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  • Checkmate - Chess Engine AI screenshot 1
  • Checkmate - Chess Engine AI screenshot 2
  • Checkmate - Chess Engine AI screenshot 3

About Checkmate - Chess Engine AI

With 9,000,000+ possible chess moves, 99% recognition accuracy, AI-powered analysis, Checkmate AI is a powerful companion for chess enthusiasts. Whether you’re decoding a tricky middlegame, checking a puzzle, or reviewing an OTB position, Checkmate AI makes it fast, easy, and fun to find better moves. Key Features: AI-Powered Board Recognition • Instantly reconstruct a position from a quick scan or screenshot. • Optimized for online chessboards. • Designed for high accuracy when all 64 squares are visible. Comprehensive Position Tools • See the best move, evaluation, and recommended line powered by Stockfish 17.1. • Edit the position in seconds: flip/rotate, set side to move, adjust position, add/remove pieces. • Open the interactive analysis board with one tap. Fast, Private, and Offline • Scanning and analysis run on-device—no account required. • Works offline after installation, your own personal chess engine. • Clean, focused design with zero ads. Why Choose Checkmate AI? • Lightning-fast scan → instant engine insights. • Extensive database using the latest neural networks. • All-in-one solution for scanning, analyzing, and learning strategy. A Checkmate Subscription is required to use and enjoy full access to features and content. If you choose a Checkmate subscription, payment will be charged to your iTunes Account at confirmation of purchase. Please note that terms and conditions, as well as our privacy policy, apply. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.logoslabs.co/checkmate-privacy-policy Contact Us: [email protected]

Ratings & reviews

4.6

25 ratings

5 ★ 88% 4 ★ 0% 3 ★ 4% 2 ★ 0% 1 ★ 8%

What’s new

Version 1.4.2 · Updated January 1, 2026

We've made some behind-the-scenes improvements to keep your experience smooth: • General bug fixes and performance enhancements. • Improved chess scanner accuracy.

Play today's Threadline puzzle

Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Threadline and other daily puzzles on Fiplay →

App privacy

The developer, Logos Labs LLC, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: User ID, Device ID
  • Usage Data: Product Interaction

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Identifiers: User ID, Device ID
  • Usage Data: Product Interaction
  • Sensitive Info: Sensitive Info
  • User Content: Photos or Videos, Customer Support
  • Surroundings: Environment Scanning

Used for: Analytics, App Functionality

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