PokerSolver
PokerSolver/5-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BTN vs CO 4-bet 9.2bb

BTN vs CO 4-bet 9.2bb

5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · CO opens 2bb, BTN 3-bets to 4bb, CO 4-bets to 9.2bb · Button to act

5-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 15.5bbYour cards?
4bb
0.5bb
1bb
9.2bb

Tap your two cards.

Button's range

350 of 1,326 combos get here
Fold 8.3%Call 77.3%Raise 20.24bb 14%All-in 249.84bb 0.4%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the button (BTN) when CO opens 2bb, BTN 3-bets to 4bb, CO 4-bets to 9.2bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 250bb?

CO opens 2bb, BTN 3-bets to 4bb, CO 4-bets to 9.2bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 250bb: the button (BTN) folds 8.3%, calls 77.3%, raises 20.24bb 14% and goes all-in 249.84bb 0.4%. Always call: 22-TT, A8s, A2s-A4s, KTs-KJs, K7s-K8s, QTs, JTs, T9s, 97s, 87s, 54s, AJo, KJo. Always raise 20.24bb: AA, AKs. Mixed: JJ-KK, A9s-AQs, A7s, A5s, KQs, K5s-K6s, QJs, Q8s-Q9s, J8s, T8s, 98s, 86s, 76s, AQo+, ATo, KQo, KTo, QTo+, JTo.

Always fold
No hand plays this every time
Always call
22-TT, A8s, A2s-A4s, KTs-KJs, K7s-K8s, QTs, JTs, T9s, 97s, 87s, 54s, AJo, KJo
Always raise 20.24bb
AA, AKs
Always all-in 249.84bb
No hand plays this every time
Mixed
JJ-KK, A9s-AQs, A7s, A5s, KQs, K5s-K6s, QJs, Q8s-Q9s, J8s, T8s, 98s, 86s, 76s, AQo+, ATo, KQo, KTo, QTo+, JTo
Settings: 5-max · 250bb · 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, 250bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.98). 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.