D4 Chess Club™

什麼是 D4 Chess Club™？

D4 Chess Club is a free AI chess trainer that teaches you why your moves are wrong — not just what the best move was. Play vs computer (1000–3200 Elo), get Stockfish move-by-move analysis, drill your weak tactical patterns, and train with an AI Socratic coach that asks questions instead of handing you answers. Free to start. No credit card. Built for club players who actually want to improve.