PokerSolver
PokerSolver/Heads-up · 10bb · SB 0.5bb · no rake · chip EV/BB vs SB open 2bb

BB vs SB open 2bb

Heads-up · SB 0.5bb · no rake · chip EV (blinds 0.5/1bb, no ante) · 10bb · SB opens 2bb · Big blind to act

Fits exactlyGGPoker Spin & Gold x2, x3, x4, x5, x10, x50, x100, MaxPokerStars Spin & Go x2, x3, x4, x5, x10, x25, x50, x100, top tierpartypoker SPINS Overdrive 2-2.99x, 3-3.99x, 4-4.99x, 5-9.99x, 10-24.99x, 25-119.99x, 120-239.99x, 240x+WPT Global Global Spins x2, x3, x5, x10, x25, x120, x240, x6,000
Close4 games
  • Winamax Expresso x2, x3, x4, x5, x10, x20, x100, x400, x1,000, jackpotits pages do not say whether any level has an ante
  • Winamax Expresso Nitro every multiplierits pages do not say whether any level has an ante
  • iPoker Twister x2, x3, x5, x8, x50, x1,000its pages do not say whether any level has an ante
  • ACR Poker SPINZ x2, x3, x4, x5, x10, x25, x50, x100, x12,000its blinds are not published
Cash
Heads-up · 10bb · SB 0.5bb · no rake · chip EVChange game
Stacks (bb), if they differ
Pot 3bbYour cards?
1bb
2bb

Tap your two cards.

Big blind's range

1,326 of 1,326 combos get here
Fold 20.8%Call 43.7%All-in 10bb 35.6%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB opens 2bb in Heads-up · SB 0.5bb · no rake · chip EV at 10bb?

SB opens 2bb in Heads-up · SB 0.5bb · no rake · chip EV, 10bb: the big blind (BB) folds 20.8%, calls 43.7% and goes all-in 10bb 35.6%. Always call: Q9s, Q6s, J8s-J9s, J2s-J3s, T2s-T8s, 94s, 86s+, 82s, 73s-75s, 63s, 53s, 42s+, 32s, K7o, Q7o-Q9o, J7o-J8o, J3o, T6o+, 96o+, 86o+, 65o, 53o+. Always all-in 10bb: 22+, A2s+, KJs+, K9s, K6s, K4s, K2s, A2o+, K8o+. Mixed: KTs, K7s-K8s, K5s, K3s, QTs+, Q7s-Q8s, Q2s-Q5s, JTs, J4s-J7s, T9s, 95s+, 92s-93s, 83s-85s, 76s, 72s, 64s+, 62s, 54s, 52s, K2o-K6o, QTo+, Q2o-Q6o, J9o+, J4o-J6o, J2o, T5o, T2o, 95o, 84o-85o, 74o+, 64o, 52o, 42o+.

Always fold
T3o-T4o, 92o-94o, 82o-83o, 72o-73o, 62o-63o, 32o
Always call
Q9s, Q6s, J8s-J9s, J2s-J3s, T2s-T8s, 94s, 86s+, 82s, 73s-75s, 63s, 53s, 42s+, 32s, K7o, Q7o-Q9o, J7o-J8o, J3o, T6o+, 96o+, 86o+, 65o, 53o+
Always all-in 10bb
22+, A2s+, KJs+, K9s, K6s, K4s, K2s, A2o+, K8o+
Mixed
KTs, K7s-K8s, K5s, K3s, QTs+, Q7s-Q8s, Q2s-Q5s, JTs, J4s-J7s, T9s, 95s+, 92s-93s, 83s-85s, 76s, 72s, 64s+, 62s, 54s, 52s, K2o-K6o, QTo+, Q2o-Q6o, J9o+, J4o-J6o, J2o, T5o, T2o, 95o, 84o-85o, 74o+, 64o, 52o, 42o+
Settings: Heads-up · 10bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 10bb 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 4.13). 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.