PokerSolver
PokerSolver/3-handed · BTN 10bb, SB 25bb, BB 10bb · SB 0.5bb · no rake · ICM, paying 80/20/BB vs SB open 2.5bb

BB vs SB open 2.5bb

3-handed · SB 0.5bb · no rake · ICM, paying 80/20 (blinds 0.5/1bb, no ante) · BTN 10bb, SB 25bb, BB 10bb · SB opens 2.5bb · Big blind to act

Fits exactlyGGPoker Spin & Gold x10PokerStars Spin & Go x10partypoker SPINS Overdrive 10-24.99x
Close18 games
  • GGPoker Spin & Gold x2, x3, 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 x2, x3, x4, x5the winner takes all there: chip EV
  • 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
  • Winamax Expresso Nitro every multiplierits prize table is not given separately (likely the Expresso one); its pages do not say whether any level has an ante
  • partypoker SPINS Overdrive 2-2.99x, 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 x2, 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 10bb, SB 25bb, BB 10bb · SB 0.5bb · no rake · ICM, paying 80/20Change game
Stacks (bb), if they differ
Pot 3.5bbYour cards?
1bb
2.5bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 49.4%Call 22.7%All-in 10bb 27.9%
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 2.5bb in 3-handed · SB 0.5bb · no rake · ICM, paying 80/20 at BTN 10bb, SB 25bb, BB 10bb?

SB opens 2.5bb in 3-handed · SB 0.5bb · no rake · ICM, paying 80/20, BTN 10bb, SB 25bb, BB 10bb: the big blind (BB) folds 49.4%, calls 22.7% and goes all-in 10bb 27.9%. Always call: QQ+, K6s, Q7s-Q9s, Q5s, JTs, J6s, T6s+, 98s, 65s, K4o, Q8o, J9o+, T8o. Always all-in 10bb: 77-TT, 22-44, A6s+, A2s-A4s, KQs, K9s-KTs, A2o+, K9o+. Mixed: JJ, 55-66, A5s, KJs, K7s-K8s, K2s-K5s, QTs+, Q6s, Q2s-Q4s, J7s-J9s, J4s-J5s, J2s, T4s, 95s-97s, 92s, 85s+, 73s+, 63s-64s, 52s+, K5o-K8o, K2o-K3o, Q9o+, Q6o-Q7o, J8o, T9o, 97o+.

Always fold
J3s, T5s, T2s-T3s, 93s-94s, 82s-84s, 72s, 62s, 42s+, 32s, Q2o-Q5o, J2o-J7o, T2o-T7o, 92o-96o, 82o+, 72o+, 62o+, 52o+, 42o+, 32o
Always call
QQ+, K6s, Q7s-Q9s, Q5s, JTs, J6s, T6s+, 98s, 65s, K4o, Q8o, J9o+, T8o
Always all-in 10bb
77-TT, 22-44, A6s+, A2s-A4s, KQs, K9s-KTs, A2o+, K9o+
Mixed
JJ, 55-66, A5s, KJs, K7s-K8s, K2s-K5s, QTs+, Q6s, Q2s-Q4s, J7s-J9s, J4s-J5s, J2s, T4s, 95s-97s, 92s, 85s+, 73s+, 63s-64s, 52s+, K5o-K8o, K2o-K3o, Q9o+, Q6o-Q7o, J8o, T9o, 97o+
Settings: 3-handed · BTN 10bb, SB 25bb, BB 10bb · SB 0.5bb · no rake · ICM, paying 80/20 (small blind 0.5bb, big blind 1bb, stacks BTN 10bb, SB 25bb, BB 10bb, 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 32.56). 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; 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.