PokerSolver/5-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/CO vs HJ 4-bet 20.7bb

CO vs HJ 4-bet 20.7bb

5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 150bb · HJ opens 3bb, CO 3-bets to 9bb, HJ 4-bets to 20.7bb · Cutoff to act

5-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differHJCOBTNSBBB

Pot 32bbYour cards?

9bb

0.5bb

1bb

20.7bb

Tap your two cards.

Cutoff's range

280 of 1,326 combos get here

Fold 36.7%Call 55.7%All-in 149.84bb 7.6%

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

What is the GTO play for the cutoff (CO) when HJ opens 3bb, CO 3-bets to 9bb, HJ 4-bets to 20.7bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 150bb?

HJ opens 3bb, CO 3-bets to 9bb, HJ 4-bets to 20.7bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 150bb: the cutoff (CO) folds 36.7%, calls 55.7% and goes all-in 149.84bb 7.6%. Always call: 33-QQ, AJs+, A9s, KJs+, QJs, J9s+, T9s, 86s+, 76s, 65s. Mixed: KK+, ATs, A8s, A3s-A6s, KTs, AQo+.

Always fold: A7s, A2s, K7s-K9s, K4s-K5s, QTs, ATo-AJo, KJo+
Always call: 33-QQ, AJs+, A9s, KJs+, QJs, J9s+, T9s, 86s+, 76s, 65s
Always all-in 149.84bb: No hand plays this every time
Mixed: KK+, ATs, A8s, A3s-A6s, KTs, AQo+

Settings: 5-max · 150bb · 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, 150bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.89). 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.