PokerSolver
PokerSolver/Heads-up · 50bb · SB 0.5bb · no rake · chip EV/ATo

How to play ATo preflop

Heads-up · 50bb · SB 0.5bb · no rake · chip EV · 28 spots where ATo gets a decision

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

Opens (raise first in)

SpotATo
SB open (RFI)
First to act
Raise 2/2.5/3bb 73.5% · Call 26.5%

Facing an open or a limp

SpotATo
BB vs SB limp
SB limps
Raise 2/2.5/3bb 56% · All-in 50bb 29.8% · Call 14.2%
BB vs SB open 2bb
SB opens 2bb
Raise 5bb 70.3% · All-in 50bb 29.7%
BB vs SB open 2.5bb
SB opens 2.5bb
Raise 6.25bb 85.1% · All-in 50bb 14.6% · Call 0.3%
BB vs SB open 3bb
SB opens 3bb
Raise 7.5bb 93.2% · All-in 50bb 6.8%
BB vs SB all-in
SB goes all-in
Call 75.8% · Fold 24.2%

Facing an isolation raise

SpotATo
SB vs BB iso raise 2bb
SB limps, BB isolates to 2bb
Raise 5bb 77.4% · Call 16% · All-in 50bb 6.6%
SB vs BB iso raise 2.5bb
SB limps, BB isolates to 2.5bb
Raise 6.25bb 91.3% · Call 8.6% · All-in 50bb 0.1%
SB vs BB iso raise 3bb
SB limps, BB isolates to 3bb
Call 51.9% · Raise 7.5bb 48.1%
SB vs BB all-in
SB limps, BB goes all-in
Call 100%

Facing a 3-bet

SpotATo
BB vs SB 3-bet 5bb
SB limps, BB isolates to 2bb, SB 3-bets to 5bb
Call 99.6% · Fold 0.2% · All-in 50bb 0.2%
BB vs SB all-in
SB limps, BB isolates to 2bb, SB goes all-in
Fold 50.6% · Call 49.4%
BB vs SB 3-bet 6.25bb
SB limps, BB isolates to 2.5bb, SB 3-bets to 6.25bb
Call 99% · All-in 50bb 0.9% · Fold 0.1%
BB vs SB all-in
SB limps, BB isolates to 2.5bb, SB goes all-in
Call 76.1% · Fold 23.9%
BB vs SB 3-bet 7.5bb
SB limps, BB isolates to 3bb, SB 3-bets to 7.5bb
Call 99.8% · Fold 0.1% · All-in 50bb 0.1%
BB vs SB all-in
SB limps, BB isolates to 3bb, SB goes all-in
Call 78% · Fold 22%
SB vs BB 3-bet 5bb
SB opens 2bb, BB 3-bets to 5bb
Call 98.6% · All-in 50bb 1.4%
SB vs BB all-in
SB opens 2bb, BB goes all-in
Fold 53.8% · Call 46.2%
SB vs BB 3-bet 6.25bb
SB opens 2.5bb, BB 3-bets to 6.25bb
Call 98.9% · All-in 50bb 1.1%
SB vs BB all-in
SB opens 2.5bb, BB goes all-in
Fold 59.5% · Call 40.5%
SB vs BB 3-bet 7.5bb
SB opens 3bb, BB 3-bets to 7.5bb
Call 86.5% · All-in 50bb 13.5%
SB vs BB all-in
SB opens 3bb, BB goes all-in
Call 56.2% · Fold 43.8%

Facing a 4-bet

SpotATo
SB vs BB all-in
SB limps, BB isolates to 2bb, SB 3-bets to 5bb, BB goes all-in
Fold 85.1% · Call 14.9%
SB vs BB all-in
SB limps, BB isolates to 2.5bb, SB 3-bets to 6.25bb, BB goes all-in
Fold 87.7% · Call 12.3%
SB vs BB all-in
SB limps, BB isolates to 3bb, SB 3-bets to 7.5bb, BB goes all-in
Fold 97.8% · Call 2.2%
BB vs SB all-in
SB opens 2bb, BB 3-bets to 5bb, SB goes all-in
Fold 59.3% · Call 40.7%
BB vs SB all-in
SB opens 2.5bb, BB 3-bets to 6.25bb, SB goes all-in
Fold 87.1% · Call 12.9%
BB vs SB all-in
SB opens 3bb, BB 3-bets to 7.5bb, SB goes all-in
Fold 77% · Call 23%
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.