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# Methodology

# 1. GTO Solutions Library

To build our GTO solutions, we use HoldemResources Calculator (HRC) (opens new window).
HRC is considered an authoritative solver in the poker industry because:

  • it is widely used by poker schools, professional players, and coaches,
  • it has a long history and reputation for accuracy.

HRC provides reliable Nash Equilibrium calculations, making it a trustworthy source of "pure theory".

We provide two types of solutions in the Library:

# GTO (Pure Solver Output)

  • These are the unaltered outputs directly from the solver.
  • They contain all original mixed frequencies (e.g. 37% raise, 63% call).
  • This format allows users to study poker theory at its deepest and most accurate level.

# Simplified GTO

  • The same solutions, but with rounded frequencies in 25% steps (0%, 25%, 50%, 75%, 100%).
  • The overall strategic frequencies of the ranges remain nearly unchanged.
  • This format makes the charts more "human-friendly" and easier to memorize and train.

# 2. Onboarding Ranges & Trainings

When new users register at FreeBetRange, they can choose their game type during onboarding (Cash, MTT, Spin & Go).
Based on this selection, they receive a preloaded set of ranges and trainings that help them start learning immediately.

# Source of the Onboarding Ranges

  • These starting charts are derived from our Simplified GTO solutions.
  • We filtered the game situations by frequency, selecting the most common and relevant scenarios.
  • Frequencies in these charts are rounded (25% steps), making them easier to study and train without losing strategic accuracy.

This ensures that new players have direct access to the core of GTO strategy right from the start.

# Structured Trainings

The preloaded trainings are grouped by situation type, for example:

  • RFI (Raise First In),
  • BB Defense,
  • 3-bets,
  • and other key preflop spots.

This allows users to practice specific areas of their game with our Trainer and improve efficiently.

# 3. Expert Input

All calculations and configurations are prepared with the involvement of professional players and coaches. They:

  • define the calculation parameters (stack depths, bet sizes, decision tree structures),
  • review solver outputs for practical applicability,
  • select and adapt the most relevant spots for onboarding ranges,
  • structure the training modules by situation type.

This ensures that all FreeBetRange content is backed by real playing experience and represents a structured learning material of poker theory.

# 4. Data Relevance

We review all educational content, including the Library and onboarding ranges, every 6 months to keep it accurate and relevant.
This ensures that players always study from materials aligned with current poker theory and best practices.

# 5. Custom Ranges

In addition to the Library and onboarding configurations, FreeBetRange allows users to create their own ranges with the built-in Editor.

  • Full control over strategy — players can design ranges that fit their personal approach to the game.
  • Effective exploitation of opponents — custom ranges can be used to build exploitative adjustments for specific situations.
  • Learning to think in ranges — by creating their own charts, players train their strategic thinking and improve their understanding of poker theory.

Custom ranges are a powerful educational tool, helping players not only to study preflop theory but also to actively practice creating and testing strategies.

# 6. Disclaimer

All solutions are provided for educational purposes only.
FreeBetRange does not guarantee winnings or specific results in poker.

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