BB vs SB iso raise 3bb
6-max · SB 0.5bb · 5% rake, cap 3bb (blinds 0.5/1bb) · 100bb · BTN limps, SB isolates to 3bb · Big blind to act
6-max · 100bb · SB 0.5bb · 5% rake, cap 3bbChange game
Tap your two cards.
Big blind's range
1,326 of 1,326 combos get hereWhat is the GTO play for the big blind (BB) when BTN limps, SB isolates to 3bb in 6-max · SB 0.5bb · 5% rake, cap 3bb at 100bb?
BTN limps, SB isolates to 3bb in 6-max · SB 0.5bb · 5% rake, cap 3bb, 100bb: the big blind (BB) folds 84.5%, calls 10.6% and raises 6/9/12bb 4.9%. Always call: 88-JJ, 55, AJs, JTs. Always raise 6/9/12bb: KK+, AKs. Mixed: QQ, 66-77, 22-44, AQs, A2s-ATs, KTs+, K5s-K7s, K3s, Q8s+, Q3s-Q4s, J8s-J9s, J6s, T9s, T3s, 97s+, 86s, 75s, 64s+, 54s, 43s, AJo+, KQo, QJo.
- Always fold
- K8s-K9s, K4s, K2s, Q5s-Q7s, Q2s, J7s, J2s-J5s, T4s-T8s, T2s, 92s-96s, 87s, 82s-85s, 76s, 72s-74s, 62s-63s, 52s-53s, 42s, 32s, A2o-ATo, K2o-KJo, Q2o-QTo, J2o+, T2o+, 92o+, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
- Always call
- 88-JJ, 55, AJs, JTs
- Always raise 6/9/12bb
- KK+, AKs
- Mixed
- QQ, 66-77, 22-44, AQs, A2s-ATs, KTs+, K5s-K7s, K3s, Q8s+, Q3s-Q4s, J8s-J9s, J6s, T9s, T3s, 97s+, 86s, 75s, 64s+, 54s, 43s, AJo+, KQo, QJo
Fits exactly: GGPoker Rush & Cash NL2, NL10, NL50, NL100, NL200; GGPoker regular cash NL200; Natural8 Rush & Cash NL2, NL10, NL50, NL100, NL200; Natural8 regular cash NL200.
Close: GGPoker regular cash NL100 (rake cap 5bb there, 3bb here).
Close: PokerStars Zoom NL50 (rake cap 4bb there, 3bb here; no rake when no flop is dealt there).
Close: PokerStars Zoom NL100 (rake cap 2.5bb there, 3bb here; no rake when no flop is dealt there).
Close: PokerStars cash NL50 (rake cap 4bb there, 3bb here; no rake when no flop is dealt there).
Close: PokerStars cash NL100 (rake cap 2.5bb there, 3bb here; no rake when no flop is dealt there).
Close: CoinPoker cash NL100 (rake cap 5bb there, 3bb here; only its tables without antes).
Close: CoinPoker cash NL200 (only its tables without antes).
Close: WPT Global cash NL10, NL20 (rake cap 6bb there, 3bb here; 4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).
Close: WPT Global cash NL100, NL200 (rake cap 4bb there, 3bb here; 4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).
Close: WPT Global cash NL400, NL600, NL1000 (rake cap 2bb there, 3bb here; 4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).
Close: Natural8 regular cash NL100 (rake cap 5bb there, 3bb here).
Close: ACR Poker cash NL50 (rake cap 6bb there, 3bb here; its page does not say whether pots that end before the flop are raked).
Close: ACR Poker cash NL100 (its page does not say whether pots that end before the flop are raked).
Close: ACR Poker cash NL200 (rake cap 1.5bb there, 3bb here; its page does not say whether pots that end before the flop are raked).
CoinPoker tables with antes: their own chart.
Rake sources: ggpoker.com/poker-games/texas-holdem (fetched 2026-10-31); Rush rake and preflop rake confirmed on our own GG exports (972 of 1,034 pots, 210 of 211); regular tables' preflop rule from natural8.com/en/poker/texas-holdem (same network, fetched 2026-10-31); natural8.com/en/poker/rush-and-cash (fetched 2026-10-31; caps $0.06 to $6, 3bb at every stake); the same GGNetwork pools as GGPoker, whose preflop rake we confirmed on GG exports; natural8.com/en/poker/texas-holdem (fetched 2026-10-31; caps by players dealt in, 3-bet pots raked before the flop); pokerstars.com/poker/room/rake (fetched 2026-10-31); coinpoker.com/games/texas-holdem/ (caps and the preflop rule) and coinpoker.com/guides/poker-rake/ (5%), fetched 2026-10-31; wptglobal.com/poker/poker-table-rake (fetched 2026-10-31); acrpoker.eu/real-money/poker-rake-calculation/ (fetched 2026-10-31).
Tree: Two HRC solves of this game in one: the extra-sizes solve (3-bets to 2x, 3x or 4x, 4-bets to 2.3x or 3x or all-in) wherever it has every move of the base solve, and the base solve where the extra-sizes one allows no second caller (overcalls).