PokerSolver
PokerSolver/3-handed · BTN 25bb, SB 15bb, BB 25bb · SB 0.5bb · no rake · chip EV/BB vs SB call

BB vs SB call

3-handed · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · BTN 25bb, SB 15bb, BB 25bb · BTN opens 2.5bb, SB calls · Big blind to act

Fits exactlyGGPoker Spin & Gold x4, x5partypoker SPINS Overdrive 3-3.99x, 4-4.99x, 5-9.99xWPT Global Global Spins 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 · BTN 25bb, SB 15bb, BB 25bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 6bbYour cards?
1bb
2.5bb
2.5bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 64.4%Call 17.7%Raise 6.25bb 2.3%All-in 25bb 15.6%
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, SB calls in 3-handed · SB 0.5bb · no rake · chip EV at BTN 25bb, SB 15bb, BB 25bb?

BTN opens 2.5bb, SB calls in 3-handed · SB 0.5bb · no rake · chip EV, BTN 25bb, SB 15bb, BB 25bb: the big blind (BB) folds 64.4%, calls 17.7%, raises 6.25bb 2.3% and goes all-in 25bb 15.6%. Always call: Q4s-Q5s, JTs, T9s, 75s, 64s+, 54s, QJo. Always all-in 25bb: AA, 88-JJ, 66, AQs+, A9s-ATs, A6s, AKo, ATo-AJo, A8o. Mixed: QQ-KK, 77, 22-55, AJs, A7s-A8s, A2s-A5s, K3s+, Q6s+, Q3s, J8s-J9s, J5s-J6s, J2s, T7s-T8s, T4s-T5s, 96s+, 94s, 84s+, 76s, 72s-74s, 62s-63s, 52s-53s, 42s+, AQo, A9o, A3o-A7o, K9o+, Q9o-QTo, JTo, 87o, 76o, 64o+.

Always fold
K2s, Q2s, J7s, J3s-J4s, T6s, T2s-T3s, 95s, 92s-93s, 82s-83s, 32s, A2o, K2o-K8o, Q2o-Q8o, J2o-J9o, T2o+, 92o+, 82o-86o, 72o-75o, 62o-63o, 52o+, 42o+, 32o
Always call
Q4s-Q5s, JTs, T9s, 75s, 64s+, 54s, QJo
Always raise 6.25bb
No hand plays this every time
Always all-in 25bb
AA, 88-JJ, 66, AQs+, A9s-ATs, A6s, AKo, ATo-AJo, A8o
Mixed
QQ-KK, 77, 22-55, AJs, A7s-A8s, A2s-A5s, K3s+, Q6s+, Q3s, J8s-J9s, J5s-J6s, J2s, T7s-T8s, T4s-T5s, 96s+, 94s, 84s+, 76s, 72s-74s, 62s-63s, 52s-53s, 42s+, AQo, A9o, A3o-A7o, K9o+, Q9o-QTo, JTo, 87o, 76o, 64o+
Settings: 3-handed · BTN 25bb, SB 15bb, BB 25bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, stacks BTN 25bb, SB 15bb, BB 25bb, 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 8.97). 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; 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); 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; 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.