PokerSolver
PokerSolver/3-handed · BTN 40bb, SB 3bb, BB 25bb · SB 0.5bb · no rake · ICM, paying 80/20/BB vs BTN 4-bet 25bb

BB vs BTN 4-bet 25bb

3-handed · SB 0.5bb · no rake · ICM, paying 80/20 (blinds 0.5/1bb, no ante) · BTN 40bb, SB 3bb, BB 25bb · BTN opens 2.5bb, BB 3-bets to 6.25bb, BTN 4-bets to 25bb · 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 40bb, SB 3bb, BB 25bb · SB 0.5bb · no rake · ICM, paying 80/20Change game
Stacks (bb), if they differ
Pot 31.75bbYour cards?
6.25bb
25bb
0.5bb

Tap your two cards.

Big blind's range

600 of 1,326 combos get here
Fold 80.6%Call 19.4%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when BTN opens 2.5bb, BB 3-bets to 6.25bb, BTN 4-bets to 25bb in 3-handed · SB 0.5bb · no rake · ICM, paying 80/20 at BTN 40bb, SB 3bb, BB 25bb?

BTN opens 2.5bb, BB 3-bets to 6.25bb, BTN 4-bets to 25bb in 3-handed · SB 0.5bb · no rake · ICM, paying 80/20, BTN 40bb, SB 3bb, BB 25bb: the big blind (BB) folds 80.6% and calls 19.4%. Always call: 77+, ATs+, AQo+, ATo. Mixed: 66, A8s-A9s.

Always fold
22-33, A6s-A7s, A2s, KTs, K2s-K7s, Q2s-Q9s, JTs, J7s-J8s, T5s+, 93s, 86s, 84s, 82s, 74s-75s, 63s+, 52s, 32s, A7o-A9o, A2o-A5o, K7o+, QTo, Q8o, J9o+
Always call
77+, ATs+, AQo+, ATo
Mixed
66, A8s-A9s
Settings: 3-handed · BTN 40bb, SB 3bb, BB 25bb · SB 0.5bb · no rake · ICM, paying 80/20 (small blind 0.5bb, big blind 1bb, stacks BTN 40bb, SB 3bb, 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 37.61). 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.