Mainline: the honest chess training program
mainlinechess.app
LaunchIndex first observed Mainline: the honest chess training program (mainlinechess.app) live on 29 August 2026. View its launch screenshot, category, technologies, and verification evidence.
A launch record built from evidence.
Mainline: the honest chess training program (mainlinechess.app) was first observed live on 29 August 2026.
Mainline provides personalized, evidence-based chess training with daily sessions, blunder drills, and spaced-repetition reviews; uses a client-side Stockfish engine with no runtime AI; currently in open beta.
Its profile is classified as Professional service within Education / Learning and training. Verification detected Next.js.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- mainlinechess.app
- Category
- Education / Learning and training
- Website type
- Professional service
- Observed title
- Mainline: the honest chess training program
- Observed description
- Mainline is a personalized, science-based, no-BS chess training program. Every recommendation is graded and explained; it never promises you a rating.
- Detected technologies
- Next.js
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 90%
- HTTP status
- 200
Is this your website?
Claim this profile to add verified owner information.
What do you make of this launch?
Vote on the site and leave a short note for other people exploring the new web.
Report an issueFlag spam, illegal or harmful content, or inaccurate information.
Reports are private and reviewed by the moderation team. No sign-in is required, so this report will be anonymous.
Join the discussion
Sign in with Google to vote or comment.
Sign in to participateComments
0 commentsBe the first to leave a useful observation.