PokerSolver
PokerSolver/Fast-fold NL200 6-max 20bb/BB vs CO 3-bet 4bb

BB vs CO 3-bet 4bb

Fast-fold NL200 6-max ($1/$2) · 20bb · UTG opens 2bb, CO 3-bets to 4bb · Big blind to act

Fast-fold NL200 · 6-max · 20bbChange game
Stacks (bb), if they differ
Pot 7.5bbYour cards?
1bb
2bb
4bb
0.5bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 95.3%Call 0.2%All-in 20bb 4.5%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when UTG opens 2bb, CO 3-bets to 4bb in Fast-fold NL200 6-max at 20bb?

UTG opens 2bb, CO 3-bets to 4bb in Fast-fold NL200 6-max, 20bb: the big blind (BB) folds 95.3%, calls 0.2% and goes all-in 20bb 4.5%. Always all-in 20bb: TT+, AQs+, AKo. Mixed: 66-77, AJs, A4s-A5s, KQs.

Always fold
88-99, 22-55, A6s-ATs, A2s-A3s, K2s-KJs, Q2s+, J2s+, T2s+, 92s+, 82s+, 72s+, 62s+, 52s+, 42s+, 32s, A2o-AQo, K2o+, Q2o+, J2o+, T2o+, 92o+, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
Always call
No hand plays this every time
Always all-in 20bb
TT+, AQs+, AKo
Mixed
66-77, AJs, A4s-A5s, KQs
Preset: Fast-fold, NL200 ($1/$2), 6-max, 20bb stacks, 5% rake capped at 3bb. Solver: HoldemResources Calculator (HRC) (HRC CI 24.03). 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.