PokerSolver/5-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs CO 3-bet 9bb

BB vs CO 3-bet 9bb

5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 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

5-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differHJCOBTNSBBB

Pot 13.3bbYour cards?

3bb

9bb

0.5bb

Tap your two cards.

Big blind's range

434 of 1,326 combos get here

Fold 77.1%Call 4.1%Raise 20.7bb 13%All-in 79.84bb 5.7%

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 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 80bb?

CO limps, BB isolates to 3bb, CO 3-bets to 9bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 80bb: the big blind (BB) folds 77.1%, calls 4.1%, raises 20.7bb 13% and goes all-in 79.84bb 5.7%. Mixed: 88+, 55-66, A7s+, A2s-A5s, KTs+, K5s, Q8s, J8s, T8s, 97s, 87s, 43s, AKo, ATo-AJo, T8o.

Always fold: 77, A6s, K8s-K9s, K3s, Q9s+, Q7s, J9s+, J7s, J5s, T9s, T6s-T7s, T4s, 98s, 85s-86s, 75s+, 63s+, 52s+, KTo+, QJo, JTo
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: 88+, 55-66, A7s+, A2s-A5s, KTs+, K5s, Q8s, J8s, T8s, 97s, 87s, 43s, AKo, ATo-AJo, T8o

Settings: 5-max · 80bb · 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, 80bb stacks, 5% rake capped at 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.