PokerSolver
PokerSolver/6-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs BTN 3-bet 4bb

BB vs BTN 3-bet 4bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · BTN limps, BB isolates to 2bb, BTN 3-bets to 4bb · 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
6-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 7.46bbYour cards?
2bb
4bb
0.5bb

Tap your two cards.

Big blind's range

562 of 1,326 combos get here
Fold 30.1%Call 54.9%Raise 9.2bb 12.8%All-in 249.84bb 2.2%
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 2bb, BTN 3-bets to 4bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 250bb?

BTN limps, BB isolates to 2bb, BTN 3-bets to 4bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 250bb: the big blind (BB) folds 30.1%, calls 54.9%, raises 9.2bb 12.8% and goes all-in 249.84bb 2.2%. Always call: TT, 22-55, A5s, A2s, KTs, T8s, 52s, A7o, KQo. Always raise 9.2bb: AA, 99. Mixed: JJ-KK, 88, 66, A6s+, A3s, KJs+, K7s-K8s, K2s-K5s, Q7s+, Q4s-Q5s, J6s+, J3s-J4s, T9s, T7s, T5s, 97s+, 95s, 83s-86s, 75s+, 64s+, 62s, 53s+, 42s, AQo+, ATo, A8o, KTo, QTo, JTo, T9o, 98o.

Always fold
Q3s, T3s, 96s, 74s, 43s, K6o, 54o
Always call
TT, 22-55, A5s, A2s, KTs, T8s, 52s, A7o, KQo
Always raise 9.2bb
AA, 99
Always all-in 249.84bb
No hand plays this every time
Mixed
JJ-KK, 88, 66, A6s+, A3s, KJs+, K7s-K8s, K2s-K5s, Q7s+, Q4s-Q5s, J6s+, J3s-J4s, T9s, T7s, T5s, 97s+, 95s, 83s-86s, 75s+, 64s+, 62s, 53s+, 42s, AQo+, ATo, A8o, KTo, QTo, JTo, T9o, 98o
Settings: 6-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 29.27). 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.