PokerSolver/6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs CO 3-bet 5bb

BB vs CO 3-bet 5bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 40bb · UTG opens 2.5bb, CO 3-bets to 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

6-max · 40bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differUTGHJCOBTNSBBB

Pot 9.96bbYour cards?

1bb

2.5bb

5bb

0.5bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here

Fold 94%Call 0.3%Raise 11.5bb 2.4%All-in 39.84bb 3.3%

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

What is the GTO play for the big blind (BB) when UTG opens 2.5bb, CO 3-bets to 5bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 40bb?

UTG opens 2.5bb, CO 3-bets to 5bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 40bb: the big blind (BB) folds 94%, calls 0.3%, raises 11.5bb 2.4% and goes all-in 39.84bb 3.3%. Always raise 11.5bb: AA, AKs. Always all-in 39.84bb: JJ. Mixed: QQ-KK, 88-TT, 55, A9s-AQs, A5s-A6s, KQs, AQo+.

Always fold: 66-77, 22-44, A7s-A8s, A2s-A4s, K2s-KJs, Q2s+, J2s+, T2s+, 92s+, 82s+, 72s+, 62s+, 52s+, 42s+, 32s, A2o-AJo, K2o+, Q2o+, J2o+, T2o+, 92o+, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
Always call: No hand plays this every time
Always raise 11.5bb: AA, AKs
Always all-in 39.84bb: JJ
Mixed: QQ-KK, 88-TT, 55, A9s-AQs, A5s-A6s, KQs, AQo+

Settings: 6-max · 40bb · 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, 40bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.93). 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.