Correction history · reviewed 2026-08-25

Material mistakes and clarifications stay visible

Direct answer. This page records material factual, diagram and rule-documentation corrections with stable IDs, affected routes and impact. Ordinary software fixes remain in the full changelog.

The machine-readable record is public JSON. Material factual, diagram and rule-documentation corrections with stable public records. Ordinary code fixes remain in the full changelog.

WHW-CORR-2026-07-30-001

Corrected the Snakes and Ladders guide board orientation so square 1 appears at the bottom-left as the guide states.

2026-07-30 · diagram-correction · corrected

Impact: Diagram only; no game-rule or saved-data change.

Affected: /snakes-ladders-guide/

Full release context →

WHW-CORR-2026-07-30-002

Corrected the capture in the chess guide's Fried Liver Attack line.

2026-07-30 · example-correction · corrected

Impact: Worked example only; no chess-engine or saved-data change.

Affected: /chess-guide/

Full release context →

WHW-CORR-2026-08-25-001

Published Ping Hu as a practice-table rule with sourced alternatives instead of implying one universal Singapore definition.

2026-08-25 · rules-provenance · clarified-and-tested

Impact: Documentation and provenance change; five examples are checked against the existing scorer.

Affected: /singapore-mahjong-ping-hu/

Full release context →

WHW-CORR-2026-08-25-002

Removed Primary Power Quest SG's unsupported claim that it was aligned with the Singapore MOE curriculum.

2026-08-25 · educational-claim-correction · corrected-and-recorded

Impact: Claim correction and public review-boundary change; no saved-data or question-bank migration.

Affected: /primary-power-quest-sg/

Full release context →

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