PokerSolver/Heads-up · 75bb · SB 0.5bb · no rake · chip EV/SB vs BB iso raise 3bb

SB vs BB iso raise 3bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 75bb · SB limps, BB isolates to 3bb · Small blind / button 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 4bbYour cards?

1bb

3bb

Tap your two cards.

Small blind / button's range

1,254 of 1,326 combos get here

Fold 25.6%Call 57.2%Raise 7.5bb 16.9%All-in 75bb 0.3%

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 limps, BB isolates to 3bb in Heads-up · SB 0.5bb · no rake · chip EV at 75bb?

SB limps, BB isolates to 3bb in Heads-up · SB 0.5bb · no rake · chip EV, 75bb: the small blind / button (SB) folds 25.6%, calls 57.2%, raises 7.5bb 16.9% and goes all-in 75bb 0.3%. Always call: 66, 22-44, A7s-ATs, A2s-A3s, KJs+, K2s-K8s, Q7s-QTs, Q3s-Q4s, J5s-J8s, J3s, T6s, T4s, T2s, 95s-97s, 92s-93s, 82s-84s, 74s+, 65s, 62s, 53s+, A7o-A8o, A5o, KJo, K5o-K8o, Q9o+, Q7o, JTo, J8o, T9o, 97o+, 86o, 54o. Always raise 7.5bb: KK+, 99-TT, AQs+, ATo+. Mixed: JJ-QQ, 77-88, A6s, KTs, QJs, Q5s-Q6s, Q2s, J9s+, J4s, J2s, T9s, T7s, T5s, T3s, 98s, 94s, 85s-86s, 72s-73s, 64s, 52s, 42s+, 32s, A9o, A6o, A2o-A4o, KQo, K9o-KTo, K3o-K4o, Q8o, Q4o-Q6o, J9o, J6o-J7o, J3o, T6o-T8o, 96o, 87o, 85o, 75o+, 64o+, 53o.

Always fold: K2o, Q2o-Q3o, J4o-J5o, J2o, T2o-T5o, 93o-95o, 83o-84o, 73o-74o, 63o, 52o, 43o
Always call: 66, 22-44, A7s-ATs, A2s-A3s, KJs+, K2s-K8s, Q7s-QTs, Q3s-Q4s, J5s-J8s, J3s, T6s, T4s, T2s, 95s-97s, 92s-93s, 82s-84s, 74s+, 65s, 62s, 53s+, A7o-A8o, A5o, KJo, K5o-K8o, Q9o+, Q7o, JTo, J8o, T9o, 97o+, 86o, 54o
Always raise 7.5bb: KK+, 99-TT, AQs+, ATo+
Always all-in 75bb: No hand plays this every time
Mixed: JJ-QQ, 77-88, A6s, KTs, QJs, Q5s-Q6s, Q2s, J9s+, J4s, J2s, T9s, T7s, T5s, T3s, 98s, 94s, 85s-86s, 72s-73s, 64s, 52s, 42s+, 32s, A9o, A6o, A2o-A4o, KQo, K9o-KTo, K3o-K4o, Q8o, Q4o-Q6o, J9o, J6o-J7o, J3o, T6o-T8o, 96o, 87o, 85o, 75o+, 64o+, 53o

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.