ChessAtlas vs Play Smash Fest
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
ChessAtlas compared with Play Smash Fest
| Detail | 
ChessAtlas | 
Play Smash Fest |
|---|
| What it does | Free chess opening trainer with spaced repetition
| Free browser physics destruction game with 100 hand-crafted levels and strategy guides
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Not given
| Not given
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| Key features | - Spaced repetition with FSRS algorithm
- Repertoire builder
- Opening trainer with instant feedback
- Game import from Lichess and Chess.com
- Deviation detection
- Course library with opening courses
- iOS and Android mobile apps
- Multiple language support
| - 100 hand-crafted puzzle levels with deterministic physics and Par scoring
- Real-time 3D rigid-body collision detection at 60 FPS
- Touch and mouse controls with responsive layout for mobile and desktop
- Local progress saving with star ratings and level unlocking
- Comprehensive written strategy guides with in-game screenshots
- 15 advanced demolition and strategy principles
- Materials guide explaining glass, tin, wood and stone mechanics
- 10-chapter walkthroughs covering all 100 levels
- Multilingual support in English, Spanish, Japanese, French and German
- No account or download required to play
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| What makes it different | - FSRS algorithm schedules reviews 15-30% more efficiently than SM2
- Automatic deviation detection from Lichess and Chess.com games
- Full repertoire builder in free tier with no course purchase required
| - Physics guides verified directly from the game engine rather than automated or copied content
- Rigorous playtesting methodology with hundreds of test shots to determine Par thresholds
- Plays instantly in browser with no downloads, accounts or sign-ups needed
- Cross-platform play with identical physics on mobile, tablet and desktop
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 22 | 17 |
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| Citation Flow (Majestic) | 24 | 26 |
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| Referring domains (Majestic) | 34 | 97 |
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4 details filled in for both companies.
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