Knightline: Chess opening trainer with SM-2 spaced repetition
Chessable competitor adding GitHub contribution graphs to opening memorization.
Open-source, browser-local chess opening trainer — drill your repertoire with spaced repetition. No account, no server.
Browser-local SRS chess drills when Chess.com and Lichess already exist.
Chess players studying openings
Chess.com Opening Explorer · Lichess Studies · Chess Reps
Chessable competitor adding GitHub contribution graphs to opening memorization.
Spaced repetition on your chess mistakes when Chessable already does this better.
Automates the Woodpecker Method spreadsheet grind; chess training already crowded though.
Stockfish WASM in a Web Worker beats sending PGNs to a server.
Anki + Obsidian hybrid, but git sync and AI quizzes need polish.
Pattern-matches your actual blunders across 300+ games, not just one-game analysis.