PokerSolver
PokerSolver/5-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs BTN 4-bet 13.8bb

BB vs BTN 4-bet 13.8bb

5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 150bb · BTN opens 2bb, BB 3-bets to 6bb, BTN 4-bets to 13.8bb · Big blind to act

Fits exactlyno game we have checked
Close1 games
  • CoinPoker cash with antes NL50rake before the flop in 3-bet pots there, none here
5-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 21.1bbYour cards?
6bb
13.8bb
0.5bb

Tap your two cards.

Big blind's range

746 of 1,326 combos get here
Fold 72.2%Call 21.6%All-in 149.84bb 6.3%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when BTN opens 2bb, BB 3-bets to 6bb, BTN 4-bets to 13.8bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 150bb?

BTN opens 2bb, BB 3-bets to 6bb, BTN 4-bets to 13.8bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 150bb: the big blind (BB) folds 72.2%, calls 21.6% and goes all-in 149.84bb 6.3%. Always call: JJ, 55-99, 22, AQs, KQs, KTs, T9s. Always all-in 149.84bb: KK+, AKo. Mixed: QQ, TT, 33-44, AKs, A2s-AJs, KJs, K8s-K9s, K6s, K4s, Q9s+, J8s+, T8s, T6s, 96s+, 85s-86s, 76s, 64s+, 54s, 43s, ATo-AQo, KQo.

Always fold
K7s, K5s, K2s-K3s, Q8s, Q5s-Q6s, Q2s-Q3s, J6s-J7s, J3s-J4s, T7s, T4s-T5s, 94s-95s, 87s, 83s, 73s-75s, 62s, 52s-53s, 32s, A3o-A8o, KJo, K5o-K6o, QTo+, Q8o, JTo, J4o, T9o, 98o, 54o
Always call
JJ, 55-99, 22, AQs, KQs, KTs, T9s
Always all-in 149.84bb
KK+, AKo
Mixed
QQ, TT, 33-44, AKs, A2s-AJs, KJs, K8s-K9s, K6s, K4s, Q9s+, J8s+, T8s, T6s, 96s+, 85s-86s, 76s, 64s+, 54s, 43s, ATo-AQo, KQo
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.

Rake sources for the games it fits: 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.