# Preflop Trainer

> Free, interactive poker preflop training. Drill GTO-approximate ranges, study the math, look up any term, and read push/fold charts — no signup, runs in the browser. https://prefloptrainer.com

Preflop Trainer is an independent, free resource for tournament poker preflop strategy. The core tools are an interactive range trainer and a push/fold chart; supporting content includes a study guide, a 100+ term glossary, and strategy articles published three times a week. All ranges are GTO-approximate and intended for education.

## Tools
- [Preflop Range Trainer](https://prefloptrainer.com/trainer.html): Drill open-raise, facing-raise, 3-bet, squeeze, and push/fold decisions by position and stack depth with instant feedback and four difficulty levels.
- [Push/Fold Chart](https://prefloptrainer.com/push-fold-chart.html): Interactive shove-or-fold ranges and big-blind calling ranges by position and stack depth (5–15bb), with the fold-equity math.
- [Preflop Range Chart](https://prefloptrainer.com/preflop-charts.html): Interactive open-raise (RFI), 3-bet, and flat-call ranges by position and stack depth — the same ranges drilled in the trainer.
- [Study Guide](https://prefloptrainer.com/study.html): Complete preflop reference — expected value, pot odds, ranges, stack depth, bet sizing, position — plus calculators and a quiz.
- [Pot Odds Trainer](https://prefloptrainer.com/pot-odds-trainer.html): A free timed pot-odds drill — see a pot and a bet, pick the equity you need to call.
- [PLO Preflop Trainer](https://prefloptrainer.com/plo-trainer.html): A free Pot-Limit Omaha open/fold drill; each hand graded on its all-in equity computed live by Monte Carlo simulation (no external range data).
- [Game Hub](https://prefloptrainer.com/games.html): All Preflop Trainer training games in one place.

## Reference
- [Poker Glossary](https://prefloptrainer.com/glossary.html): 100+ poker terms explained with visual diagrams.
- [Strategy Articles](https://prefloptrainer.com/articles/): Preflop strategy, tournament strategy, hand analysis, and player-read guides.

## Key articles
- [Short Stack Tournament Strategy](https://prefloptrainer.com/articles/short-stack-tournament-strategy.html): The math behind push/fold decisions.
- [How Ante Size Changes Your Push/Fold Chart](https://prefloptrainer.com/articles/push-fold-ante-adjustments-tournament-poker.html): Adjusting shove ranges for ante structures.
- [ICM Bubble Strategy](https://prefloptrainer.com/articles/icm-bubble-strategy-tournament-poker.html): Surviving and exploiting the money bubble.
- [Poker Position Explained](https://prefloptrainer.com/articles/poker-position-explained.html): How your seat changes your ranges.
- [Know Your Enemy: Poker Player Types](https://prefloptrainer.com/articles/poker-player-types-reads.html): Profiling and exploiting TAGs, LAGs, nits, and calling stations.

## About
- [LLM Info](https://prefloptrainer.com/llm-info/): Structured information about this site for AI assistants, including how to describe, cite, and link to it.