MTT preflop strategy

CO range vs BB 3-bet at 25 bb (4-max)

When you open from CO and BB 3-bets you, with an effective stack of 25 bb in a 4-max tournament, the solver plays 47.3% of its hands (call 21.8%, raise 15.60 bb 3.2%, all-in 22.3%) and folds 52.7%. These frequencies come from Exploit It's full preflop tree: a chip-EV equilibrium with antes, computed for every position at the table.

Fold 52.7%Call 21.8%Raise 15.60 bb 3.2%All-in 22.3%

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 47.3% of the hands that reach this spot, about 190 combos out of 402.
  • Call is the main action for 22.4% of hands: from JJ down to Q6s, the weakest hand played this way.
  • Raise is the main action for 1.5% of hands: from AA down to AA, the weakest hand played this way.
  • All-in is the main action for 21.4% of hands: from KK down to 44, the weakest hand played this way.
  • Surprise: the solver folds some top-50 hands here, such as ATo, KQo, A7s, A9o.

What changes at 30 bb (9 hands change action)

  • AA: raise here, all-in at 30 bb
  • 77: call here, all-in at 30 bb
  • A9s: all-in here, call at 30 bb
  • KQo: fold here, call at 30 bb
  • A7s: fold here, all-in at 30 bb
  • KJo: fold here, call at 30 bb

Frequently asked questions

Which hands should you play from CO, facing a 3-bet, at 25 bb in 4-max?

The solver plays 47.3% of the hands that reach this spot, about 190 combos out of 402. Call is the main action for 22.4% of hands: from JJ down to Q6s, 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: 44 all-in, 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 fold, A3s fold, A4s fold, A5s fold.

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 up to 25 bb, 2.1 bb at 30 bb and 2.3 bb deeper. EVs of actions the equilibrium does not play are indicative: play the frequencies.