PokerSolver
PokerSolver/3-handed · 20bb each · SB 0.5bb · no rake · chip EV/SB vs BTN all-in

SB vs BTN all-in

3-handed · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 20bb each · BTN limps, SB isolates to 2.5bb, BB 3-bets to 6.25bb, BTN goes all-in · Small blind to act

Fits exactlyGGPoker Spin & Gold x4, x5PokerStars Spin & Go x4, x5partypoker SPINS Overdrive 3-3.99x, 4-4.99x, 5-9.99xWPT Global Global Spins x2, x3, x5
Close16 games
  • GGPoker Spin & Gold x10pays 80/20 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • GGPoker Spin & Gold x50, x100pays 60/30/10 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • GGPoker Spin & Gold Maxpays 50/30/20 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • PokerStars Spin & Go x10pays 80/20 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • PokerStars Spin & Go x25, x50, x100pays 80/12/8 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • PokerStars Spin & Go top tierpays 83.33/10/6.67 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • Winamax Expresso x2, x3, x4, x5, x10, x20its pages do not say whether any level has an ante
  • Winamax Expresso x100, x400, x1,000, jackpotpays 80/12/8 there: under ICM calls of an all-in are tighter; this chart is chip EV; its pages do not say whether any level has an ante
  • partypoker SPINS Overdrive 10-24.99xpays 80/20 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • partypoker SPINS Overdrive 25-119.99x, 120-239.99x, 240x+pays 83.34/8.33/8.33 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • iPoker Twister x2, x3, x5, x8its pages do not say whether any level has an ante
  • iPoker Twister x50its sources disagree on the split (winner takes all, or 80/10/10); its pages do not say whether any level has an ante
  • iPoker Twister x1,000pays 80/10/10 there: under ICM calls of an all-in are tighter; this chart is chip EV; its pages do not say whether any level has an ante
  • WPT Global Global Spins x10, x25pays 80/10/10 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • WPT Global Global Spins x120, x240, x6,000pays 83.33/8.33/8.33 there: under ICM calls of an all-in are tighter; this chart is chip EV
  • ACR Poker SPINZ x2, x3, x4, x5, x10, x25, x50, x100, x12,000its prize split is not published; its blinds are not published
Cash
3-handed · 20bb each · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 28.75bbYour cards?
2.5bb
6.25bb
20bb

Tap your two cards.

Small blind's range

448 of 1,326 combos get here
Fold 60.3%Call 39.7%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the small blind (SB) when BTN limps, SB isolates to 2.5bb, BB 3-bets to 6.25bb, BTN goes all-in in 3-handed · SB 0.5bb · no rake · chip EV at 20bb each?

BTN limps, SB isolates to 2.5bb, BB 3-bets to 6.25bb, BTN goes all-in in 3-handed · SB 0.5bb · no rake · chip EV, 20bb each: the small blind (SB) folds 60.3% and calls 39.7%. Always call: 77+, AKs, A4s, K8s, AKo, AJo. Mixed: 44-55, A7s-AQs, A3s, K9s+, K5s-K6s, Q8s+, J7s-J8s, T7s+, 87s, 53s, ATo, A8o, KQo, QTo, JTo.

Always fold
33, A5s-A6s, K2s-K3s, Q6s, JTs, 86s, 64s+, A9o, A7o, A4o-A5o, KTo-KJo, QJo, J9o
Always call
77+, AKs, A4s, K8s, AKo, AJo
Mixed
44-55, A7s-AQs, A3s, K9s+, K5s-K6s, Q8s+, J7s-J8s, T7s+, 87s, 53s, ATo, A8o, KQo, QTo, JTo
Settings: 3-handed · 20bb each · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 20bb stacks each, 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 9.56). 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.