PokerSolver/Heads-up · 40bb · SB 0.5bb · no rake · chip EV/SB vs BB iso raise 2.5bb

SB vs BB iso raise 2.5bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 40bb · SB limps, BB isolates to 2.5bb · 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

PlayersBlinds & rakeStacks

Stacks (bb), if they differSBBB

Pot 3.5bbYour cards?

1bb

2.5bb

Tap your two cards.

Small blind / button's range

1,254 of 1,326 combos get here

Fold 19.8%Call 64.5%Raise 6.25bb 14.2%All-in 40bb 1.5%

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 2.5bb in Heads-up · SB 0.5bb · no rake · chip EV at 40bb?

SB limps, BB isolates to 2.5bb in Heads-up · SB 0.5bb · no rake · chip EV, 40bb: the small blind / button (SB) folds 19.8%, calls 64.5%, raises 6.25bb 14.2% and goes all-in 40bb 1.5%. Always call: 22-55, A4s-A8s, A2s, K5s-KTs, K2s, Q5s-QTs, Q2s-Q3s, J8s+, J6s, J2s-J4s, T5s+, T2s-T3s, 98s, 94s-96s, 83s+, 74s+, 72s, 65s, 62s-63s, 54s, 52s, A8o-A9o, A4o-A6o, KJo+, K6o, K4o, QTo+, Q7o-Q8o, Q5o, JTo, J8o, J6o, T9o, 97o+, 87o, 76o, 65o, 54o, 43o. Always raise 6.25bb: JJ+, 99, AQs+, AKo. Mixed: TT, 66-88, A9s-AJs, A3s, KJs+, K3s-K4s, QJs, Q4s, J7s, J5s, T4s, 97s, 92s-93s, 82s, 73s, 64s, 53s, 42s+, 32s, ATo-AQo, A7o, A2o-A3o, K7o-KTo, K5o, K2o-K3o, Q9o, Q6o, Q2o-Q4o, J9o, J7o, J4o-J5o, T5o-T8o, T3o, 96o, 85o-86o, 74o-75o, 64o, 53o.

Always fold: J2o-J3o, T4o, T2o, 93o-95o, 83o-84o, 73o, 63o, 52o
Always call: 22-55, A4s-A8s, A2s, K5s-KTs, K2s, Q5s-QTs, Q2s-Q3s, J8s+, J6s, J2s-J4s, T5s+, T2s-T3s, 98s, 94s-96s, 83s+, 74s+, 72s, 65s, 62s-63s, 54s, 52s, A8o-A9o, A4o-A6o, KJo+, K6o, K4o, QTo+, Q7o-Q8o, Q5o, JTo, J8o, J6o, T9o, 97o+, 87o, 76o, 65o, 54o, 43o
Always raise 6.25bb: JJ+, 99, AQs+, AKo
Always all-in 40bb: No hand plays this every time
Mixed: TT, 66-88, A9s-AJs, A3s, KJs+, K3s-K4s, QJs, Q4s, J7s, J5s, T4s, 97s, 92s-93s, 82s, 73s, 64s, 53s, 42s+, 32s, ATo-AQo, A7o, A2o-A3o, K7o-KTo, K5o, K2o-K3o, Q9o, Q6o, Q2o-Q4o, J9o, J7o, J4o-J5o, T5o-T8o, T3o, 96o, 85o-86o, 74o-75o, 64o, 53o

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.