A chess middlegame trainer so I can stop blundering
Details
- External ID
- 45775789
- Source
- HN
- Company
- —
- Product
- A chess middlegame trainer so I can stop blundering
- Website domain
- dontblunder.com
- Launched
- Oct. 31, 2025
- Cohort
- —
- Upvotes
- 5
- Upvotes percentile
- 0.10377358490566038
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:25 p.m.
- Updated at
- Sept. 7, 2026, 9:25 p.m.
Enrichment
- Theme
- Vertical
- Education
- Function
- Vertical SaaS
- Audience
- B2C
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- chess middlegame training tool
- Manually corrected
- False
Could you build this?
Yes A chess middlegame puzzle trainer can be quickly assembled using open-source chess libraries (such as Chessground and chess.js) paired with a database of pre-evaluated positions.
Discussion
5 comments analyzed.
Competitors mentioned: Frank Erwich's tactical pattern books, Traditional chess puzzle sites
Concerns raised: Whether puzzle training actually reduces blunders in real games, Computational cost and scalability of generating puzzles
Feature requests: More game modes, Puzzles filtered by specific players/tournaments/openings, Move scoring based on Stockfish evaluation change
Competitors
Other products that read as similar to this one — 261 launches clear the similarity bar, closest 8 shown.
Attention rank: #243 of 262 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 2 days after the earliest competitor.
- Chess-Inspired Roguelike · hn · 2026-06-21 · 433 upvotes · similarity 0.56
- knighttrace · ph · 2026-09-15 · 1 upvotes · similarity 0.50
- MorphMove · ph · 2026-09-10 · 2 upvotes · similarity 0.50
- Coffeehouse Chess · ph · 2026-09-18 · 3 upvotes · similarity 0.49
- Grandmaster Chess Online · ph · 2026-09-17 · 1 upvotes · similarity 0.48
- 99chess · ph · 2026-09-21 · 1 upvotes · similarity 0.48
- A competition for small neural networks that play strategy games · hn · 2026-09-20 · 115 upvotes · similarity 0.47
- Musical Interval Trainer · hn · 2026-02-11 · 22 upvotes · similarity 0.47
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a vertical saas tool for Insurance yet.