PokerSolver
PokerSolver/Fast-fold NL200 6-max 40bb/BB vs BTN 4-bet 11.5bb

BB vs BTN 4-bet 11.5bb

Fast-fold NL200 6-max ($1/$2) · 40bb · BTN opens 2.5bb, BB 3-bets to 5bb, BTN 4-bets to 11.5bb · Big blind to act

Fast-fold NL200 · 6-max · 40bbChange game
Stacks (bb), if they differ
Pot 17bbYour cards?
5bb
11.5bb
0.5bb

Tap your two cards.

Big blind's range

246 of 1,326 combos get here
Fold 52.4%Call 29.6%All-in 40bb 18%
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 5bb, BTN 4-bets to 11.5bb in Fast-fold NL200 6-max at 40bb?

BTN opens 2.5bb, BB 3-bets to 5bb, BTN 4-bets to 11.5bb in Fast-fold NL200 6-max, 40bb: the big blind (BB) folds 52.4%, calls 29.6% and goes all-in 40bb 18%. Always call: AA, 66-88, ATs-AJs, A5s, KQs, KTs, QJs, 76s, 65s. Always all-in 40bb: KK, AKs, AKo. Mixed: TT, AQs, KJs, QTs, JTs, 54s.

Always fold
K7s, Q9s, ATo, A5o, KTo, QTo+, JTo, T9o
Always call
AA, 66-88, ATs-AJs, A5s, KQs, KTs, QJs, 76s, 65s
Always all-in 40bb
KK, AKs, AKo
Mixed
TT, AQs, KJs, QTs, JTs, 54s
Preset: Fast-fold, NL200 ($1/$2), 6-max, 40bb stacks, 5% rake capped at 3bb. Solver: HoldemResources Calculator (HRC) (HRC CI 24.4). 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.