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 2.5bb, BB 3-bets to 7.5bb, 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 258.3bbYour cards?
7.5bb
249.84bb
Tap your two cards.
Big blind's range
1,074 of 1,326 combos get hereFold 97.3%Call 2.7%
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 2.5bb, BB 3-bets to 7.5bb, SB goes all-in in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 250bb?
SB opens 2.5bb, BB 3-bets to 7.5bb, SB goes all-in in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 250bb: the big blind (BB) folds 97.3% and calls 2.7%. Always call: KK+, AKs. Mixed: TT-QQ, AKo.
- Always fold
- 22-99, A2s-AQs, K2s+, Q8s+, Q6s, Q2s-Q4s, J2s+, T4s+, T2s, 92s+, 82s+, 74s+, 72s, 62s+, 53s+, 42s+, 32s, A9o-AQo, A2o-A7o, K9o+, K2o-K7o, Q9o-QTo, Q2o-Q7o, J7o+, J2o-J5o, T4o-T8o, 95o+, 85o-86o, 75o+, 53o+, 43o
- 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.