PokerSolver/Heads-up · 40bb · SB 0.5bb · no rake · chip EV/BB vs SB 3-bet 6.25bb

BB vs SB 3-bet 6.25bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 40bb · SB limps, BB isolates to 2.5bb, SB 3-bets to 6.25bb · 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 8.75bbYour cards?

2.5bb

6.25bb

Tap your two cards.

Big blind's range

1,054 of 1,326 combos get here

Fold 57.3%Call 33.9%All-in 40bb 8.8%

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 2.5bb, SB 3-bets to 6.25bb in Heads-up · SB 0.5bb · no rake · chip EV at 40bb?

SB limps, BB isolates to 2.5bb, SB 3-bets to 6.25bb in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the big blind (BB) folds 57.3%, calls 33.9% and goes all-in 40bb 8.8%. Always call: AA, 77, A8s-AJs, A3s, K8s+, Q7s, JTs, J8s, 87s, 75s, A7o-A9o, A5o, A3o, KTo+, QJo. Always all-in 40bb: JJ-QQ, AKs, AQo+. Mixed: KK, 88-TT, 22-66, AQs, A4s-A7s, A2s, K2s-K7s, Q8s+, Q5s-Q6s, Q3s, J5s-J7s, T7s+, 95s+, 85s-86s, 76s, 74s, 64s+, 52s+, A6o, A2o, K7o-K9o, Q8o-QTo, J9o+, T8o.

Always fold: Q4s, Q2s, J4s, J2s, T3s-T6s, 92s-94s, 82s-84s, 73s, 62s-63s, A4o, K6o, K2o, Q7o, Q3o-Q4o, J7o-J8o, J2o, T9o, T7o, T4o-T5o, 95o+, 85o+, 83o, 74o+, 64o+, 54o
Always call: AA, 77, A8s-AJs, A3s, K8s+, Q7s, JTs, J8s, 87s, 75s, A7o-A9o, A5o, A3o, KTo+, QJo
Always all-in 40bb: JJ-QQ, AKs, AQo+
Mixed: KK, 88-TT, 22-66, AQs, A4s-A7s, A2s, K2s-K7s, Q8s+, Q5s-Q6s, Q3s, J5s-J7s, T7s+, 95s+, 85s-86s, 76s, 74s, 64s+, 52s+, A6o, A2o, K7o-K9o, Q8o-QTo, J9o+, T8o

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.