PokerSolver/Heads-up · 75bb · SB 0.5bb · no rake · chip EV/SB vs BB all-in

SB vs BB all-in

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 75bb · SB limps, BB isolates to 2bb, SB 3-bets to 5bb, BB goes all-in · Small blind / button to act

Fits exactlyGGPoker Spin & Gold Maxpartypoker SPINS Overdrive 240x+WPT Global Global Spins 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 · 75bb · SB 0.5bb · no rake · chip EVChange game

PlayersBlinds & rakeStacks

Stacks (bb), if they differSBBB

Pot 80bbYour cards?

5bb

75bb

Tap your two cards.

Small blind / button's range

1,110 of 1,326 combos get here

Fold 88.3%Call 11.7%

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, SB 3-bets to 5bb, BB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV at 75bb?

SB limps, BB isolates to 2bb, SB 3-bets to 5bb, BB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV, 75bb: the small blind / button (SB) folds 88.3% and calls 11.7%. Always call: 88+, AQs+, ATs, A3s, AKo, AJo. Mixed: 66-77, 44, A9s, A7s, KJs+, K3s, Q9s-QTs, J4s, T9s, AQo, ATo.

Always fold: A8s, KTs, K4s-K8s, K2s, QJs, Q2s-Q8s, J5s+, J2s-J3s, T4s-T7s, T2s, 98s, 95s-96s, 92s-93s, 82s-86s, 72s-75s, 65s, 62s, 53s+, 42s+, A6o-A9o, A2o-A4o, KTo+, K5o-K7o, K3o, Q5o+, Q2o, J8o+, J5o, J2o-J3o, T9o, T6o-T7o, T2o-T4o, 95o+, 93o, 86o+, 76o, 74o, 63o+, 54o, 43o
Always call: 88+, AQs+, ATs, A3s, AKo, AJo
Mixed: 66-77, 44, A9s, A7s, KJs+, K3s, Q9s-QTs, J4s, T9s, AQo, ATo

Settings: Heads-up · 75bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 75bb 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 35.88). 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.