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

BB vs BTN iso raise 2bb

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

4-max · 200bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 5.14bbYour cards?

1bb

2bb

0.5bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here

Fold 76.2%Call 16.8%Raise 4/6bb 7%

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

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

CO limps, BTN isolates to 2bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 200bb: the big blind (BB) folds 76.2%, calls 16.8% and raises 4/6bb 7%. Always call: QQ, 33, AQs, K6s, AKo, ATo, KQo. Always raise 4/6bb: 77, KTs-KJs. Mixed: KK+, 88-JJ, 44-66, 22, AKs, A2s-AJs, KQs, K7s-K9s, K4s-K5s, Q9s+, Q3s-Q5s, J9s, T9s, 97s+, 85s+, 75s+, 64s+, 43s, AJo-AQo, A9o, A4o-A5o, KTo-KJo, Q9o+, JTo, 87o, 76o, 54o.

Always fold: K2s-K3s, Q6s-Q8s, Q2s, JTs, J2s-J8s, T2s-T8s, 92s-96s, 82s-84s, 72s-74s, 62s-63s, 52s+, 42s, 32s, A6o-A8o, A2o-A3o, K2o-K9o, Q2o-Q8o, J2o-J9o, T2o+, 92o+, 82o-86o, 72o-75o, 62o+, 52o-53o, 42o+, 32o
Always call: QQ, 33, AQs, K6s, AKo, ATo, KQo
Always raise 4/6bb: 77, KTs-KJs
Mixed: KK+, 88-JJ, 44-66, 22, AKs, A2s-AJs, KQs, K7s-K9s, K4s-K5s, Q9s+, Q3s-Q5s, J9s, T9s, 97s+, 85s+, 75s+, 64s+, 43s, AJo-AQo, A9o, A4o-A5o, KTo-KJo, Q9o+, JTo, 87o, 76o, 54o

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.