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

BB vs SB 3-bet 7.5bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 40bb · SB limps, BB isolates to 3bb, SB 3-bets to 7.5bb · 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 10.5bbYour cards?

3bb

7.5bb

Tap your two cards.

Big blind's range

1,114 of 1,326 combos get here

Fold 62.5%Call 27.6%All-in 40bb 9.9%

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 3-bets to 7.5bb in Heads-up · SB 0.5bb · no rake · chip EV at 40bb?

SB limps, BB isolates to 3bb, SB 3-bets to 7.5bb in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the big blind (BB) folds 62.5%, calls 27.6% and goes all-in 40bb 9.9%. Always call: AA, 66, A9s-ATs, A3s, QTs+, Q8s, JTs, J8s, T7s, A8o-ATo, A4o, KQo, KTo, QJo. Always all-in 40bb: TT-QQ, 33, AQs+, AKo. Mixed: KK, 77-99, 44-55, 22, AJs, A4s-A8s, A2s, K2s+, Q9s, Q7s, Q4s-Q5s, Q2s, J9s, J5s-J7s, T8s+, T6s, 97s, 95s, 92s, 84s+, 75s+, 63s+, 54s, 52s, 42s, AQo, A7o, A5o, A2o-A3o, KJo, K8o, Q8o-QTo, J9o+, T7o.

Always fold: Q3s, J4s, J2s, T2s-T5s, 98s, 96s, 93s-94s, 82s-83s, 72s-74s, 62s, 53s, 43s, 32s, A6o, K9o, K5o, K2o, Q7o, Q4o, Q2o, J8o, T9o, T5o-T6o, 93o+, 85o+, 82o, 74o+, 64o+, 62o, 52o+
Always call: AA, 66, A9s-ATs, A3s, QTs+, Q8s, JTs, J8s, T7s, A8o-ATo, A4o, KQo, KTo, QJo
Always all-in 40bb: TT-QQ, 33, AQs+, AKo
Mixed: KK, 77-99, 44-55, 22, AJs, A4s-A8s, A2s, K2s+, Q9s, Q7s, Q4s-Q5s, Q2s, J9s, J5s-J7s, T8s+, T6s, 97s, 95s, 92s, 84s+, 75s+, 63s+, 54s, 52s, 42s, AQo, A7o, A5o, A2o-A3o, KJo, K8o, Q8o-QTo, J9o+, T7o

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.