PokerSolver/5-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs CO 3-bet 7.5bb

BB vs CO 3-bet 7.5bb

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 2.5bb, CO 3-bets to 7.5bb · 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 11.3bbYour cards?

2.5bb

7.5bb

0.5bb

Tap your two cards.

Big blind's range

294 of 1,326 combos get here

Fold 62.4%Call 7.9%Raise 17.25bb 24.5%All-in 79.84bb 5.2%

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 2.5bb, CO 3-bets to 7.5bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 80bb?

CO limps, BB isolates to 2.5bb, CO 3-bets to 7.5bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 80bb: the big blind (BB) folds 62.4%, calls 7.9%, raises 17.25bb 24.5% and goes all-in 79.84bb 5.2%. Mixed: 44+, A5s+, A3s, K9s-KJs, K5s-K6s, QJs, Q9s, JTs, T8s+, 98s, AKo, AJo.

Always fold: A4s, KQs, K8s, K4s, QTs, J8s-J9s, T6s, 75s+, 54s, JTo
Always call: No hand plays this every time
Always raise 17.25bb: No hand plays this every time
Always all-in 79.84bb: No hand plays this every time
Mixed: 44+, A5s+, A3s, K9s-KJs, K5s-K6s, QJs, Q9s, JTs, T8s+, 98s, AKo, AJo

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.