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.

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To cite this score: legit.show/s/4dchess-org/2026-09-06. That address never changes; this page moves with every re-measure.

Legit.Show scored 4D Chess 91/100 on 2026-09-06, measured across all 7 frames from its public surface. legit.show/s/4dchess-org/2026-09-06

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
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 100/100
  How this compares across the catalogue: The Privacy Gap
• 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

Sources and updates

Description

Taken from 4dchess.org's own website on 2026-09-06.

Operator

4D Chess, as named in 4dchess.org's terms, privacy page or footer.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-06.

Put together from public information, without 4D Chess's involvement. If anything here is wrong, tell us and a person will check it.

Visit 4D Chess → · Alternatives to 4D Chess → · How this was measured →