PokerSolver/6-max · 200bb · 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) · 200bb · BTN opens 2.5bb, BB 3-bets to 7.5bb, BTN 4-bets to 17.25bb · Big blind to act

6-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differUTGHJCOBTNSBBB

Pot 26.21bbYour cards?

7.5bb

17.25bb

0.5bb

Tap your two cards.

Big blind's range

572 of 1,326 combos get here

Fold 67.3%Call 22.6%Raise 37.95bb 6.9%All-in 199.84bb 3.1%

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 200bb?

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, 200bb: the big blind (BB) folds 67.3%, calls 22.6%, raises 37.95bb 6.9% and goes all-in 199.84bb 3.1%. Always call: JJ, 88-99, 33-66, A9s-AQs, KJs+, QJs, JTs, 54s. Always raise 37.95bb: AA. Always all-in 199.84bb: AKo. Mixed: QQ-KK, TT, 77, AKs, A3s-A8s, K6s-KTs, QTs, J8s-J9s, T8s+, 98s, 86s+, 76s, 65s, AQo.

Always fold: A2s, K2s-K5s, Q4s-Q9s, J6s-J7s, J3s, T3s-T7s, 95s-97s, 93s, 84s-85s, 74s-75s, 64s, 52s-53s, 42s+, ATo-AJo, A5o-A6o, A2o, KTo+, QTo+, Q7o, J9o+, T9o
Always call: JJ, 88-99, 33-66, A9s-AQs, KJs+, QJs, JTs, 54s
Always raise 37.95bb: AA
Always all-in 199.84bb: AKo
Mixed: QQ-KK, TT, 77, AKs, A3s-A8s, K6s-KTs, QTs, J8s-J9s, T8s+, 98s, 86s+, 76s, 65s, AQo

Settings: 6-max · 200bb · 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, 200bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 28.67). 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.