PokerSolver
PokerSolver/4-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/BB vs SB call

BB vs SB call

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 100bb · BTN opens 2bb, SB calls · Big blind to act

Fits exactlyno game we have checked
Close1 games
  • CoinPoker cash with antes NL50rake before the flop in 3-bet pots there, none here
4-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 5.64bbYour cards?
1bb
2bb
2bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 33.1%Call 50.4%Raise 4/6bb 16.5%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when BTN opens 2bb, SB calls in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 100bb?

BTN opens 2bb, SB calls in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 100bb: the big blind (BB) folds 33.1%, calls 50.4% and raises 4/6bb 16.5%. Always call: 22-55, A2s, K8s-K9s, K4s-K6s, Q7s, Q2s-Q4s, J4s, T5s, 97s, 93s, 74s, 64s, 62s, 52s, 42s, A8o-ATo, A6o, A3o-A4o, KJo, K8o-K9o, Q9o, J8o+, T7o, 97o+, 87o, 74o+, 64o+, 53o+. Always raise 4/6bb: 99+, ATs+, KQs, KTs, J9s+, AQo+. Mixed: 66-88, A3s-A9s, KJs, K7s, K2s-K3s, Q8s+, Q5s-Q6s, J5s-J8s, J2s-J3s, T6s+, T2s-T4s, 98s, 94s-96s, 92s, 83s+, 75s+, 72s-73s, 65s, 63s, 53s+, 43s, 32s, AJo, A7o, A5o, A2o, KQo, KTo, K6o-K7o, QTo+, Q3o-Q8o, J7o, T8o+, 96o, 85o-86o, 63o, 52o, 43o.

Always fold
82s, K2o-K5o, Q2o, J2o-J6o, T2o-T6o, 92o-95o, 82o-84o, 72o-73o, 62o, 42o, 32o
Always call
22-55, A2s, K8s-K9s, K4s-K6s, Q7s, Q2s-Q4s, J4s, T5s, 97s, 93s, 74s, 64s, 62s, 52s, 42s, A8o-ATo, A6o, A3o-A4o, KJo, K8o-K9o, Q9o, J8o+, T7o, 97o+, 87o, 74o+, 64o+, 53o+
Always raise 4/6bb
99+, ATs+, KQs, KTs, J9s+, AQo+
Mixed
66-88, A3s-A9s, KJs, K7s, K2s-K3s, Q8s+, Q5s-Q6s, J5s-J8s, J2s-J3s, T6s+, T2s-T4s, 98s, 94s-96s, 92s, 83s+, 75s+, 72s-73s, 65s, 63s, 53s+, 43s, 32s, AJo, A7o, A5o, A2o, KQo, KTo, K6o-K7o, QTo+, Q3o-Q8o, J7o, T8o+, 96o, 85o-86o, 63o, 52o, 43o
Settings: 4-max · 100bb · 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, 100bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.66). 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.

Rake sources for the games it fits: 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.