bb 2%
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 7.5bb, BB 4-bets to 17.25bb 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 7.5bb, BB 4-bets to 17.25bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 250bb: the small blind (SB) folds 62.9%, calls 22%, raises 37.95bb 13.1% and goes all-in 249.84bb 2%. Always call: 22-66, KJs, QJs, JTs. Always raise 37.95bb: AA, AQs. Mixed: 77-KK, AKs, A2s-AJs, KQs, K5s-KTs, K3s, Q8s-QTs, J8s-J9s, J6s, T7s+, 97s+, 86s+, 75s+, 64s, AQo.

Always fold
K4s, K2s, Q3s-Q6s, J7s, J2s, T6s, T4s, 96s, 94s, 84s-85s, 74s, 54s, A8o-AJo, A6o, K9o+, QTo+, JTo, T8o+, 76o
Always call
22-66, KJs, QJs, JTs
Always raise 37.95bb
AA, AQs
Always all-in 249.84bb
No hand plays this every time
Mixed
77-KK, AKs, A2s-AJs, KQs, K5s-KTs, K3s, Q8s-QTs, J8s-J9s, J6s, T7s+, 97s+, 86s+, 75s+, 64s, AQo
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.