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D4 Chess Club™
AI chess coaching that asks questions, not just answers!
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.
Hey PH! I'm Shane, and I built D4 Chess Club because every chess app I tried just told me what the best move was, without explaining why my move was wrong. That doesn't build pattern recognition. It builds dependency.
D4 Chess Club does things differently:
Play vs computer - adjustable from 1000 to 3200 Elo
Stockfish analysis - every move classified: excellent, inaccuracy, mistake, blunder
Real-time threat overlay - see attacks and hanging pieces as you step through moves
AI Socratic Coach - asks targeted questions about your mistakes instead of just handing you the answer
Tactical drills - spaced repetition built from the patterns you miss most
Free forever for core features. Premium ($5.99/mo) unlocks the AI coach, unlimited puzzles, and the full course library.
I'd love feedback from the chess players here. What would make this your go-to training tool?
https://d4chess.club
About D4 Chess Club™ on Product Hunt
“AI chess coaching that asks questions, not just answers!”
D4 Chess Club™ was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #85 on the daily leaderboard. 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.
On the analytics side, D4 Chess Club™ competes within Strategy Games, Education and Artificial Intelligence — topics that collectively have 557.7k followers on Product Hunt. The dashboard above tracks how D4 Chess Club™ performed against the three products that launched closest to it on the same day.
Who hunted D4 Chess Club™?
D4 Chess Club™ was hunted by Shane Foster. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of D4 Chess Club™ including community comment highlights and product details, visit the product overview.
Shane Foster