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 opens 3bb, BB 3-bets to 7.5bb, 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 47.5bbYour cards?

7.5bb

40bb

Tap your two cards.

Big blind's range

890 of 1,326 combos get here

Fold 77.7%Call 22.3%

Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB opens 3bb, BB 3-bets to 7.5bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV at 40bb?

SB opens 3bb, BB 3-bets to 7.5bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the big blind (BB) folds 77.7% and calls 22.3%. Always call: 33+, AJs+, A5s, KTs, QJs, AJo+. Mixed: A6s-ATs, A3s, KJs+, K9s, K7s, QTs, JTs, J8s, T7s+, 98s, 86s+, 76s, A9o-ATo, KQo, KTo.

Always fold: K8s, K3s-K5s, Q9s, Q7s, Q2s-Q5s, J9s, J5s-J7s, J2s, T2s-T6s, 94s-97s, 92s, 85s, 83s, 75s, 73s, 64s, 62s, 53s, 43s, 32s, A2o-A8o, KJo, K7o-K9o, K4o-K5o, Q4o+, Q2o, J8o+, J5o, T9o, T7o, 98o, 86o+, 76o, 53o
Always call: 33+, AJs+, A5s, KTs, QJs, AJo+
Mixed: A6s-ATs, A3s, KJs+, K9s, K7s, QTs, JTs, J8s, T7s+, 98s, 86s+, 76s, A9o-ATo, KQo, KTo

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.