Preflop choices shape every later street. A useful plan starts with position, the players still to act, stack depth, and the action already taken. The goal is not to memorize one chart for every table; it is to make repeatable decisions and understand why a hand changes value in different situations.
Position changes the information available
Acting later usually means more players have already folded or entered the pot, and you can observe their choices before deciding. Early seats have several opponents left to act, so opening ranges are commonly tighter. The cutoff and button can often open more hands when action folds to them. The blinds have already posted chips, but they still must account for being out of position after the flop.
If you want a quick seat-by-seat refresher, read the poker position guide.
Think in ranges, not isolated hands
A range is the set of hands a player may reasonably hold after taking an action. Your own opening range should account for position and players behind you; a raise from early position generally represents a different range than a late-position steal. When someone raises, consider their seat, sizing, prior actions, and tendencies rather than reacting only to the appearance of your cards.
Evaluate hand properties
High-card strength, pairs, suitedness, connectivity, and the ability to make strong draws all matter, but no feature guarantees a profitable hand. Marginal hands can become difficult when dominated or played out of position. Avoid calling simply because a hand looks attractive, and avoid automatic raises without considering who can respond.
Build a study routine
Choose a few common positions and review hands from those spots. Write down your range assumptions before checking a chart or solver. Compare the result with the table action and note where stack depth, rake, or opponent behavior changes the decision. Use tools for learning away from play, and follow the rules of the room you use.
Preflop strategy is an ongoing process. Keep stakes within a preset entertainment budget, take breaks, and do not treat study as a promise of income. Online poker laws and age requirements vary by location.
For adults only. Poker involves financial risk. Never play with money you cannot afford to lose.