SB range vs BTN open at 20 bb (5-max)
When BTN opens and you're SB, with an effective stack of 20 bb in a 5-max tournament, the solver plays 49.3% of its hands (call 33.4%, all-in 15.7%) and folds 50.7%. 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 49.3% of the hands that reach this spot, about 654 combos out of 1,326.
- Call is the main action for 33.2% of hands: from A9s down to T6s, the weakest hand played this way.
- All-in is the main action for 16.1% of hands: from AA down to 76s, the weakest hand played this way.
- Conversely, the solver plays hands ranked outside the top 100, such as 86s, 76s.
What changes at 17 bb (11 hands change action)
- 77: all-in here, call at 17 bb
- 66: all-in here, call at 17 bb
- 55: all-in here, call at 17 bb
- Q6o: fold here, call at 17 bb
- K2o: fold here, call at 17 bb
- Q5o: fold here, call at 17 bb
What changes at 25 bb (22 hands change action)
- AA: all-in here, raise at 25 bb
- KK: all-in here, raise at 25 bb
- QQ: all-in here, raise at 25 bb
- JJ: all-in here, raise at 25 bb
- ATs: all-in here, call at 25 bb
- A9s: call here, raise at 25 bb
Frequently asked questions
Which hands should you play from SB, facing an open, at 20 bb in 5-max?
The solver plays 49.3% of the hands that reach this spot, about 654 combos out of 1,326. Call is the main action for 33.2% of hands: from A9s down to T6s, 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 all-in, 44 all-in, 55 all-in, 66 all-in.
What should you do with weak suited aces (A2s to A5s) in this spot?
The solver's main action with each hand: A2s all-in, A3s all-in, A4s all-in, A5s all-in.
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 20 bb (5-max)
- BTN range vs HJ open at 20 bb (5-max)
- BTN range vs CO open at 20 bb (5-max)
- SB open range at 20 bb (5-max)
- SB range vs HJ open at 20 bb (5-max)
- SB range vs CO open at 20 bb (5-max)
- SB range vs BB 3-bet at 20 bb (5-max)
- SB range vs HJ limp at 20 bb (5-max)
- SB range vs CO limp at 20 bb (5-max)
- SB range vs BTN limp at 20 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.