Chess Openings vs OpeningBook

Train chess openings until the next move feels clear. Chessmate helps you turn opening theory into board memory. Study curated lines, choose the move from the position, review before it fades, and challenge yourself until the line starts to stick. Built for online players who know openings matter but still get unsure after the first few moves. What you can do: - Study curated opening lines with clear move explanations - Practice from real board positions, not flashcard text - Review learned lines before they fade - Challenge recall without engine clutter or random puzzle noise - Track progress as your repertoire grows Chessmate keeps opening study simple: learn the idea, recall the move, repeat the line, expand your repertoire. Start with one line today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

OpeningBook is a clean, offline reference and trainer for chess openings. BROWSE EVERYTHING • Thousands of named openings and variations, organized by ECO volume (A–E), family, and line — sourced from the open Lichess openings database. • Step through any line move-by-move on a real, playable board. • Read key ideas and classic traps for the major openings. SEARCH & FILTER • Find any opening by name, ECO code, or move sequence. • Filter by line length with a simple move-count slider. TRAIN YOUR REPERTOIRE • Add lines to your training set as White or Black. • Drill them in a play-your-side-vs-app loop. • Spaced repetition brings each line back for review at the right time. 100% offline. No account, no ads, no tracking.