PokerSolver/4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/BB vs CO 3-bet 9bb

BB 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) · 80bb · CO limps, BB isolates to 3bb, CO 3-bets to 9bb · Big 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 · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 13.14bbYour cards?

3bb

9bb

0.5bb

Tap your two cards.

Big blind's range

492 of 1,326 combos get here

Fold 76.7%Call 4.4%Raise 20.7bb 14.5%All-in 79.84bb 4.4%

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

What is the GTO play for the big blind (BB) when CO limps, BB isolates to 3bb, CO 3-bets to 9bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 80bb?

CO limps, BB isolates to 3bb, CO 3-bets to 9bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 80bb: the big blind (BB) folds 76.7%, calls 4.4%, raises 20.7bb 14.5% and goes all-in 79.84bb 4.4%. Mixed: 77+, 33-44, A9s+, A7s, A4s-A5s, A2s, KQs, K8s, QJs, T7s+, 65s, 54s, AKo, AJo, A8o, QJo.

Always fold: 55-66, A8s, A6s, A3s, K9s-KJs, K6s-K7s, K4s, Q7s-QTs, J9s+, J7s, 96s+, 92s, 84s+, 74s-75s, 64s, 52s-53s, 42s+, A9o-ATo, KTo+, JTo, 54o
Always call: No hand plays this every time
Always raise 20.7bb: No hand plays this every time
Always all-in 79.84bb: No hand plays this every time
Mixed: 77+, 33-44, A9s+, A7s, A4s-A5s, A2s, KQs, K8s, QJs, T7s+, 65s, 54s, AKo, AJo, A8o, QJo

Settings: 4-max · 80bb · 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, 80bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.98). 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.