PokerSolver
PokerSolver/Heads-up · 8bb · 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) · 8bb · SB limps, BB isolates to 3bb, SB goes all-in · Big blind to act

Fits exactlyGGPoker Spin & Gold x2, x3, x4, x5, x10, x50, x100, MaxPokerStars Spin & Go x2, x3, x4, x5, x10, x25, x50, x100, top tierpartypoker SPINS Overdrive 2-2.99x, 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
Close4 games
  • Winamax Expresso x2, x3, x4, x5, x10, x20, x100, x400, x1,000, jackpotits pages do not say whether any level has an ante
  • Winamax Expresso Nitro every multiplierits 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 · 8bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 11bbYour cards?
3bb
8bb

Tap your two cards.

Big blind's range

970 of 1,326 combos get here
Fold 43.3%Call 56.7%
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 8bb?

SB limps, BB isolates to 3bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV, 8bb: the big blind (BB) folds 43.3% and calls 56.7%. Always call: 44-TT, A3s+, K3s+, QTs+, Q8s, Q4s, J8s+, T9s, T6s-T7s, 96s+, 87s, 75s+, ATo+, A7o-A8o, KTo+, K7o, Q7o+, J8o+, T7o+, 97o+, 87o.

Always fold
62s, J2o-J5o, T3o-T6o, 93o-96o, 82o-85o, 72o-75o, 62o+, 52o+, 42o+, 32o
Always call
44-TT, A3s+, K3s+, QTs+, Q8s, Q4s, J8s+, T9s, T6s-T7s, 96s+, 87s, 75s+, ATo+, A7o-A8o, KTo+, K7o, Q7o+, J8o+, T7o+, 97o+, 87o
Settings: Heads-up · 8bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 8bb 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 4.46). 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.