PokerSolver/4-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/SB vs CO 3-bet 9bb

SB vs CO 3-bet 9bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 150bb · CO limps, SB isolates to 3bb, CO 3-bets to 9bb · 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 · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 13.64bbYour cards?

3bb

1bb

9bb

Tap your two cards.

Small blind's range

350 of 1,326 combos get here

Fold 67.8%Call 13.6%Raise 20.7bb 14.3%All-in 149.84bb 4.3%

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

What is the GTO play for the small blind (SB) when CO limps, SB isolates to 3bb, CO 3-bets to 9bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 150bb?

CO limps, SB isolates to 3bb, CO 3-bets to 9bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 150bb: the small blind (SB) folds 67.8%, calls 13.6%, raises 20.7bb 14.3% and goes all-in 149.84bb 4.3%. Mixed: 44+, ATs+, A3s-A8s, K9s+, K7s, K3s, QTs+, T9s, 97s, 76s, 65s, 53s, AQo+.

Always fold: A9s, K8s, K2s, Q8s, Q2s, J7s+, T7s-T8s, 98s, 86s, 64s, 54s, A9o-AJo, KQo, KTo, QJo, JTo
Always call: No hand plays this every time
Always raise 20.7bb: No hand plays this every time
Always all-in 149.84bb: No hand plays this every time
Mixed: 44+, ATs+, A3s-A8s, K9s+, K7s, K3s, QTs+, T9s, 97s, 76s, 65s, 53s, AQo+

Settings: 4-max · 150bb · 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, 150bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.5). 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.