PokerSolver/4-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/SB vs BTN 3-bet 4bb

SB vs BTN 3-bet 4bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 200bb · BTN limps, SB isolates to 2bb, BTN 3-bets to 4bb · 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

4-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 7.64bbYour cards?

2bb

1bb

4bb

Tap your two cards.

Small blind's range

572 of 1,326 combos get here

Fold 22%Call 64.2%Raise 9.2bb 8%All-in 199.84bb 5.8%

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

What is the GTO play for the small blind (SB) when BTN limps, SB isolates to 2bb, BTN 3-bets to 4bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 200bb?

BTN limps, SB isolates to 2bb, BTN 3-bets to 4bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 200bb: the small blind (SB) folds 22%, calls 64.2%, raises 9.2bb 8% and goes all-in 199.84bb 5.8%. Always call: TT, 88, 33-66, A8s-ATs, A5s, A2s, KTs, K8s, K5s-K6s, K3s, QTs, Q8s, JTs, T9s, 75s, 64s, 43s, AQo, ATo, A7o. Always all-in 199.84bb: AKo. Mixed: JJ+, 99, 77, AJs+, A6s-A7s, A3s-A4s, KJs+, K9s, K7s, K4s, QJs, Q9s, Q6s-Q7s, J5s-J9s, J3s, T7s-T8s, 97s+, 95s, 85s+, 76s, 73s, 65s, 63s, 53s+, AJo, A8o-A9o, A5o-A6o, KTo+, Q9o+, J9o+, T9o, 76o, 65o.

Always fold: 74s
Always call: TT, 88, 33-66, A8s-ATs, A5s, A2s, KTs, K8s, K5s-K6s, K3s, QTs, Q8s, JTs, T9s, 75s, 64s, 43s, AQo, ATo, A7o
Always raise 9.2bb: No hand plays this every time
Always all-in 199.84bb: AKo
Mixed: JJ+, 99, 77, AJs+, A6s-A7s, A3s-A4s, KJs+, K9s, K7s, K4s, QJs, Q9s, Q6s-Q7s, J5s-J9s, J3s, T7s-T8s, 97s+, 95s, 85s+, 76s, 73s, 65s, 63s, 53s+, AJo, A8o-A9o, A5o-A6o, KTo+, Q9o+, J9o+, T9o, 76o, 65o

Settings: 4-max · 200bb · 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, 200bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.95). 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.