BB vs SB all-in
6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · SB opens 3bb, BB 3-bets to 9bb, SB goes all-in · Big blind to act
6-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 259.8bbYour cards?
9bb
249.84bb
Tap your two cards.
Big blind's range
738 of 1,326 combos get hereFold 95.9%Call 4.1%
Tap a hand, or type one above, to see its exact mix.
What is the GTO play for the big blind (BB) when SB opens 3bb, BB 3-bets to 9bb, SB goes all-in in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 250bb?
SB opens 3bb, BB 3-bets to 9bb, SB goes all-in in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 250bb: the big blind (BB) folds 95.9% and calls 4.1%. Always call: KK+, AKs. Mixed: TT-QQ, AKo.
- Always fold
- 22-99, A9s-AQs, A2s-A7s, K2s+, QTs+, J8s+, J2s, T8s+, T6s, T4s, T2s, 92s+, 86s+, 75s+, 63s+, 52s+, 43s, ATo-AQo, A2o-A6o, K8o+, K3o-K6o, Q5o-Q8o, J7o-J8o, T6o-T8o, 98o, 86o, 65o, 54o
- Always call
- KK+, AKs
- Mixed
- TT-QQ, AKo
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.
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.