MTT preflop strategy

CO range vs HJ limp at 17 bb (5-max)

When a recreational player limps from the HJ and you're on the CO, with an effective stack of 17 bb in a 5-max tournament, the solver plays 21.5% of its hands (raise 4.00 bb 7.6%, all-in 13.9%) and folds 78.5%. These frequencies come from Exploit It's full preflop tree: a chip-EV equilibrium with antes, computed for every position at the table. The limper is a typical recreational player: his limping range is assumed (small pairs, suited aces, connectors, weak broadways, about 19% of hands); you and the other players play equilibrium against it, with an isolation raise or an all-in.

Fold 78.5%Raise 4.00 bb 7.6%All-in 13.9%

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 21.5% of the hands that reach this spot, about 285 combos out of 1,326.
  • Raise is the main action for 8.7% of hands: from AA down to 33, the weakest hand played this way.
  • All-in is the main action for 13.3% of hands: from TT down to 98s, the weakest hand played this way.
  • Surprise: the solver folds some top-50 hands here, such as KTo, A7o, K8s, A3s.

What changes at 15 bb (8 hands change action)

  • KJs: raise here, all-in at 15 bb
  • K9s: all-in here, raise at 15 bb
  • A7o: fold here, all-in at 15 bb
  • A3s: fold here, all-in at 15 bb
  • QTo: raise here, fold at 15 bb
  • 44: raise here, all-in at 15 bb

What changes at 20 bb (1 hands change action)

  • ATs: all-in here, raise at 20 bb

Frequently asked questions

Which hands should you play from CO, facing a limp, at 17 bb in 5-max?

The solver plays 21.5% of the hands that reach this spot, about 285 combos out of 1,326. Raise is the main action for 8.7% of hands: from AA down to 33, 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 fold, 33 raise, 44 raise, 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 fold, A3s fold, 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.

The same spot at other depths
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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.