Дебютус

Openings is the most effective way to learn your chess repertoire!
🎯 Main advantage
Upload a PGN file with your openings and start training immediately. The app turns a static database into an interactive trainer that checks your every move.
⚡ How it works
• Import PGN with opening lines
• The app plays for your opponent
• You find the correct moves
• Get instant feedback
• Review complex variations
🔥 Key features
Full repertoire coverage - the system automatically extracts all branches and variations from your PGN, without skipping a single line
Smart repetitions - focus on the variations that cause you difficulty
Realistic training - play both sides: White and Black
Detailed statistics - track your progress for each opening system
Exam mode - test your knowledge without hints
Works offline - train anywhere
💪 Who is this app for
✓ Tournament chess players preparing a repertoire
✓ Players studying openings from books and videos
✓ Those who want to systematize their knowledge
✓ Chess players of any level, from beginners to masters
🚀 Advantages over a regular app Study
Instead of passively reviewing variations, you actively recall moves, improving your memorization by 3-5 times. Research shows that active recall is the most effective learning method.
📈 Results
After a week of regular practice, you'll confidently remember critical variations of your repertoire and spend less time thinking about the opening.
Download now and turn your knowledge of openings into your competitive advantage!