Chess Lab: Arasan AI Engine
iOS app by koji ozono. Games · koji ozono
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 2.1.1
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
Chess Lab: Arasan AI Engine combines a world-class chess engine with a beautiful, intuitive interface. Whether you are a beginner looking to improve or an advanced player seeking serious analysis and competitive matches, this app brings everything together in one place. ▪ Play Instantly with “Web Invite” • No need to ask friends to download the app or create an account. • Generate an invite link, send it, and they can join instantly from any smartphone or PC browser. ▪ Versatile Game Modes • Online Multiplayer: Compete against players worldwide and climb the global leaderboards. • Web Invite Play: Seamless private matches via URL. • Offline CPU Battles: Train against the powerful Arasan AI with 40 adjustable strength levels. • Local 2-Player: Play face-to-face on a single device. ▪ In-Depth Analysis & Replays • Powered by Arasan: Built-in robust UCI engine delivers highly accurate evaluations and best-move calculations. • Real-Time Evaluation: Monitor the advantage bar and centipawn score/graph during your game. • Interactive History: Replay matches with step-by-step playback, fast-forward, and instant position jumping. • Visualized Insights: Automatically highlights significant evaluation drops (blunders) and color-codes long-thinking moves (Red/Yellow). • PGN Import: Import external game data (PGN). ▪ Premium Board Experience • 2.5D & 2D Views: Switch between an immersive 2.5D perspective and a classic flat board. • Assistive Highlights: Clearly displays legal moves, captures, and checks to help prevent mistakes. • Full Promotion Support: Choose Queen, Rook, Bishop, or Knight when your pawn reaches the final rank. • Suspend & Resume: Automatically saves unfinished games so you can continue later. • Tactile Feedback: Smooth animations paired with high-quality haptics for a satisfying feel.
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