CoffeeNebula524’s openings Bookmarks

Community-maintained wikibook documenting chess opening theory with variations, strategic ideas, and historical context. Browse by opening family, learn the philosophy behind different systems, and understand when to play aggressively versus solidly based on position type and personal style.

Searchable opening tree showing move sequences, transpositions, statistics, and named variations for every major opening. Drill down through move orders, see ECO codes for classification, and discover alternative move orders that reach the same positions or avoid opponent preparation.

Video tutorials covering popular chess openings like Italian Game, Sicilian Defense, Queen's Gambit, and French Defense with strategic explanations. Each opening includes key ideas, common traps, typical middlegame plans, and advice on when to deviate from main lines based on opponent responses.

Professional chess database software and news site with extensive opening theory, game collections, and analysis features. Access annotated games from world championships, explore opening surveys by grandmasters, and stay current with theoretical developments in popular and cutting-edge variations.

Free opening database integrated into Lichess's analysis board, drawing from master games, Lichess games, and player-specific statistics. Filter by time control and rating range to find openings that work at your level, and see theoretical novelties from recent high-level play.

Database of millions of games showing statistics for each opening position, including win rates, common continuations, and master-level preferences. Explore variations, see which moves are most popular at different skill levels, and build your opening repertoire with data-driven insights.