PokerSolver
PokerSolver/Heads-up · 40bb · SB 0.5bb · no rake · chip EV/SB vs BB 3-bet 7.5bb

SB vs BB 3-bet 7.5bb

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 · Small blind / button 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
Stacks (bb), if they differ
Pot 10.5bbYour cards?
3bb
7.5bb

Tap your two cards.

Small blind / button's range

1,210 of 1,326 combos get here
Fold 46.2%Call 45%All-in 40bb 8.8%
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 opens 3bb, BB 3-bets to 7.5bb in Heads-up · SB 0.5bb · no rake · chip EV at 40bb?

SB opens 3bb, BB 3-bets to 7.5bb in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the small blind / button (SB) folds 46.2%, calls 45% and goes all-in 40bb 8.8%. Always call: KK+, 88, AKs, A7s-ATs, A4s, A2s, KQs, K6s-K8s, K2s-K3s, QJs, Q8s, Q3s-Q6s, J5s-J9s, T6s-T7s, 86s+, 74s+, 63s+, 53s+, 43s, 32s, A5o-A9o, A2o, KJo, Q9o+, J9o+, T9o. Always all-in 40bb: 33, AQo+. Mixed: 99-QQ, 44-77, 22, AJs-AQs, A5s, A3s, KJs, K9s, Q9s-QTs, JTs, J4s, J2s, T9s, T3s-T4s, 96s-97s, 84s-85s, 73s, 52s, 42s, ATo-AJo, A4o, KQo, K6o-KTo, K4o, Q8o, J8o, T8o, 98o, 76o, 65o, 54o.

Always fold
92s-95s, 82s-83s, 72s, 62s, K5o, K2o, Q2o-Q7o, J2o-J7o, T2o-T7o, 93o-97o, 84o-86o, 74o-75o, 64o, 43o
Always call
KK+, 88, AKs, A7s-ATs, A4s, A2s, KQs, K6s-K8s, K2s-K3s, QJs, Q8s, Q3s-Q6s, J5s-J9s, T6s-T7s, 86s+, 74s+, 63s+, 53s+, 43s, 32s, A5o-A9o, A2o, KJo, Q9o+, J9o+, T9o
Always all-in 40bb
33, AQo+
Mixed
99-QQ, 44-77, 22, AJs-AQs, A5s, A3s, KJs, K9s, Q9s-QTs, JTs, J4s, J2s, T9s, T3s-T4s, 96s-97s, 84s-85s, 73s, 52s, 42s, ATo-AJo, A4o, KQo, K6o-KTo, K4o, Q8o, J8o, T8o, 98o, 76o, 65o, 54o
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.