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.