PokerSolver/6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/SB vs BTN 4-bet 9.2bb

SB vs BTN 4-bet 9.2bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 40bb · BTN opens 2bb, SB 3-bets to 4bb, BTN 4-bets to 9.2bb · Small blind to act

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

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differUTGHJCOBTNSBBB

Pot 15.16bbYour cards?

4bb

1bb

9.2bb

Tap your two cards.

Small blind's range

496 of 1,326 combos get here

Fold 64.7%Call 10.5%All-in 39.84bb 24.8%

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

What is the GTO play for the small blind (SB) when BTN opens 2bb, SB 3-bets to 4bb, BTN 4-bets to 9.2bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 40bb?

BTN opens 2bb, SB 3-bets to 4bb, BTN 4-bets to 9.2bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 40bb: the small blind (SB) folds 64.7%, calls 10.5% and goes all-in 39.84bb 24.8%. Always all-in 39.84bb: QQ-KK, AJs+, AJo+. Mixed: AA, 55-JJ, ATs, A2s-A8s, K9s+, QTs, J9s+, T9s, A8o-ATo, KJo, QJo.

Always fold: K7s-K8s, K3s, Q8s, T8s, T6s, 87s, 65s, A5o-A6o, KQo, KTo, QTo, JTo
Always call: No hand plays this every time
Always all-in 39.84bb: QQ-KK, AJs+, AJo+
Mixed: AA, 55-JJ, ATs, A2s-A8s, K9s+, QTs, J9s+, T9s, A8o-ATo, KJo, QJo

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.

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.