PokerSolver
PokerSolver/Fast-fold NL5 6-max 100bb/BB vs CO 3-bet 4bb

BB vs CO 3-bet 4bb

Fast-fold NL5 6-max ($0.02/$0.05) · 100bb · UTG opens 2bb, CO 3-bets to 4bb · Big blind to act

Fast-fold NL5 · 6-max · 100bbChange 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 95.5%Call 1.1%Raise 9.2bb 3.3%All-in 100bb 0.1%
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 NL5 6-max at 100bb?

UTG opens 2bb, CO 3-bets to 4bb in Fast-fold NL5 6-max, 100bb: the big blind (BB) folds 95.5%, calls 1.1%, raises 9.2bb 3.3% and goes all-in 100bb 0.1%. Always raise 9.2bb: AA, AQs+. Mixed: TT-KK, 55-66, AJs, A5s, KQs, QJs, T9s, 76s, 65s, 53s, AKo.

Always fold
77-99, 22-44, A6s-ATs, A2s-A4s, K2s-KJs, Q2s-QTs, J2s+, T2s-T8s, 92s+, 82s+, 72s-75s, 62s-64s, 54s, 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 raise 9.2bb
AA, AQs+
Always all-in 100bb
No hand plays this every time
Mixed
TT-KK, 55-66, AJs, A5s, KQs, QJs, T9s, 76s, 65s, 53s, AKo
Preset: Fast-fold, NL5 ($0.02/$0.05), 6-max, 100bb stacks, 5% rake capped at 3bb. Solver: HoldemResources Calculator (HRC). 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.