PokerSolver
PokerSolver/Heads-up · 30bb · SB 0.5bb · no rake · chip EV/BB vs SB all-in

BB vs SB all-in

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 30bb · SB limps, BB isolates to 3bb, SB goes all-in · Big blind to act

Fits exactlyGGPoker Spin & Gold x4, x5, x10, x50, x100, MaxPokerStars Spin & Go x4, x5, x10, x25, x50, x100, top tierpartypoker SPINS Overdrive 3-3.99x, 4-4.99x, 5-9.99x, 10-24.99x, 25-119.99x, 120-239.99x, 240x+WPT Global Global Spins x2, x3, x5, x10, x25, x120, x240, x6,000
Close3 games
  • Winamax Expresso x2, x3, x4, x5, x10, x20, x100, x400, x1,000, jackpotits pages do not say whether any level has an ante
  • iPoker Twister x2, x3, x5, x8, x50, x1,000its pages do not say whether any level has an ante
  • ACR Poker SPINZ x2, x3, x4, x5, x10, x25, x50, x100, x12,000its blinds are not published
Cash
Heads-up · 30bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 33bbYour cards?
3bb
30bb

Tap your two cards.

Big blind's range

1,122 of 1,326 combos get here
Fold 83.4%Call 16.6%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB limps, BB isolates to 3bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV at 30bb?

SB limps, BB isolates to 3bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV, 30bb: the big blind (BB) folds 83.4% and calls 16.6%. Always call: 44+, A8s+, KJs+, QJs, ATo+. Mixed: A6s-A7s, A3s, K9s-KTs, K7s, QTs, Q8s, J8s+, T9s, 96s, 87s, A8o, KQo.

Always fold
A4s-A5s, A2s, K8s, K2s-K6s, Q9s, Q5s-Q7s, Q2s-Q3s, J7s, J2s-J5s, T7s-T8s, T4s-T5s, 97s+, 92s-95s, 82s-86s, 73s+, 62s+, 52s+, 42s+, 32s, A2o-A7o, K5o-KJo, Q4o+, J7o+, J5o, T5o+, 94o+, 84o+, 74o+, 64o+, 52o+, 42o+
Always call
44+, A8s+, KJs+, QJs, ATo+
Mixed
A6s-A7s, A3s, K9s-KTs, K7s, QTs, Q8s, J8s+, T9s, 96s, 87s, A8o, KQo
Settings: Heads-up · 30bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 30bb 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 30.47). 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; pokerstars.com/poker/spin-and-go (stacks and prize tables; fetched 2026-10-31); blinds from worldpokerdeals.com/blog/pokerstars-new-spin-go-multipliers-and-1000-spins (2026-05-27; its blind table lists no ante), 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); winamax.fr/expresso (stacks, first blinds and prize tables; the same on winamax.es), fetched 2026-10-31; worldpokerdeals.com/blog/ipoker-twister-guide (2026-01-29; stacks and splits) and pokerstrategy.com/strategy/sit-and-go/twister-poker-let-go (first blinds), fetched 2026-10-31; worldpokerdeals.com/blog/winning-poker-network-new-1-000-000-spin-go (2025-12-05; stacks only), fetched 2026-10-31.