The free ChessTempo alternative for opening training
ChessTempo runs its own non-FSRS scheduler and gates lines behind a Gold subscription. ChessAtlas is the free ChessTempo alternative: FSRS spaced repetition, automatic game import, and deviation detection on the free tier.
Last updated: July 10, 2026
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Spaced Repetition
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Full Repertoire Builder
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Game Import
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Deviation Analysis
Feature Comparison
See how ChessAtlas compares to ChessTempo for opening training.
| Feature | ChessTempo | ChessAtlas |
|---|---|---|
| Opening Training | Available (premium) | Core feature, free |
| Spaced Repetition | Custom implementation | FSRS Algorithm |
| Repertoire Builder | Basic editor | Full-featured with chapters |
| Game Import | PGN upload only | Lichess & Chess.com auto-sync |
| Deviation Analysis | Not available | Automatic detection |
| Interface | Desktop-oriented | Modern, mobile-friendly |
ChessTempo
Available (premium)
ChessAtlas
Core feature, free
ChessTempo
Custom implementation
ChessAtlas
FSRS Algorithm
ChessTempo
Basic editor
ChessAtlas
Full-featured with chapters
ChessTempo
PGN upload only
ChessAtlas
Lichess & Chess.com auto-sync
ChessTempo
Not available
ChessAtlas
Automatic detection
ChessTempo
Desktop-oriented
ChessAtlas
Modern, mobile-friendly
Why Players Choose ChessAtlas
A modern approach to opening training with features ChessTempo lacks.
Modern Interface
Clean, intuitive design that works great on desktop and mobile.
Automatic Game Import
Connect Lichess or Chess.com to auto-import games. No manual PGN downloads needed.
Deviation Analysis
Automatically find where you left your preparation in real games. ChessTempo can't do this.
Free Core Features
Build and train repertoires for free. ChessTempo requires premium for full opening features.
When ChessTempo is Better
ChessTempo has some strengths:
The Bottom Line
If you want focused opening training with game integration and a modern interface, ChessAtlas is the better choice. Use ChessTempo for tactics.
Frequently Asked Questions
How is ChessAtlas different from ChessTempo?
ChessTempo is known for its excellent puzzle training with rating system. ChessAtlas focuses specifically on opening repertoire training with modern spaced repetition, automatic game import from Lichess/Chess.com, and deviation analysis. ChessAtlas has a more modern interface designed specifically for repertoire work.
Does ChessTempo have opening training?
ChessTempo does offer opening training features, but its main strength is puzzle solving. ChessAtlas is purpose-built for opening repertoire training with features like automatic game import, deviation detection, and FSRS-based spaced repetition scheduling.
Which has better spaced repetition - ChessTempo or ChessAtlas?
Both platforms use spaced repetition, but ChessAtlas implements the modern FSRS algorithm with optimized intervals for chess openings. ChessAtlas also tracks your actual games to identify which lines you struggle with most, making your review schedule more targeted.
Can I import games to ChessAtlas from Lichess and Chess.com?
Yes, ChessAtlas offers seamless integration with both Lichess and Chess.com. You can automatically import your games and ChessAtlas will analyze where you deviated from your repertoire. This feature is not available in ChessTempo.
Should I use ChessTempo or ChessAtlas?
Use ChessTempo for puzzle training with its excellent rating system and vast puzzle database. Use ChessAtlas for dedicated opening repertoire training with modern tools, game import, and deviation tracking. Many players use both for comprehensive chess improvement.
Is ChessTempo free?
ChessTempo has a free tier plus paid memberships that raise its daily limits and add more advanced features. ChessAtlas is free to start as well: build your own repertoire up to 200 variations, link 2 Lichess or Chess.com accounts, get automatic deviation detection, and review all of it with FSRS spaced repetition, with no credit card.
Explore Related Features
Spaced Repetition
Memorize openings efficiently with the scientifically-proven FSRS algorithm.
Opening Trainer
Practice your lines interactively until every move becomes automatic.
Repertoire Builder
Create and organize your complete opening system with our intuitive builder.
See all ChessAtlas comparisons
ChessAtlas is an independent product and is not affiliated with, endorsed by, or sponsored by ChessTempo. ChessTempo, its logo and its screenshots are the property of their respective owner. This comparison is written and maintained by the ChessAtlas team.