Chess Lab vs ChessMate

Open the app and your previous channel is right there. Watch world-class games in your spare time. Save interesting matches and analyze the positions. Chess Lab: Arasan Engine is a chess app that combines a world-class chess engine and Lichess spectating into one beautiful, intuitive interface. ▪ Play instantly with "Web Invite" - No download or account creation required for your opponent. - Just send an invite link, and they can join immediately from their smartphone or PC browser. ▪ Diverse game modes - Web Invite Match: Easy private matches via URL. - Offline CPU Match: Play against the powerful Arasan engine (featuring the latest v26.1 / NNUE v8). Practice with 30 levels of adjustable strength. - Local 2-Player Match: Play face-to-face on a single device. ▪ Watch world chess on your smartphone. Lichess Spectating - Watch top world games right in the app, just like watching TV or manga on your phone. - Channel selection (Top Rated / Bullet / Blitz / Rapid / Classical), thumbnail/list display, and item count (10/20/30) support. - Displays board, moves, clock, playback controls, and termination reason. Rewind moves to review. - Your previous tab and channel open automatically, putting world games right in front of you during spare moments. - Save interesting games to history to use for your own learning. ▪ Extensive analysis & replay features - Powered by Arasan: Built-in UCI engine that calculates highly accurate evaluations and best moves. - Real-time Analysis: Displays evaluation bar and eval graph in real-time during games. Recalculate past games with "Analyze Position" and save the graph. The graph uses a dynamic scale that excludes mate scores and clamps at a maximum of ±15 pawns. - Candidate Moves Display: Shows top candidate moves on the board with arrows, ghost pieces, and evaluation labels. The 1st move is blue, and subsequent moves are color-coded green → yellow → red based on Loss (difference from the 1st move). Toggle visibility with the "Candidates" button. - Interactive History: Step playback, fast-forward, jump to any position, and a "Rewind" (back to start) button for efficient review. - Visualized Insights: Automatically highlights large evaluation changes (blunders). Color-codes long-thinking moves (red/yellow) to visualize time management. - PGN Import: Import external game data (PGN). ▪ Premium board experience - 2.5D & 2D Display: Switch between a tilted 2.5D perspective and a classic 2D board. - Piece Design Toggle: Choose between text pieces and detailed image pieces. - Full Promotion Support: Accurately select Queen, Rook, Bishop, or Knight when promoting a pawn. - Pause & Resume: Automatically saves unfinished games so you can resume later. ▪ Improved menu & settings - Redesigned bottom menu into a 3-tab layout: "Match / History / Lichess". The header switches according to the selected tab. - Tab selection state is saved, so the previous tab opens automatically on the next launch.

ChessMate is live online chess and serious training in one clean, focused app. Play rated games against real opponents, warm up against an always-available practice opponent, and sharpen your tactics with a library of more than 1,000 rated puzzles. LIVE ONLINE MULTIPLAYER Jump into a live rated game in seconds. Choose bullet, blitz, rapid, or classical, tap Find Game, and matchmaking pairs you with another player in real time. Every rated game counts towards your Elo, so each win moves you up the ladder. CHESSMATE COACH Never wait for an opponent. When the queue is quiet, ChessMate Coach — your always-available practice opponent — steps in so you can start a live game straight away. Perfect for warming up before a rated match or fitting in a quick game at any hour. DAILY PUZZLE Start each day with a fresh tactical puzzle. The daily puzzle is free for everyone and rotates every 24 hours, so there is always a new problem waiting when you open the app. PUZZLE LIBRARY Work through more than 1,000 rated tactical puzzles covering forks, pins, skewers, discovered attacks, and the other patterns that decide most games at club level. Each puzzle is rated from beginner to master, so you are always challenged at the right level. PLAY THE COMPUTER Prefer a solo game? Play against the computer at a level that suits you whenever you want a game entirely on your own terms. GAME ANALYSIS Review your games move by move after you play. Spot the turning points, learn from your mistakes, and bring the lessons into your next game. LEADERBOARD See where you stand against the wider ChessMate community. The global leaderboard ranks players by rating, so you always know who is climbing and how far you have to go. ELO RATINGS Track separate Elo ratings for bullet, blitz, rapid, and classical play, plus an overall rating that summarises your form. Your profile keeps a record of every rated game so you can watch yourself improve over time. CLEAN, MODERN INTERFACE ChessMate has a focused, distraction-free interface with a tasteful dark mode, a familiar piece set, and accessibility-friendly contrast. Everything is one tap away from the main board. SIGN IN WITH APPLE ChessMate supports Sign in with Apple alongside email-and-password accounts. You stay in control of your data, and account deletion is one tap away from the Settings screen. SUBSCRIPTION TIERS ChessMate is free to download and play. Optional auto-renewing subscriptions support development and unlock additional content as it becomes available: Gold — 1-month subscription, £2.99/month Gold — 12-month subscription, £29/year (≈£2.42/month) Platinum — 1-month subscription, £4.99/month Platinum — 12-month subscription, £49/year (≈£4.08/month) Diamond — 1-month subscription, £9.99/month Diamond — 12-month subscription, £99/year (≈£8.25/month) Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed and auto-renewal turned off in your Apple ID Account Settings after purchase. PRIVACY ChessMate does not sell your data and does not show third-party ads. You can delete your account, including all rating history and gameplay data, directly from the Settings screen. Download ChessMate today — play live, solve the daily puzzle, and watch your rating climb. Terms of Use (EULA): https://chessmate.wolftechnologies.co.uk/terms.html Privacy Policy: https://chessmate.wolftechnologies.co.uk/privacy.html