PokerSolver/Heads-up · 40bb · 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) · 40bb · SB limps, BB isolates to 3bb, SB goes all-in · Big blind 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

PlayersBlinds & rakeStacks

Stacks (bb), if they differSBBB

Pot 43bbYour cards?

3bb

40bb

Tap your two cards.

Big blind's range

1,114 of 1,326 combos get here

Fold 80.5%Call 19.5%

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 40bb?

SB limps, BB isolates to 3bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the big blind (BB) folds 80.5% and calls 19.5%. Always call: 77+, 44, ATs+, A6s, JTs, AQo+, ATo. Mixed: 55-66, 22-33, A7s-A9s, A3s-A4s, K6s+, K2s-K4s, Q8s+, Q4s, J7s-J9s, J5s, T8s, 96s+, 86s+, 83s, 76s, 74s, 63s, A8o-A9o, KQo, K8o-K9o, K5o, QTo, JTo.

Always fold: A5s, A2s, K5s, Q7s, Q5s, Q2s-Q3s, J6s, J4s, J2s, T9s, T2s-T7s, 92s-95s, 84s-85s, 82s, 75s, 72s-73s, 64s+, 62s, 52s+, 42s+, 32s, A2o-A7o, KTo-KJo, K2o, QJo, Q7o-Q9o, Q4o, Q2o, J8o-J9o, T9o, T5o-T7o, 93o+, 85o+, 82o, 74o+, 64o+, 62o, 52o+
Always call: 77+, 44, ATs+, A6s, JTs, AQo+, ATo
Mixed: 55-66, 22-33, A7s-A9s, A3s-A4s, K6s+, K2s-K4s, Q8s+, Q4s, J7s-J9s, J5s, T8s, 96s+, 86s+, 83s, 76s, 74s, 63s, A8o-A9o, KQo, K8o-K9o, K5o, QTo, JTo

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.