PokerSolver
PokerSolver/4-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/BB vs SB open 2bb

BB vs SB open 2bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 200bb · SB opens 2bb · Big blind to act

4-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 3.64bbYour cards?
1bb
2bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 8.9%Call 63.7%Raise 4/6bb 27.3%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB opens 2bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 200bb?

SB opens 2bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 200bb: the big blind (BB) folds 8.9%, calls 63.7% and raises 4/6bb 27.3%. Always call: K3s, Q2s-Q7s, J6s-J7s, J4s, T5s, T2s-T3s, 82s-84s, 73s, 52s, 42s+, A6o-A8o, A4o, K6o-K8o, K2o-K4o, QJo, Q9o, Q5o, J8o-J9o, J2o-J4o, T7o, T3o-T5o, 96o+, 86o+, 74o+, 65o, 52o-53o, 43o. Always raise 4/6bb: 55+, ATs+, A4s-A5s, KTs-KJs, QJs, J9s+, T7s, 97s+, 87s, 74s, AQo+. Mixed: 22-44, A6s-A9s, A2s-A3s, KQs, K4s-K9s, K2s, Q8s-QTs, J8s, J5s, J2s-J3s, T8s+, T6s, T4s, 92s-96s, 85s-86s, 75s+, 72s, 62s+, 53s+, 32s, A9o-AJo, A5o, A2o-A3o, K9o+, K5o, QTo, Q6o-Q8o, Q2o-Q4o, JTo, J5o-J7o, T8o+, T6o, T2o, 93o-95o, 84o-85o, 63o-64o, 54o, 42o.

Always fold
92o, 82o-83o, 72o-73o, 62o, 32o
Always call
K3s, Q2s-Q7s, J6s-J7s, J4s, T5s, T2s-T3s, 82s-84s, 73s, 52s, 42s+, A6o-A8o, A4o, K6o-K8o, K2o-K4o, QJo, Q9o, Q5o, J8o-J9o, J2o-J4o, T7o, T3o-T5o, 96o+, 86o+, 74o+, 65o, 52o-53o, 43o
Always raise 4/6bb
55+, ATs+, A4s-A5s, KTs-KJs, QJs, J9s+, T7s, 97s+, 87s, 74s, AQo+
Mixed
22-44, A6s-A9s, A2s-A3s, KQs, K4s-K9s, K2s, Q8s-QTs, J8s, J5s, J2s-J3s, T8s+, T6s, T4s, 92s-96s, 85s-86s, 75s+, 72s, 62s+, 53s+, 32s, A9o-AJo, A5o, A2o-A3o, K9o+, K5o, QTo, Q6o-Q8o, Q2o-Q4o, JTo, J5o-J7o, T8o+, T6o, T2o, 93o-95o, 84o-85o, 63o-64o, 54o, 42o
Settings: 4-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 200bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.95). 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.