PokerSolver/Heads-up · 50bb · SB 0.5bb · no rake · chip EV/BB vs SB 3-bet 6.25bb

BB vs SB 3-bet 6.25bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 50bb · SB limps, BB isolates to 2.5bb, SB 3-bets to 6.25bb · Big blind to act

Fits exactlyGGPoker Spin & Gold x50, x100, Maxpartypoker SPINS Overdrive 10-24.99x, 25-119.99x, 120-239.99x, 240x+WPT Global Global Spins x10, x25, x120, x240, x6,000

Close1 games

ACR Poker SPINZ x2, x3, x4, x5, x10, x25, x50, x100, x12,000its blinds are not published

Cash

Heads-up · 50bb · SB 0.5bb · no rake · chip EVChange game

PlayersBlinds & rakeStacks

Stacks (bb), if they differSBBB

Pot 8.75bbYour cards?

2.5bb

6.25bb

Tap your two cards.

Big blind's range

1,070 of 1,326 combos get here

Fold 58%Call 33.9%All-in 50bb 8%

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 2.5bb, SB 3-bets to 6.25bb in Heads-up · SB 0.5bb · no rake · chip EV at 50bb?

SB limps, BB isolates to 2.5bb, SB 3-bets to 6.25bb in Heads-up · SB 0.5bb · no rake · chip EV, 50bb: the big blind (BB) folds 58%, calls 33.9% and goes all-in 50bb 8%. Always call: AA, TT, 55, ATs, A6s, A2s, KJs, K4s, Q8s+, 98s, 86s, 76s, A9o-AJo, KTo-KJo, QTo. Always all-in 50bb: 66, AKs, AQo+. Mixed: JJ-KK, 77-99, 22-44, AJs-AQs, A7s-A9s, A3s-A5s, KQs, K5s-KTs, K2s-K3s, Q2s-Q7s, J5s+, J3s, T8s+, 93s-97s, 87s, 84s-85s, 74s-75s, 72s, 53s+, 42s, 32s, A4o-A8o, KQo, K6o-K8o, K4o, QJo, Q8o-Q9o, JTo, 54o.

Always fold: J4s, T7s, T4s-T5s, T2s, 82s-83s, 73s, 62s+, 52s, 43s, A2o-A3o, K9o, K5o, Q7o, Q5o, Q3o, J5o-J9o, J2o, T7o+, T5o, 95o+, 85o-86o, 74o+, 64o+, 53o
Always call: AA, TT, 55, ATs, A6s, A2s, KJs, K4s, Q8s+, 98s, 86s, 76s, A9o-AJo, KTo-KJo, QTo
Always all-in 50bb: 66, AKs, AQo+
Mixed: JJ-KK, 77-99, 22-44, AJs-AQs, A7s-A9s, A3s-A5s, KQs, K5s-KTs, K2s-K3s, Q2s-Q7s, J5s+, J3s, T8s+, 93s-97s, 87s, 84s-85s, 74s-75s, 72s, 53s+, 42s, 32s, A4o-A8o, KQo, K6o-K8o, K4o, QJo, Q8o-Q9o, JTo, 54o

Settings: Heads-up · 50bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 50bb stacks, 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 32.63). 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); worldpokerdeals.com/blog/winning-poker-network-new-1-000-000-spin-go (2025-12-05; stacks only), fetched 2026-10-31.