PokerSolver/Heads-up · 75bb · 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) · 75bb · SB limps, BB isolates to 2.5bb, SB goes all-in · Big blind to act

Fits exactlyGGPoker Spin & Gold Maxpartypoker SPINS Overdrive 240x+WPT Global Global Spins 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 · 75bb · SB 0.5bb · no rake · chip EVChange game

PlayersBlinds & rakeStacks

Stacks (bb), if they differSBBB

Pot 77.5bbYour cards?

2.5bb

75bb

Tap your two cards.

Big blind's range

1,058 of 1,326 combos get here

Fold 82.7%Call 17.3%

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

What is the GTO play for the big blind (BB) when SB limps, BB isolates to 2.5bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV at 75bb?

SB limps, BB isolates to 2.5bb, SB goes all-in in Heads-up · SB 0.5bb · no rake · chip EV, 75bb: the big blind (BB) folds 82.7% and calls 17.3%. Always call: 99+, AKs, AQo+. Mixed: 44-88, 22, A8s-AJs, A2s-A6s, KTs+, K7s, K3s-K5s, QTs, Q5s-Q6s, Q3s, J8s+, J5s-J6s, T8s+, T4s-T6s, 95s, 87s, 76s, 54s, A8o-AJo, A5o-A6o, KTo+, JTo.

Always fold: 33, AQs, A7s, K8s-K9s, K6s, K2s, QJs, Q7s-Q9s, Q4s, Q2s, J7s, J2s-J4s, T7s, T2s-T3s, 96s+, 92s-94s, 82s-86s, 73s-75s, 62s+, 52s-53s, 42s+, 32s, A7o, A3o-A4o, K9o, K5o-K7o, Q8o+, Q6o, J6o-J8o, T7o+, T4o, 96o+, 94o, 85o+, 83o, 74o+, 62o-64o, 52o+, 43o
Always call: 99+, AKs, AQo+
Mixed: 44-88, 22, A8s-AJs, A2s-A6s, KTs+, K7s, K3s-K5s, QTs, Q5s-Q6s, Q3s, J8s+, J5s-J6s, T8s+, T4s-T6s, 95s, 87s, 76s, 54s, A8o-AJo, A5o-A6o, KTo+, JTo

Settings: Heads-up · 75bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 75bb 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 35.88). 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.