GTO Basics | Poker Science

Definition

GTO (Game Theory Optimal) is a strategy that cannot be exploited. If you play GTO perfectly, no opponent can gain an edge over you through any counter-strategy.

GTO = A balanced, unexploitable approach

Core Concepts

Concept	Meaning
Nash Equilibrium	Both players playing optimally against each other
Balance	Having bluffs and value in appropriate ratios
Indifference	Making opponent's decisions break even
Unexploitable	No counter-strategy beats it long-term

GTO vs Exploitative

GTO	Exploitative
Never exploitable	Can be counter-exploited
Works vs anyone	Works vs specific tendencies
Baseline strategy	Adjustments from baseline
Guaranteed not to lose	Maximizes vs weak players

Why GTO Matters

Benefit	Explanation
Baseline understanding	Know correct frequencies
Defend against good players	They can't exploit you
Know when you're deviating	Intentional adjustments
Understand solver output	Learn from tools

Key GTO Principles

1. Balanced Betting

Bet Type	Purpose
Value bets	Get called by worse
Bluffs	Balance value range

GTO Ratio: For pot-sized bet, ~67% value, ~33% bluffs.

2. Proper Frequencies

Street	Concept
Preflop	Open correct %, 3-bet correct hands
Flop	C-bet appropriate frequency
Turn/River	Barrel with range advantage

3. Mixing Strategies

GTO often requires mixing:

Hand	Action
Very strong	Always bet
Medium strong	Sometimes bet, sometimes check
Weak	Sometimes bluff, sometimes give up

GTO Misconceptions

Myth	Reality
"GTO = always balanced"	GTO is balanced, but specific hands have clear actions
"GTO never bluffs"	GTO bluffs at precise frequencies
"GTO is the best strategy"	Exploitative is better vs bad players
"I play GTO"	Very few humans play true GTO

When to Use GTO

Situation	Approach
Vs unknown players	Default to GTO
Vs strong regulars	Stay balanced
Vs weak players	Deviate to exploit
When unsure	GTO is safe baseline

GTO as a Foundation

        GTO (Baseline)
             |
    +--------+--------+
    |                 |
  Exploit          Exploit
  Passive          Aggressive
  Players          Players

Use GTO as your default, then adjust.

Key Takeaway

GTO is an unexploitable baseline strategy based on game theory. Learn it to understand optimal frequencies and balanced play. Then deviate from GTO to exploit opponents' specific weaknesses. GTO is your foundation, not your ceiling.