Chess Lab vs Gambito Puzzles

Open the app and your last channel is right there. Catch world-class games in your spare moments, save the ones that catch your eye, and analyze them. Chess Lab: Arasan Engine brings a world-class chess engine and Lichess spectating together in one beautifully intuitive app. ▪ Play instantly with Web Invite ・No downloads or accounts needed for your opponent. ・Just send an invite link and they can join right from their phone or PC browser. ▪ Plenty of play modes ・Web Invite: quick private matches via URL. ・Offline vs CPU: play the powerful Arasan engine with 30 difficulty levels to practice at your pace. ・Local 2-player: face off on a single device. ▪ World chess on your phone. Lichess spectating ・Watch top-level games right in the app, just like watching TV or manga on your phone. ・Channel selection (Top Rated / Bullet / Blitz / Rapid / Classical), thumbnail/list views, and display counts (10/20/30). ・See the board, moves, clocks, playback controls, and end reason. Step back to revisit any move. ・Your last tab and channel reopen automatically, so the world's games are always moments away. ・Save games that catch your eye to History and turn them into your own study material. ▪ Rich analysis and replay ・Powered by Arasan: a robust UCI engine that computes accurate evaluations and best moves. ・Engine analysis: real-time eval bar and position graph during play. Recalculate saved games with Analyze Position and save the graph too. ・Interactive history: step through, fast-forward, or jump to any position. ・Visual insights: big evaluation swings (blunders) are highlighted automatically. Long thinks are color-coded (red/yellow) so you can see time management. ・PGN import: bring in external game data (PGN). ▪ A premium board experience ・2.5D & 2D views: switch between an immersive tilted 2.5D perspective and a classic 2D board. ・Piece design: choose between text pieces and detailed image pieces. ・Full promotion support: pick queen, rook, bishop, or knight precisely when promoting. ・Pause & resume: unfinished games are saved automatically and can be resumed later. ▪ A refreshed menu and settings ・The bottom menu now has three tabs: Match / History / Lichess. The header changes with the tab. ・Your selected tab is saved, so the same tab opens next time.

Gambito is a focused chess tactics trainer built for practical improvement. Solve puzzles from an offline database, track your progress with a Glicko-2 rating system, and develop mastery through spaced repetition — no internet connection or account required. Choose from six distinct puzzle modes to match your training goal: - Unlimited: solve at your own pace with no time pressure - Streak: keep a correct-answer streak alive - Storm: race the clock to solve as many as possible - Thematic: focus on specific tactical motifs - Blind: train calculation by hiding the board - No Tactic: practice recognizing when there is no winning combination Your Glicko-2 rating adjusts dynamically to reflect your true tactical strength. Spaced repetition surfaces puzzles at the right time to reinforce long-term retention. Terms of Use (EULA): https://gambitochess.com/terms