The GTO Lab Blog

Learn GTO poker

Plain-English guides to solvers, GTO theory, preflop charts, and plugging leaks.

Jun 29, 2026

GTO vs. Exploitative Poker: Which Should You Study First?

GTO or exploitative poker — which makes you more money? Learn the difference, when each applies, and why studying GTO first builds a stronger foundation.

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Jun 29, 2026

How to Read a Preflop Range Chart (the 13×13 Grid Explained)

Learn how to read a preflop range chart: what the 13×13 poker grid shows, how colors and frequencies work, and how position shifts which hands to play.

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Jun 29, 2026

5 Poker Leaks a Solver Will Instantly Expose

Discover 5 common poker leaks a GTO solver exposes fast: over-folding 3-bets, under-bluffing rivers, wrong bet sizing, OOP calling, and ignoring board texture.

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Jun 29, 2026

What Is a Poker Solver? A Plain-English Guide to GTO

Curious about GTO poker solvers but not sure where to start? This plain-English guide explains what a poker solver is and how it works. Learn why pros use it.

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