SB range vs CO open at 12 bb (5-max)
When CO opens and you're SB, with an effective stack of 12 bb in a 5-max tournament, the solver plays 72.5% of its hands (call 59.6%, all-in 12.6%) and folds 27.5%. These frequencies come from Exploit It's full preflop tree: a chip-EV equilibrium with antes, computed for every position at the table.
Each cell: the share of each action for that hand, left to right. Gray cell: hand not in the range at this point.
Key takeaways for this spot
- The solver plays 72.5% of the hands that reach this spot, about 962 combos out of 1,326.
- Call is the main action for 59.6% of hands: from 99 down to 92s, the weakest hand played this way.
- All-in is the main action for 13.0% of hands: from AA down to 54s, the weakest hand played this way.
- Conversely, the solver plays hands ranked outside the top 100, such as J6o, J2s, 96s, Q2o.
What changes at 10 bb (19 hands change action)
- JJ: all-in here, call at 10 bb
- TT: all-in here, call at 10 bb
- A7s: call here, all-in at 10 bb
- QJs: all-in here, call at 10 bb
- A6s: call here, all-in at 10 bb
- A5s: call here, all-in at 10 bb
What changes at 15 bb (22 hands change action)
- AA: all-in here, raise at 15 bb
- JJ: all-in here, raise at 15 bb
- 99: call here, all-in at 15 bb
- 88: call here, all-in at 15 bb
- 77: call here, all-in at 15 bb
- A9s: all-in here, call at 15 bb
Frequently asked questions
Which hands should you play from SB, facing an open, at 12 bb in 5-max?
The solver plays 72.5% of the hands that reach this spot, about 962 combos out of 1,326. Call is the main action for 59.6% of hands: from 99 down to 92s, the weakest hand played this way.
What should you do with small pairs (22 to 66) in this spot?
The solver's main action with each hand: 22 all-in, 33 call, 44 call, 55 call, 66 call.
What should you do with weak suited aces (A2s to A5s) in this spot?
The solver's main action with each hand: A2s call, A3s call, A4s call, A5s call.
How do you train on this spot?
Exploit It's free quiz deals you random hands in this exact spot and shows you the solver's answer after each choice.
Short stack: the push/fold chart, from 5 to 20 bb
- CO range vs HJ open at 12 bb (5-max)
- BTN range vs HJ open at 12 bb (5-max)
- BTN range vs CO open at 12 bb (5-max)
- SB open range at 12 bb (5-max)
- SB range vs HJ open at 12 bb (5-max)
- SB range vs BTN open at 12 bb (5-max)
- SB calling range vs CO all-in at 12 bb (5-max)
- SB calling range vs BTN all-in at 12 bb (5-max)
- SB range vs BB 3-bet at 12 bb (5-max)
- SB range vs HJ limp at 12 bb (5-max)
- SB range vs CO limp at 12 bb (5-max)
- SB range vs BTN limp at 12 bb (5-max)
Equilibrium computed by the Exploit It solver in chip-EV, antes included, open size 2 bb at 25 bb or less and 2.2 bb deeper. The model's range-width caps can make some EVs of unplayed actions optimistic: play the frequencies.