ChessAtlas vs Two-Minute Drill
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 Two-Minute Drill
| Detail | 
ChessAtlas | 
Two-Minute Drill |
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| What it does | Free chess opening trainer with spaced repetition
| Call the plays in real NFL late-game situations
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| Stage | 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
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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
| - 27 different play calls including runs, passes, RPOs, trick plays and Hail Mary
- Real NFL situations with actual score, clock, down and field position
- Library of 160,141 real NFL plays from 2022-2026 seasons
- Grading based on win chance simulation
- Daily challenge with same scenario for all players
- Survivor mode with sequential late-game situations
- Player ratings by position from real NFL production
- Comparison with NFL coaches through percentile scoring
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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
| - Real situations from actual NFL games, not invented scenarios
- Grading on decision quality via win-chance simulation, not just outcome
- Every snap uses real NFL plays from historical data
- Comparison with actual NFL coaching patterns and styles
- Built on public nflverse data with transparent sourcing
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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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +1 (up) since last check | 8 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 22 | 3 |
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| Citation Flow (Majestic) | 24 | 15 |
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| Referring domains (Majestic) | 34 | 4 |
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4 details filled in for both companies.
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