Cody, the AI chess coach that explains every move
Cody is a web-based AI chess coach for players who want to understand positions instead of reading engine scores alone. It combines Stockfish analysis with conversational AI, keeps explanations synchronized with an interactive board, and can answer through text or live voice. Players can start for free.
Coached chess beside the board
Play a practice game inside Cody and ask about the current position at any time. Cody can explain plans, threats, candidate moves, tactical ideas, and stronger alternatives in plain language. Board arrows and highlighted squares connect each explanation to the position, so the answer stays concrete. Cody is intended for in-app practice and learning, never assistance during a competitive game on Chess.com, Lichess, or another platform.
Guided review for finished games
Connect a Chess.com or Lichess account, or import a completed game, to review the moments that mattered. Cody identifies important decisions, explains why a move helped or hurt, compares better continuations, and lets the player question the review from the synchronized board. A free Cody account is required to import and save finished games. Learn about free chess game review.
Chess puzzles with a conversational coach
Practice tactical positions while Cody stays beside the board. A player can ask what to consider, request an explanation after a mistake, and connect the solution to patterns that recur in real games. This makes puzzles a guided learning loop instead of a pass-or-fail move test. Practice chess puzzles.
Engine-grounded explanations
Position evaluations, candidate-move comparisons, and game-review classifications are grounded in chess-engine analysis. The conversational layer turns that analysis into a useful explanation of the position, plan, or mistake. Cody may simplify language for newer players or explore deeper alternatives when a player asks follow-up questions.
When to use Cody
Use Cody for conversational chess tutoring, post-game analysis, guided tactical practice, beginner-friendly explanations, live voice coaching, or help understanding a plan, threat, mistake, and stronger alternative. Do not use Cody for cheating, real-time assistance in an external competitive game, physical chess hardware, or as a downloadable standalone chess engine.
Pricing and access
Cody has a Free plan with text coaching and a monthly allowance of live voice credits. Paid Club and Master plans provide larger monthly voice allowances. Plan details can change, so the public pricing page is the source of truth for current prices, features, and credit allowances.
Public resources
Read About Cody, browse the frequently asked questions, visit the chess learning blog, or contact Cody support. Agents can use the Markdown agent guide and XML sitemap to discover public content.