The First Street, Again (Preflop Structure)

Published on Aug 30, 2024

Mastering preflop structure leads to better postflop scenarios, as you’re more likely to enter pots with the correct hands and positional awareness. This increases your chances of controlling the hand, extracting value, or minimizing losses, all of which are essential for long-term success in poker.

Anchor

 - first, learn the most common preflop spots you'll play
 - then, learn preflop to your deepest level of recall (stage 5)

Preflop structure is critical to understand as solutions are commonly developed playing from the button to earlier positions.

Opening and 3betting

BTN CO HJ LJ SB
Open BTN CO HJ LJ SB
BB Defend vs BTN vs CO vs HJ vs LJ vs SB
SB Defend vs BTN vs CO vs HJ vs LJ
BTN Defend vs CO vs HJ vs LJ
CO Defend vs HJ vs LJ
HJ Defend vs LJ

Further explaining each row and item in the chart avove

  • Open: Each position opening range
  • Defend: Each positions defense vs. an open, folding, calling, or 3betting

This means learning the following ranges accorsing the chart below going first by columns and then by row.

Anchor

 - each spot in the chart must be leaned to 95% or greater accuracy
 - there is great simmilarity across each spot to make the process easier

Next, 4betting is when when facing a 3bet. We study in the same manner as the chart above staritng on the first row and moving from left to right.

4betting

BTN CO HJ LJ SB
BB 3bet vs. BTN Open vs. CO Open vs. HJ Open vs. LJ Open vs. SB Open
SB 3bet vs. BTN Open vs. CO Open vs. HJ Open vs. LJ Open
BTN 3bet vs. CO Open vs. HJ Open vs. LJ Open
CO 3bet vs. HJ Open vs. LJ Open
HJ 3bet vs. LJ Open
Anchor

 - again, each spot in the chart must be leaned to 95% or greater accuracy
 - there is great simmilarity across each spot to make the process easier
 - these spots are more rate, but important as the pot grows larger

5betting and All-in

Lastly, you should understand the 4betting chart above and realize how it can be applied to 5betting. This means when the BTN opens, BB 3bets, BTN 4bets, then the BB will have a further response. It can not be only against the BTN but all of the other position. The chart above can be structurally reused for ppositional play vs. 3bets.

Don't worry if this seems confusing or overwhelming. Once you being practicing with a trainer (future article) this structure will become more clear.