PokerSolver/4-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/SB vs BTN call

SB vs BTN call

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 150bb · CO opens 2bb, BTN calls · Small blind to act

4-max · 150bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 6.14bbYour cards?

0.5bb

1bb

2bb

Tap your two cards.

Small blind's range

1,326 of 1,326 combos get here

Fold 87.2%Call 4.9%Raise 4/6bb 7.9%

Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the small blind (SB) when CO opens 2bb, BTN calls in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 150bb?

CO opens 2bb, BTN calls in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 150bb: the small blind (SB) folds 87.2%, calls 4.9% and raises 4/6bb 7.9%. Always call: AQo. Always raise 4/6bb: QQ+, AQs+, KQs, AKo. Mixed: 22-JJ, A2s-AJs, K6s-KJs, QTs+, Q8s, Q4s, 97s+, 86s+, 76s, 65s, AJo, KQo.

Always fold: K2s-K5s, Q9s, Q5s-Q7s, Q2s-Q3s, J2s+, T2s+, 92s-96s, 82s-85s, 72s-75s, 62s-64s, 52s+, 42s+, 32s, A2o-ATo, K2o-KJo, Q2o+, J2o+, T2o+, 92o+, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
Always call: AQo
Always raise 4/6bb: QQ+, AQs+, KQs, AKo
Mixed: 22-JJ, A2s-AJs, K6s-KJs, QTs+, Q8s, Q4s, 97s+, 86s+, 76s, 65s, AJo, KQo

Settings: 4-max · 150bb · 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, 150bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.5). 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.