PokerSolver
PokerSolver/3-handed · BTN 3bb, SB 25bb, BB 25bb · SB 0.5bb · no rake · chip EV/SB vs BB 3-bet 6.25bb

SB vs BB 3-bet 6.25bb

3-handed · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · BTN 3bb, SB 25bb, BB 25bb · SB opens 2.5bb, BB 3-bets to 6.25bb · 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 · BTN 3bb, SB 25bb, BB 25bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 8.75bbYour cards?
2.5bb
6.25bb

Tap your two cards.

Small blind's range

840 of 1,326 combos get here
Fold 47.2%Call 38.8%All-in 25bb 13.9%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the small blind (SB) when SB opens 2.5bb, BB 3-bets to 6.25bb in 3-handed · SB 0.5bb · no rake · chip EV at BTN 3bb, SB 25bb, BB 25bb?

SB opens 2.5bb, BB 3-bets to 6.25bb in 3-handed · SB 0.5bb · no rake · chip EV, BTN 3bb, SB 25bb, BB 25bb: the small blind (SB) folds 47.2%, calls 38.8% and goes all-in 25bb 13.9%. Always call: AA, A6s-ATs, K6s+, K2s, Q7s+, Q5s, J7s+, T7s+, 97s+, 86s, 76s, 65s, 54s, ATo, A7o-A8o, A5o, KTo+, QTo+, JTo. Always all-in 25bb: TT-QQ, 55, AQs+, AQo+. Mixed: KK, 66-99, AJs, A2s-A5s, Q3s, 96s, 85s, 74s-75s, 64s, 53s, 43s, AJo, A9o, A3o-A4o, K9o, Q9o.

Always fold
J2s-J6s, T2s-T6s, 95s, 84s, 73s, 63s, 52s, 42s, A6o, A2o, K4o-K8o, Q7o-Q8o, J7o-J9o, T7o+, 97o+, 87o, 76o, 65o
Always call
AA, A6s-ATs, K6s+, K2s, Q7s+, Q5s, J7s+, T7s+, 97s+, 86s, 76s, 65s, 54s, ATo, A7o-A8o, A5o, KTo+, QTo+, JTo
Always all-in 25bb
TT-QQ, 55, AQs+, AQo+
Mixed
KK, 66-99, AJs, A2s-A5s, Q3s, 96s, 85s, 74s-75s, 64s, 53s, 43s, AJo, A9o, A3o-A4o, K9o, Q9o
Settings: 3-handed · BTN 3bb, SB 25bb, BB 25bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, stacks BTN 3bb, SB 25bb, 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 8.66). 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.