PokerSolver
PokerSolver/6-max · 20bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs BTN 3-bet 7.5bb

BB vs BTN 3-bet 7.5bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 20bb · BTN limps, BB isolates to 2.5bb, BTN 3-bets to 7.5bb · 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 · 20bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 11.46bbYour cards?
2.5bb
7.5bb
0.5bb

Tap your two cards.

Big blind's range

450 of 1,326 combos get here
Fold 47.3%Call 19.1%All-in 19.84bb 33.7%
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 in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 20bb?

BTN limps, BB isolates to 2.5bb, BTN 3-bets to 7.5bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 20bb: the big blind (BB) folds 47.3%, calls 19.1% and goes all-in 19.84bb 33.7%. Always all-in 19.84bb: QQ, 99-TT, 77, AQs, AQo. Mixed: 88, 44-66, AKs, A7s-A9s, A4s-A5s, KJs+, K9s, K5s-K6s, Q9s+, JTs, T9s, T7s, 97s, AKo, A8o-AJo, A5o, KTo+, QJo.

Always fold
Q7s-Q8s, J7s-J9s, T8s, T6s, 87s, QTo, T9o, 87o
Always call
No hand plays this every time
Always all-in 19.84bb
QQ, 99-TT, 77, AQs, AQo
Mixed
88, 44-66, AKs, A7s-A9s, A4s-A5s, KJs+, K9s, K5s-K6s, Q9s+, JTs, T9s, T7s, 97s, AKo, A8o-AJo, A5o, KTo+, QJo
Settings: 6-max · 20bb · 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, 20bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.9). 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.