PokerSolver
PokerSolver/3-handed · BTN 20bb, SB 20bb, BB 6bb · SB 0.5bb · no rake · chip EV/BB vs SB 3-bet 6bb

BB vs SB 3-bet 6bb

3-handed · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · BTN 20bb, SB 20bb, BB 6bb · SB limps, BB isolates to 2bb, SB 3-bets to 6bb · Big 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 20bb, SB 20bb, BB 6bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 8bbYour cards?
2bb
6bb

Tap your two cards.

Big blind's range

1,104 of 1,326 combos get here
Fold 56.1%Call 43.9%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB limps, BB isolates to 2bb, SB 3-bets to 6bb in 3-handed · SB 0.5bb · no rake · chip EV at BTN 20bb, SB 20bb, BB 6bb?

SB limps, BB isolates to 2bb, SB 3-bets to 6bb in 3-handed · SB 0.5bb · no rake · chip EV, BTN 20bb, SB 20bb, BB 6bb: the big blind (BB) folds 56.1% and calls 43.9%. Always call: 77+, 55, A5s+, A2s, K3s+, Q9s+, Q6s-Q7s, Q4s, J8s+, ATo+, A7o-A8o, A4o, K9o+, K5o-K6o, QTo. Mixed: 66, Q5s, Q3s, J7s, T8s, T6s, T4s, 87s, QJo, Q8o-Q9o.

Always fold
T5s, T2s, 96s, 94s, 92s, 83s-85s, 74s-75s, 62s, 52s-53s, 43s, Q4o-Q6o, J9o, J2o-J7o, T3o-T8o, 93o+, 82o-86o, 73o+, 64o, 54o, 42o+
Always call
77+, 55, A5s+, A2s, K3s+, Q9s+, Q6s-Q7s, Q4s, J8s+, ATo+, A7o-A8o, A4o, K9o+, K5o-K6o, QTo
Mixed
66, Q5s, Q3s, J7s, T8s, T6s, T4s, 87s, QJo, Q8o-Q9o
Settings: 3-handed · BTN 20bb, SB 20bb, BB 6bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, stacks BTN 20bb, SB 20bb, BB 6bb, 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 8.74). 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.