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

BB vs SB all-in

3-handed · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · BTN 20bb, SB 3bb, BB 20bb · BTN opens 2.5bb, SB goes all-in · Big blind to act

Fits exactlyGGPoker Spin & Gold x2, x3, x4, x5PokerStars Spin & Go x2, x3, x4, x5partypoker SPINS Overdrive 2-2.99x, 3-3.99x, 4-4.99x, 5-9.99xWPT Global Global Spins x2, x3, x5

Close17 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
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 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 3bb, BB 20bb · SB 0.5bb · no rake · chip EVChange game

PlayersBlinds & rakeStacks

Stacks (bb), if they differBTNSBBB

Pot 6.5bbYour cards?

1bb

2.5bb

3bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here

Fold 59.1%Call 30.9%All-in 20bb 10%

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 goes all-in in 3-handed · SB 0.5bb · no rake · chip EV at BTN 20bb, SB 3bb, BB 20bb?

BTN opens 2.5bb, SB goes all-in in 3-handed · SB 0.5bb · no rake · chip EV, BTN 20bb, SB 3bb, BB 20bb: the big blind (BB) folds 59.1%, calls 30.9% and goes all-in 20bb 10%. Always call: 22-33, A9s-ATs, KJs+, K5s-K6s, Q7s+, Q5s, J7s+, T7s-T8s, 95s+, 85s+, 74s+, 64s+, 53s+, 43s, A8o-ATo, K9o+, Q9o+, J9o+, T9o. Always all-in 20bb: 55-KK, AQs+, A5s, AQo+. Mixed: AA, 44, AJs, A6s-A8s, A2s-A4s, K7s-KTs, K4s, Q6s, Q4s, Q2s, J5s-J6s, T9s, T6s, 63s, 52s, AJo, A5o-A7o, 98o, 87o, 76o, 65o.

Always fold: K2s-K3s, Q3s, J2s-J4s, T2s-T5s, 92s-94s, 82s-84s, 72s-73s, 62s, 42s, 32s, A2o-A4o, K2o-K8o, Q2o-Q8o, J2o-J8o, T2o-T8o, 92o-97o, 82o-86o, 72o-75o, 62o-64o, 52o+, 42o+, 32o
Always call: 22-33, A9s-ATs, KJs+, K5s-K6s, Q7s+, Q5s, J7s+, T7s-T8s, 95s+, 85s+, 74s+, 64s+, 53s+, 43s, A8o-ATo, K9o+, Q9o+, J9o+, T9o
Always all-in 20bb: 55-KK, AQs+, A5s, AQo+
Mixed: AA, 44, AJs, A6s-A8s, A2s-A4s, K7s-KTs, K4s, Q6s, Q4s, Q2s, J5s-J6s, T9s, T6s, 63s, 52s, AJo, A5o-A7o, 98o, 87o, 76o, 65o

Settings: 3-handed · BTN 20bb, SB 3bb, BB 20bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, stacks BTN 20bb, SB 3bb, BB 20bb, 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 8.25). 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.