PokerSolver
PokerSolver/4-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/CO vs BB 3-bet 9bb

CO vs BB 3-bet 9bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 100bb · CO opens 3bb, BB 3-bets to 9bb · Cutoff to act

4-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 13.14bbYour cards?
3bb
0.5bb
9bb

Tap your two cards.

Cutoff's range

538 of 1,326 combos get here
Fold 43.5%Call 42.4%Raise 20.7bb 13.6%All-in 99.84bb 0.5%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the cutoff (CO) when CO opens 3bb, BB 3-bets to 9bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 100bb?

CO opens 3bb, BB 3-bets to 9bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 100bb: the cutoff (CO) folds 43.5%, calls 42.4%, raises 20.7bb 13.6% and goes all-in 99.84bb 0.5%. Always call: 22-TT, A2s-AQs, K9s+, Q8s+, J8s+, T8s+, 97s+, 86s+, 75s+, 64s+, 54s. Always raise 20.7bb: QQ+, AKs, K4s. Mixed: JJ, K5s-K8s, K3s, 96s, A9o+, A5o, KJo+, QJo.

Always fold
K2s, Q4s-Q7s, J5s-J7s, T6s-T7s, A6o-A8o, A4o, K8o-KTo, Q9o-QTo, J9o+, T9o
Always call
22-TT, A2s-AQs, K9s+, Q8s+, J8s+, T8s+, 97s+, 86s+, 75s+, 64s+, 54s
Always raise 20.7bb
QQ+, AKs, K4s
Always all-in 99.84bb
No hand plays this every time
Mixed
JJ, K5s-K8s, K3s, 96s, A9o+, A5o, KJo+, QJo
Settings: 4-max · 100bb · 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, 100bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.66). 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.

Fits exactly: no game we have checked.

Close: CoinPoker cash with antes NL50 (rake before the flop in 3-bet pots there, none here).

Rake sources: 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.