PokerSolver
PokerSolver/6-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb/BB vs BTN 4-bet 17.25bb

BB vs BTN 4-bet 17.25bb

6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · BTN opens 2.5bb, BB 3-bets to 7.5bb, BTN 4-bets to 17.25bb · 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
Tournament
6-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 26.21bbYour cards?
7.5bb
17.25bb
0.5bb

Tap your two cards.

Big blind's range

646 of 1,326 combos get here
Fold 69.2%Call 21.8%Raise 37.95bb 6.1%All-in 249.84bb 2.8%
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 2.5bb, BB 3-bets to 7.5bb, BTN 4-bets to 17.25bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 250bb?

BTN opens 2.5bb, BB 3-bets to 7.5bb, BTN 4-bets to 17.25bb in 6-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 250bb: the big blind (BB) folds 69.2%, calls 21.8%, raises 37.95bb 6.1% and goes all-in 249.84bb 2.8%. Always call: 22-77, AJs, A9s, QTs+, JTs, 87s. Always raise 37.95bb: AA. Always all-in 249.84bb: AKo. Mixed: 88-KK, AQs+, ATs, A2s-A8s, KTs+, K7s, K4s, Q9s, J8s-J9s, T8s+, 98s, 86s, 76s, 64s+, 54s, AQo.

Always fold
K8s-K9s, K5s-K6s, K2s-K3s, Q2s-Q8s, J6s-J7s, J3s-J4s, T4s-T7s, 95s-97s, 85s, 74s-75s, 62s-63s, 52s-53s, 42s+, A9o-AJo, A4o-A6o, KTo+, K7o, K5o, QTo+, J9o+, T9o, 98o
Always call
22-77, AJs, A9s, QTs+, JTs, 87s
Always raise 37.95bb
AA
Always all-in 249.84bb
AKo
Mixed
88-KK, AQs+, ATs, A2s-A8s, KTs+, K7s, K4s, Q9s, J8s-J9s, T8s+, 98s, 86s, 76s, 64s+, 54s, AQo
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.