PokerSolver
PokerSolver/3-handed · BTN 15bb, SB 25bb, BB 25bb · SB 0.5bb · no rake · ICM, paying 80/20/BB vs SB open 3bb

BB vs SB open 3bb

3-handed · SB 0.5bb · no rake · ICM, paying 80/20 (blinds 0.5/1bb, no ante) · BTN 15bb, SB 25bb, BB 25bb · SB opens 3bb · Big blind to act

Fits exactlyGGPoker Spin & Gold x10PokerStars Spin & Go x10partypoker SPINS Overdrive 10-24.99x
Close16 games
  • GGPoker Spin & Gold x4, x5the winner takes all there: chip EV
  • GGPoker Spin & Gold x50, x100pays 60/30/10 there, 80/20 here
  • GGPoker Spin & Gold Maxpays 50/30/20 there, 80/20 here
  • PokerStars Spin & Go x25, x50, x100pays 80/12/8 there, 80/20 here
  • PokerStars Spin & Go top tierpays 83.33/10/6.67 there, 80/20 here
  • Winamax Expresso x2, x3, x4, x5, x10, x20the winner takes all there: chip EV; its pages do not say whether any level has an ante
  • Winamax Expresso x100, x400, x1,000, jackpotpays 80/12/8 there, 80/20 here; its pages do not say whether any level has an ante
  • partypoker SPINS Overdrive 3-3.99x, 4-4.99x, 5-9.99xthe winner takes all there: chip EV
  • partypoker SPINS Overdrive 25-119.99x, 120-239.99x, 240x+pays 83.34/8.33/8.33 there, 80/20 here
  • iPoker Twister x2, x3, x5, x8the winner takes all there: chip EV; its 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, 80/20 here; its pages do not say whether any level has an ante
  • WPT Global Global Spins x3, x5the winner takes all there: chip EV
  • WPT Global Global Spins x10, x25pays 80/10/10 there, 80/20 here
  • WPT Global Global Spins x120, x240, x6,000pays 83.33/8.33/8.33 there, 80/20 here
  • 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 · BTN 15bb, SB 25bb, BB 25bb · SB 0.5bb · no rake · ICM, paying 80/20Change 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 46.3%Call 38.9%Raise 7.5bb 9.8%All-in 25bb 5%
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 3-handed · SB 0.5bb · no rake · ICM, paying 80/20 at BTN 15bb, SB 25bb, BB 25bb?

SB opens 3bb in 3-handed · SB 0.5bb · no rake · ICM, paying 80/20, BTN 15bb, SB 25bb, BB 25bb: the big blind (BB) folds 46.3%, calls 38.9%, raises 7.5bb 9.8% and goes all-in 25bb 5%. Always call: 44, A4s-ATs, A2s, K5s+, K2s-K3s, QTs+, Q8s, Q6s, Q2s-Q4s, J4s+, T6s+, 96s+, 85s+, 74s+, 63s+, 52s+, 42s+, A7o-ATo, A5o, KJo+, K9o, Q9o+, J9o+, T8o+. Always raise 7.5bb: TT+, AQs+, AKo, A2o. Always all-in 25bb: 77, Q9s. Mixed: 88-99, 55-66, 22-33, AJs, A3s, K4s, Q7s, Q5s, J2s-J3s, T2s-T5s, 95s, 92s, 84s, 62s, 32s, AJo-AQo, A6o, A3o-A4o, KTo, K2o-K8o, Q7o-Q8o, Q4o-Q5o, J8o, J3o, 98o, 76o, 65o, 54o.

Always fold
93s-94s, 82s-83s, 72s-73s, Q6o, Q2o-Q3o, J4o-J7o, J2o, T2o-T7o, 92o-97o, 82o+, 72o-75o, 62o-64o, 52o-53o, 42o+, 32o
Always call
44, A4s-ATs, A2s, K5s+, K2s-K3s, QTs+, Q8s, Q6s, Q2s-Q4s, J4s+, T6s+, 96s+, 85s+, 74s+, 63s+, 52s+, 42s+, A7o-ATo, A5o, KJo+, K9o, Q9o+, J9o+, T8o+
Always raise 7.5bb
TT+, AQs+, AKo, A2o
Always all-in 25bb
77, Q9s
Mixed
88-99, 55-66, 22-33, AJs, A3s, K4s, Q7s, Q5s, J2s-J3s, T2s-T5s, 95s, 92s, 84s, 62s, 32s, AJo-AQo, A6o, A3o-A4o, KTo, K2o-K8o, Q7o-Q8o, Q4o-Q5o, J8o, J3o, 98o, 76o, 65o, 54o
Settings: 3-handed · BTN 15bb, SB 25bb, BB 25bb · SB 0.5bb · no rake · ICM, paying 80/20 (small blind 0.5bb, big blind 1bb, stacks BTN 15bb, SB 25bb, BB 25bb, no rake; ICM paying 80/20: a stack is worth its chance of each prize, first 80% and second 20%, so chips lost count more than chips won). Solver: HoldemResources Calculator (HRC) (HRC CI 38.69). 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; 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; 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.