PokerSolver
PokerSolver/Heads-up · 30bb · SB 0.5bb · no rake · chip EV/BB vs SB open 3bb

BB vs SB open 3bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 30bb · SB opens 3bb · Big blind to act

Fits exactlyGGPoker Spin & Gold x4, x5, x10, x50, x100, MaxPokerStars Spin & Go x4, x5, x10, x25, x50, x100, top tierpartypoker SPINS Overdrive 3-3.99x, 4-4.99x, 5-9.99x, 10-24.99x, 25-119.99x, 120-239.99x, 240x+WPT Global Global Spins x2, x3, x5, x10, x25, x120, x240, x6,000
Close3 games
  • Winamax Expresso x2, x3, x4, x5, x10, x20, x100, x400, x1,000, jackpotits pages do not say whether any level has an ante
  • iPoker Twister x2, x3, x5, x8, x50, x1,000its pages do not say whether any level has an ante
  • ACR Poker SPINZ x2, x3, x4, x5, x10, x25, x50, x100, x12,000its blinds are not published
Cash
Heads-up · 30bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 4bbYour cards?
1bb
3bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 42.3%Call 35.6%Raise 7.5bb 8.5%All-in 30bb 13.6%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB opens 3bb in Heads-up · SB 0.5bb · no rake · chip EV at 30bb?

SB opens 3bb in Heads-up · SB 0.5bb · no rake · chip EV, 30bb: the big blind (BB) folds 42.3%, calls 35.6%, raises 7.5bb 8.5% and goes all-in 30bb 13.6%. Always call: A6s, K9s-KTs, K2s-K6s, QJs, Q8s-Q9s, Q2s-Q6s, J6s-J8s, J4s, J2s, T5s-T8s, 95s+, 87s, 75s+, 52s+, K7o, Q9o-QTo, J9o+, T8o+, 98o, 87o. Always raise 7.5bb: QQ+, TT, AKs. Always all-in 30bb: 22-88, AQo, ATo. Mixed: JJ, 99, A7s-AQs, A2s-A5s, KJs+, K7s-K8s, QTs, Q7s, J9s+, J5s, J3s, T9s, T2s-T4s, 92s-94s, 82s-86s, 73s-74s, 63s+, 43s, 32s, AKo, AJo, A2o-A9o, K8o+, K3o-K6o, QJo, Q6o-Q8o, J7o-J8o, T7o, 97o, 76o, 65o, 54o.

Always fold
72s, 62s, 42s, K2o, Q2o-Q5o, J2o-J6o, T2o-T6o, 92o-96o, 82o-86o, 72o-75o, 62o-64o, 52o-53o, 42o+, 32o
Always call
A6s, K9s-KTs, K2s-K6s, QJs, Q8s-Q9s, Q2s-Q6s, J6s-J8s, J4s, J2s, T5s-T8s, 95s+, 87s, 75s+, 52s+, K7o, Q9o-QTo, J9o+, T8o+, 98o, 87o
Always raise 7.5bb
QQ+, TT, AKs
Always all-in 30bb
22-88, AQo, ATo
Mixed
JJ, 99, A7s-AQs, A2s-A5s, KJs+, K7s-K8s, QTs, Q7s, J9s+, J5s, J3s, T9s, T2s-T4s, 92s-94s, 82s-86s, 73s-74s, 63s+, 43s, 32s, AKo, AJo, A2o-A9o, K8o+, K3o-K6o, QJo, Q6o-Q8o, J7o-J8o, T7o, 97o, 76o, 65o, 54o
Settings: Heads-up · 30bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 30bb 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 30.47). 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; pokerstars.com/poker/spin-and-go (stacks and prize tables; fetched 2026-10-31); blinds from worldpokerdeals.com/blog/pokerstars-new-spin-go-multipliers-and-1000-spins (2026-05-27; its blind table lists no ante), 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); winamax.fr/expresso (stacks, first blinds and prize tables; the same on winamax.es), fetched 2026-10-31; worldpokerdeals.com/blog/ipoker-twister-guide (2026-01-29; stacks and splits) and pokerstrategy.com/strategy/sit-and-go/twister-poker-let-go (first blinds), fetched 2026-10-31; worldpokerdeals.com/blog/winning-poker-network-new-1-000-000-spin-go (2025-12-05; stacks only), fetched 2026-10-31.