PokerSolver/Heads-up · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb/SB vs BB 4-bet 9.2bb

SB vs BB 4-bet 9.2bb

Heads-up · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb (blinds 0.5/1bb, ante 0.16bb) · 80bb · SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB 4-bets to 9.2bb · Small blind / button to act

Heads-up · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differSBBB

Pot 13.52bbYour cards?

4bb

9.2bb

Tap your two cards.

Small blind / button's range

814 of 1,326 combos get here

Fold 45.3%Call 46.6%All-in 79.84bb 8%

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

What is the GTO play for the small blind / button (SB) when SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB 4-bets to 9.2bb in Heads-up · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb at 80bb?

SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB 4-bets to 9.2bb in Heads-up · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb, 80bb: the small blind / button (SB) folds 45.3%, calls 46.6% and goes all-in 79.84bb 8%. Always call: AA, 66-88, A8s, A4s, Q4s, J5s, T7s, 75s, ATo-AQo, A5o, A3o, KQo, KTo, QTo+. Always all-in 79.84bb: AKo. Mixed: 99-KK, AQs+, A2s, K6s, K2s-K3s, Q7s, Q5s, Q2s, J6s, J3s-J4s, T6s, 93s-95s, 84s-85s, 73s, 52s, 32s, A6o-A9o, A4o, A2o, KJo, K8o-K9o, K6o, JTo, T9o, 87o, 64o.

Always fold: T4s, 83s, 72s, K7o, K4o, K2o, Q2o, J8o, J2o, T8o, 94o-95o, 86o, 63o, 54o
Always call: AA, 66-88, A8s, A4s, Q4s, J5s, T7s, 75s, ATo-AQo, A5o, A3o, KQo, KTo, QTo+
Always all-in 79.84bb: AKo
Mixed: 99-KK, AQs+, A2s, K6s, K2s-K3s, Q7s, Q5s, Q2s, J6s, J3s-J4s, T6s, 93s-95s, 84s-85s, 73s, 52s, 32s, A6o-A9o, A4o, A2o, KJo, K8o-K9o, K6o, JTo, T9o, 87o, 64o

Settings: Heads-up · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 80bb stacks, 5% rake capped at 2bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 22.38). 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.