PokerSolver
PokerSolver/Heads-up · 75bb · 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) · 75bb · SB opens 2bb · Big blind to act

Fits exactlyGGPoker Spin & Gold Maxpartypoker SPINS Overdrive 240x+WPT Global Global Spins 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 · 75bb · 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 15.3%Call 60.2%Raise 5bb 20.9%All-in 75bb 3.6%
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 75bb?

SB opens 2bb in Heads-up · SB 0.5bb · no rake · chip EV, 75bb: the big blind (BB) folds 15.3%, calls 60.2%, raises 5bb 20.9% and goes all-in 75bb 3.6%. Always call: 44, A2s, K2s-K3s, Q2s, J6s, J4s, T6s, T2s-T4s, 93s, 82s-84s, 72s-73s, 62s-63s, 52s-53s, 42s, 32s, A6o-A7o, A2o-A4o, K9o-KTo, K2o-K7o, Q2o-Q8o, J3o-J9o, T9o, T6o-T7o, 95o-97o, 85o-86o, 75o+, 65o, 53o+. Always raise 5bb: QQ+, 66-77, A9s+, A7s, KJs+, K9s, Q9s, JTs, T9s, T7s, 98s, 76s, 54s, ATo-AJo, KQo. Always all-in 75bb: AQo. Mixed: 88-JJ, 55, 22-33, A8s, A3s-A6s, KTs, K4s-K8s, QTs+, Q3s-Q8s, J7s-J9s, J5s, J2s-J3s, T8s, T5s, 94s-97s, 92s, 85s+, 74s-75s, 64s+, 43s, AKo, A8o-A9o, A5o, KJo, K8o, Q9o+, JTo, J2o, T8o, T2o-T5o, 98o, 92o, 87o, 74o, 63o-64o, 43o.

Always fold
93o-94o, 82o-84o, 72o-73o, 62o, 52o, 42o, 32o
Always call
44, A2s, K2s-K3s, Q2s, J6s, J4s, T6s, T2s-T4s, 93s, 82s-84s, 72s-73s, 62s-63s, 52s-53s, 42s, 32s, A6o-A7o, A2o-A4o, K9o-KTo, K2o-K7o, Q2o-Q8o, J3o-J9o, T9o, T6o-T7o, 95o-97o, 85o-86o, 75o+, 65o, 53o+
Always raise 5bb
QQ+, 66-77, A9s+, A7s, KJs+, K9s, Q9s, JTs, T9s, T7s, 98s, 76s, 54s, ATo-AJo, KQo
Always all-in 75bb
AQo
Mixed
88-JJ, 55, 22-33, A8s, A3s-A6s, KTs, K4s-K8s, QTs+, Q3s-Q8s, J7s-J9s, J5s, J2s-J3s, T8s, T5s, 94s-97s, 92s, 85s+, 74s-75s, 64s+, 43s, AKo, A8o-A9o, A5o, KJo, K8o, Q9o+, JTo, J2o, T8o, T2o-T5o, 98o, 92o, 87o, 74o, 63o-64o, 43o
Settings: Heads-up · 75bb · SB 0.5bb · no rake · chip EV (small blind 0.5bb, big blind 1bb, 75bb 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 35.88). 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.