Trainer Fish: Chess Trainer

Serious chess training: 666k puzzles, engine play, advanced PGN reader.

♟️ Trainer Fish — Serious Chess Training Without Subscriptions



Trainer Fish is a powerful chess training app designed for players who want real improvement—not just casual play.



Version 3 introduces a massive tactics database, human-like engine play, full game analysis tools, and one of the most advanced PGN readers available on mobile.



🔥 WHAT MAKES TRAINER FISH UNIQUE?



🧠 Massive Tactics Trainer

Sharpen your calculation with one of the largest built-in puzzle collections available offline.



• 666,715 tactical puzzles

• Thousands of new mate and crushing attacks

• Intelligent repetition inspired by the Woodpecker Method



Solve patterns until they become instinct.



🐟 Beat the Fish — Human-Like Engine

Play against Trainer Fish and practice openings while you play.



• Opening tree available during games

• Three difficulty levels

• Level 1–2: human-like mistakes

• Level 3: Megalodon mode — strongest play



Perfect for realistic game training.



📊 Post-Game Analysis (Completely Free)

Analyze your games just like professional players.



• Full engine review after every game

• Identify blunders, mistakes, and missed opportunities

• Review best engine lines instantly

• Visual evaluation of critical moments



Unlike many chess apps, Trainer Fish includes full post-game analysis for free.



🎙 Game Recorder for Over-the-Board Games

Record moves from your real chess games and analyze them instantly.



• Enter moves from your tournament or club game

• Track thinking time while recording

• Run full engine analysis immediately after the game



Perfect for serious players who want to review their over-the-board games.



📖 Advanced PGN Reader

Trainer Fish includes one of the most powerful PGN readers on mobile.



• Dynamic board resizing by dragging the divider

• Automatic font scaling for annotations

• Built-in Text-to-Speech commentary

• Clean navigation through variations



The PGN reader itself is completely free.



📚 Classic Chess Books Included


• Chess Fundamentals — José Raúl Capablanca

• 1001 Brilliant Checkmates — Fred Reinfeld

• 1001 Brilliant Sacrifices — Fred Reinfeld



Trainer Fish automatically detects tactics books and hides solutions so you can solve them yourself.



🎯 Built for Serious Chess Improvement


Trainer Fish focuses on real chess understanding instead of gimmicks.



• Large training databases

• Engine analysis tools

• Practical game training

• Clean interface designed for study



🚀 Train Smarter. Analyze Deeper. Play Stronger.