CoffeeNebula524’s Bookmarks

World's strongest open-source chess engine for game analysis, providing evaluations, best move suggestions, and deep tactical calculations. Install locally or use through web interfaces to analyze games post-mortem, test opening ideas, or verify complex tactical sequences before committing them to memory.

Active subreddit for chess discussion, game analysis requests, tournament coverage, memes, and improvement advice. Engage with players of all levels, get feedback on games, discuss opening choices, share breakthrough moments, and stay updated on chess world news and drama.

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.

Systematic endgame curriculum organized by rating level, teaching positions relevant to each skill stage. Focuses on practical endgames you'll actually encounter rather than obscure theory, building from basic king and pawn endings to complex rook and minor piece positions.

Visual guide to essential checkmate patterns including back rank mate, smothered mate, Arabian mate, and ladder mate. Recognizing these patterns instantly helps spot winning opportunities in games, calculate forcing sequences accurately, and avoid defensive blunders that allow opponent checkmating attacks.

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.

Long-running channel with game analysis, opening theory, puzzle solutions, and live commentary from Jerry's perspective. Calm teaching style walks through thought processes during games, demonstrating how to evaluate positions, calculate variations, and make practical decisions under time pressure.

Popular chess content creator Levy Rozman offering opening guides, game recaps, instructional series, and entertaining commentary on chess news. Videos break down complex ideas accessibly, cover trending openings, and analyze famous games with humor and clear explanations suitable for improving players.

Free unlimited chess puzzles drawn from real games, with themes, difficulty ratings, and performance tracking. Solve puzzles daily to sharpen calculation, recognize tactical motifs faster, and improve board vision, with immediate feedback and computer analysis showing why alternatives fail.

Extensive tactical puzzle database with spaced repetition system, rating-based difficulty, and detailed problem sets organized by theme like pins, forks, skewers, and sacrifices. Track progress over time, focus on weak tactical patterns, and build pattern recognition through thousands of positions.