PokerSolver
PokerSolver/4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/BTN vs CO 5-bet 25.3bb

BTN vs CO 5-bet 25.3bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · CO limps, BTN isolates to 2.5bb, CO 3-bets to 5bb, BTN 4-bets to 11.5bb, CO 5-bets to 25.3bb · Button to act

4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 38.94bbYour cards?
11.5bb
0.5bb
1bb
25.3bb

Tap your two cards.

Button's range

344 of 1,326 combos get here
Fold 57.8%Call 34.9%All-in 249.84bb 7.3%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the button (BTN) when CO limps, BTN isolates to 2.5bb, CO 3-bets to 5bb, BTN 4-bets to 11.5bb, CO 5-bets to 25.3bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 250bb?

CO limps, BTN isolates to 2.5bb, CO 3-bets to 5bb, BTN 4-bets to 11.5bb, CO 5-bets to 25.3bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 250bb: the button (BTN) folds 57.8%, calls 34.9% and goes all-in 249.84bb 7.3%. Always call: QQ-KK, 88. Always all-in 249.84bb: A7s. Mixed: AA, 99-TT, 55-77, 22-33, AJs+, A9s, A4s-A6s, A2s, K9s-KJs, K6s-K7s, K3s-K4s, Q8s+, JTs, T7s+, 96s, 86s, 75s+, 65s, AQo+.

Always fold
ATs, A3s, 97s, A9o-ATo, KJo+, QTo+, JTo
Always call
QQ-KK, 88
Always all-in 249.84bb
A7s
Mixed
AA, 99-TT, 55-77, 22-33, AJs+, A9s, A4s-A6s, A2s, K9s-KJs, K6s-K7s, K3s-K4s, Q8s+, JTs, T7s+, 96s, 86s, 75s+, 65s, AQo+
Settings: 4-max · 250bb · 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, 250bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.91). 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.