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ChessAtlas vs ReplayChess

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 ReplayChess
DetailChessAtlas logo ChessAtlasReplayChess logo ReplayChess
What it doesFree chess opening trainer with spaced repetition Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFreemium Freemium
PricingNot given Player plan: $4.99 per month or $50 per year. Yearly billing saves 16% and works out to $4.17 a month. Includes unlimited positions, record and export, 1080p quality, and basic AI analysis. 30-day money-back guarantee.
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
  • Replay iconic chess positions from legendary games
  • Test calculation against AI engine
  • Challenge friends with shareable links
  • Compare continuation against best engine line
  • Game recording and export
  • Basic AI analysis
  • 1080p quality output
  • Play against engine from any position
  • Curated library of historic positions
  • Free position challenges without account
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
  • Play from the exact moment of legendary games, not just study them
  • Designed for pausing chess videos to calculate positions
  • Step into the shoes of chess legends at critical game moments
  • Compare your moves directly against engine analysis
  • Built by an indie hacker solving a personal chess problem
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)10 +1 (up) since last check24 no change since last check
Trust Flow (Majestic)2220
Citation Flow (Majestic)2424
Referring domains (Majestic)34102

4 details filled in for both companies.

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