The Preflop GTO Trainer in Lucid Poker
Learn how to use Lucid Poker's free Preflop GTO Trainer to drill preflop decisions, review your mistakes, and explore solver solutions in a few taps.
How It Works
The Preflop GTO Trainer puts you through a series of real preflop spots and scores each decision against the GTO solution. You choose a game type, set a hand count, and work through each situation one at a time. After each decision, Lucid tells you immediately whether your play was correct, solver-approved at a mixed frequency, or a mistake.
Preflop drilling is free for all users. You can run unlimited preflop sessions without a Pro subscription. Custom drill filters (position, spot type, and specific ranges) are a Pro-only feature.
Not every correct play is pure. Many preflop spots have mixed strategies where the solver calls, raises, and folds at different frequencies. If Lucid marks a move as solver-approved at a low frequency, that is still a playable action. The goal is to understand the range, not just the top action.
Step by Step
Here is how to start and complete a preflop drill session:
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1Tap Preflop on the home screenTap the Preflop button on the Lucid home screen. This takes you directly to the drill setup screen.
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2Select your game typeChoose from available game types such as live poker or online. Your choice determines the rake assumptions used in the GTO solution.
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3Set your hand countPick how many hands you want to drill. 10 is a good starting point. Custom drill configurations are available on Pro.
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4Tap Start TrainingTap Start Training to begin. Each hand presents a preflop scenario with your position, stack depth, and the action before you.
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5Make your decision and get feedbackChoose an action. Lucid immediately reveals whether your play was correct, solver-approved at a frequency, or a mistake. Then moves to the next hand.
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6Review your sessionAfter the final hand, tap Review Hands to see a summary of every decision. Correct plays and mistakes are listed with the EV lost on any errors.
Reading the Feedback
After each decision, Lucid shows you the solver's take on the spot. There are a few possible outcomes:
- Correct. Your action matched the solver's primary recommendation for that spot.
- Solver-approved at a low frequency. Your action is in the GTO range but played less often than the primary action. Not a mistake, but worth understanding why.
- Mistake. Your action was not part of the solver's strategy. Lucid shows you the correct play and the EV lost.
Scenario: You hold A♥Q♦ in the cutoff facing a raise and a three-bet. In a rake-free sim, the solver folds this hand every time at this stack depth. Four-betting here costs roughly half a big blind in EV, which shows up as a mistake in your session review.
Exploring the Solver After Your Session
From the session review screen, you can open the full GTO solution for any hand. Tap into a hand from the review list, then tap the solver button to go to the Sim Browser. There you can see the complete range breakdown: which hands raise, call, or fold, and at what frequencies.
The solver range can be tighter than you expect. In spots with a raise and a three-bet in front of you, the continuing range is often very narrow. In many rake-free sims, only aces, kings, ace-king, and queens continue, with a small frequency on select suited hands like A5s or 65s.
Free vs. Pro
- Free users: Unlimited preflop drilling with standard drill configurations.
- Pro users: Custom drill builder to filter by position, stack depth, spot type, and specific hand categories. Also includes unlimited postflop drilling (free users get 5 postflop drills per day).
Next Steps
After completing a preflop drill session:
- Use Review Hands to identify which spots cost you the most EV
- Open the Sim Browser on any mistake to study the full range for that spot
- Run another session to build reps on the same game type
- Check your Progress Tracking dashboard to see trends over time