Lifestyle & Other
4D Chess
Last updated 2026-09-06 · benchmark measured 2026-09-06 — deterministic & reproducible
Online chess played on a four-dimensional 4×4×2×2 hypercube board.
Is 4D Chess production-ready?
Legit.Show scores 4D Chess 91 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on 4D Chess (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 97/100
- Accessibility — 86/100
- Security — 60/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 97/100
- Discoverability — 100/100
What we measured
- Security headers present: X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 646 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
Who it's for
Chess enthusiasts · Puzzle solvers · Competitive players · Strategy gamers · Casual players
Pricing
Free to play with optional monthly subscription plans and one-time credit packs; 30-day money-back guarantee
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