PokerSolver
PokerSolver/Heads-up · 40bb · SB 0.5bb · no rake · chip EV/SB vs BB iso raise 2bb

SB vs BB iso raise 2bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 40bb · SB limps, BB isolates to 2bb · Small blind / button to act

Fits exactlyGGPoker Spin & Gold x50, x100, Maxpartypoker SPINS Overdrive 10-24.99x, 25-119.99x, 120-239.99x, 240x+WPT Global Global Spins x5, x10, x25, x120, x240, x6,000
Close1 games
  • ACR Poker SPINZ x2, x3, x4, x5, x10, x25, x50, x100, x12,000its blinds are not published
Cash
Heads-up · 40bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 3bbYour cards?
1bb
2bb

Tap your two cards.

Small blind / button's range

1,254 of 1,326 combos get here
Fold 9.7%Call 72.2%Raise 5bb 16.1%All-in 40bb 2.1%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the small blind / button (SB) when SB limps, BB isolates to 2bb in Heads-up · SB 0.5bb · no rake · chip EV at 40bb?

SB limps, BB isolates to 2bb in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the small blind / button (SB) folds 9.7%, calls 72.2%, raises 5bb 16.1% and goes all-in 40bb 2.1%. Always call: 22-55, A6s-A8s, A3s-A4s, KQs, KTs, K2s-K8s, Q7s-Q8s, Q2s-Q5s, J9s, J3s-J6s, T8s+, T5s-T6s, T2s, 97s+, 94s-95s, 92s, 85s-86s, 82s-83s, 72s-75s, 62s+, 52s+, 42s+, 32s, A2o-A6o, K7o-K8o, K4o-K5o, K2o, Q9o, Q7o, Q5o, Q3o, J6o-J9o, T9o, T6o, 96o+, 85o+, 76o, 64o+, 54o. Always raise 5bb: TT+, AJs+, AQo+. Mixed: 66-99, A9s-ATs, A5s, A2s, KJs, K9s, Q9s+, Q6s, JTs, J7s-J8s, J2s, T7s, T3s-T4s, 96s, 93s, 87s, 84s, 76s, A7o-AJo, K9o+, K6o, K3o, QTo+, Q8o, Q6o, Q4o, Q2o, JTo, J2o-J5o, T7o-T8o, T2o-T5o, 93o-95o, 84o, 74o-75o, 63o, 52o-53o, 43o.

Always fold
83o, 73o
Always call
22-55, A6s-A8s, A3s-A4s, KQs, KTs, K2s-K8s, Q7s-Q8s, Q2s-Q5s, J9s, J3s-J6s, T8s+, T5s-T6s, T2s, 97s+, 94s-95s, 92s, 85s-86s, 82s-83s, 72s-75s, 62s+, 52s+, 42s+, 32s, A2o-A6o, K7o-K8o, K4o-K5o, K2o, Q9o, Q7o, Q5o, Q3o, J6o-J9o, T9o, T6o, 96o+, 85o+, 76o, 64o+, 54o
Always raise 5bb
TT+, AJs+, AQo+
Always all-in 40bb
No hand plays this every time
Mixed
66-99, A9s-ATs, A5s, A2s, KJs, K9s, Q9s+, Q6s, JTs, J7s-J8s, J2s, T7s, T3s-T4s, 96s, 93s, 87s, 84s, 76s, A7o-AJo, K9o+, K6o, K3o, QTo+, Q8o, Q6o, Q4o, Q2o, JTo, J2o-J5o, T7o-T8o, T2o-T5o, 93o-95o, 84o, 74o-75o, 63o, 52o-53o, 43o
Settings: Heads-up · 40bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 40bb stacks, no rake; chip EV: every chip is worth the same, as it is when only the winner is paid and heads-up). Solver: HoldemResources Calculator (HRC) (HRC CI 32.16). Bet sizes are the solved ones; a size that is not here plays like the nearest one.

Sources for the games it fits: ggpoker.com/poker-games/spin-gold (prize table in its script js/funds29.8816e65c.js; fetched 2026-10-31); chips and blinds from worldpokerdeals.com/blog/spin-gold-the-ultimate-guide-on-ggpoker-network (updated 2026-05-11; its 26-level blind table lists no ante) and somuchpoker.com/news/best-spin-and-go-poker-sites-2026 (updated 2026-10-16), fetched 2026-10-31; partypoker.com/en/poker/offers/dynamic-structure (stacks, prize shares and the 20-level blind table, which lists no ante), fetched 2026-10-31; wptglobal.com/how-to-play/global-spins (stacks and prize shares; fetched 2026-10-31); blinds from worldpokerdeals.com/blog/global-spins-wpt-global (2023-11-23; its blind table lists no ante) and somuchpoker.com/news/best-spin-and-go-poker-sites-2026 (2026-10-16); worldpokerdeals.com/blog/winning-poker-network-new-1-000-000-spin-go (2025-12-05; stacks only), fetched 2026-10-31.