PokerSolver
PokerSolver/5-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs BTN 5-bet 37.95bb

BB vs BTN 5-bet 37.95bb

5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · BTN limps, BB isolates to 2.5bb, BTN 3-bets to 7.5bb, BB 4-bets to 17.25bb, BTN 5-bets to 37.95bb · Big blind to act

5-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 56.5bbYour cards?
17.25bb
37.95bb
0.5bb

Tap your two cards.

Big blind's range

316 of 1,326 combos get here
Fold 74.9%Call 14.1%All-in 249.84bb 11%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when BTN limps, BB isolates to 2.5bb, BTN 3-bets to 7.5bb, BB 4-bets to 17.25bb, BTN 5-bets to 37.95bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 250bb?

BTN limps, BB isolates to 2.5bb, BTN 3-bets to 7.5bb, BB 4-bets to 17.25bb, BTN 5-bets to 37.95bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 250bb: the big blind (BB) folds 74.9%, calls 14.1% and goes all-in 249.84bb 11%. Mixed: QQ+, 99, AQs+, A7s-ATs, A4s, KQs, KTs, Q8s, Q6s, JTs, T8s+, 98s, 76s, 54s, AKo, ATo, QJo.

Always fold
55, A2s, K9s, K4s, QTs+, J9s, 96s-97s, 75s, 65s, AQo, KQo
Always call
No hand plays this every time
Always all-in 249.84bb
No hand plays this every time
Mixed
QQ+, 99, AQs+, A7s-ATs, A4s, KQs, KTs, Q8s, Q6s, JTs, T8s+, 98s, 76s, 54s, AKo, ATo, QJo
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.