{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-07T14:41:44Z",
    "providers": [
      "Codex",
      "Grok"
    ],
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "usd": 0.00410312,
        "turns": 1,
        "seconds": 57.5,
        "error": null
      },
      "codex": {
        "seconds": 86.1,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c4f-8ed6-7ec3-8c55-3380ca43c6eb\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: king\nRegistry id: vr.tr.king-q138\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy mo"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:17:11+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners",
        "visual_identification"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:10:29+00:00",
        "engine": "codex",
        "fields": [
          "agent_conduct",
          "definition",
          "ethics",
          "owners",
          "visual_identification"
        ],
        "answering_review": "a14f855fda7bd78d1865f617577dc743d64bf415348e617860bc939d47144a74"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "5 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q138",
    "registryId": "vr.tr.king-q138",
    "name": "king",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q138/",
  "model": {
    "registry_id": "vr.tr.king-q138",
    "name": "king",
    "purpose": "Enable an AI agent to recognise a physical chess king, establish its role and current state, and determine which handling or game actions are permissible.",
    "definition": "A king is the chess piece represented by a physical token for each side whose checkmate ends the game; under standard chess rules it ordinarily moves to an adjacent square subject to king-safety constraints and can participate in castling with a rook when the applicable conditions hold.",
    "scope_statement": "Own the physical token representing a chess king and its assignment to a side, position, king-specific constraints and movement history; Q138 identifies the chess piece. [Wikidata](https://www.wikidata.org/wiki/Q138)",
    "in_scope": [
      "Recognition of a king within its particular chess set",
      "Assignment of the physical token to a side and game",
      "Observed placement and reconciliation with the recorded position",
      "King movement, exposure to attack and castling eligibility",
      "Physical usability and replacement of the king token"
    ],
    "out_of_scope": [
      "Human monarchs, royal offices and political authority",
      "Complete chess-game state, scoring and adjudication",
      "Board geometry, orientation and square recognition as standalone models",
      "Movement models for other chess pieces",
      "Player identity, clocks and tournament administration",
      "General manufacturing, ownership and valuation of chess sets"
    ],
    "distinguishing_features": [
      "The set's design, documentation or explicit assignment identifies this token as the king; height or a cross-shaped finial alone is insufficient.",
      "Under standard chess rules, its ordinary movement is to an adjacent square, subject to king-safety constraints, unlike the queen's long-range movement.",
      "It is the piece whose checkmate ends the game; capturing it is not a legal game action.",
      "It participates with a rook in castling when the applicable conditions hold. [FIDE Laws of Chess, Articles 1 and 3](https://handbook.fide.com/chapter/e012023)"
    ],
    "characteristics": [
      {
        "name": "King recognition evidence",
        "kind": "category",
        "unit_or_values": "set documentation | distinctive design | explicit token assignment | unresolved",
        "why_it_matters": "Prevents a queen, decorative miniature or substitute token from being misidentified."
      },
      {
        "name": "Assigned side",
        "kind": "relation",
        "unit_or_values": "white side | black side | unassigned | unknown",
        "why_it_matters": "Determines friendly occupancy, opposing attacks and the relevant player."
      },
      {
        "name": "Game and ruleset",
        "kind": "relation",
        "unit_or_values": "linked game and explicit ruleset/version",
        "why_it_matters": "Supplies the context required to evaluate king actions."
      },
      {
        "name": "Observed placement",
        "kind": "state",
        "unit_or_values": "identified square | between squares | held | off board | unknown",
        "why_it_matters": "Separates what a sensor sees from a confirmed game move."
      },
      {
        "name": "Confirmed game square",
        "kind": "relation",
        "unit_or_values": "a1-h8 for a standard board | unresolved | not assigned to a game",
        "why_it_matters": "Anchors movement and attack evaluation to the accepted position."
      },
      {
        "name": "Check assessment",
        "kind": "state",
        "unit_or_values": "in check | not in check | unknown, linked to a position revision",
        "why_it_matters": "Constrains responses without treating stale analysis as current."
      },
      {
        "name": "Castling rights",
        "kind": "state",
        "unit_or_values": "retained | lost | unknown, separately for each associated rook",
        "why_it_matters": "Records historical eligibility separately from immediate feasibility."
      },
      {
        "name": "King movement history",
        "kind": "state",
        "unit_or_values": "never moved | moved | unknown, with supporting game history",
        "why_it_matters": "A current square alone cannot establish castling rights."
      },
      {
        "name": "Physical readiness",
        "kind": "state",
        "unit_or_values": "recognisable and stable | ambiguous identity | unstable | damaged | missing",
        "why_it_matters": "Determines whether the king can be reliably observed and handled."
      }
    ],
    "affordances": [
      "Identify the king and associate it with the correct side and game.",
      "Reconcile its observed location with the confirmed game position.",
      "Evaluate candidate king moves using the complete resulting position.",
      "Evaluate and execute authorised castling as a coordinated king-and-rook action.",
      "Flag check, uncertain castling rights or inconsistent placement for resolution.",
      "Replace an unusable token while preserving the represented king's game history."
    ],
    "agent_conduct": {
      "may": [
        "Identify a king token using the chess set's design, documentation and game context.",
        "Explain king movement, check, checkmate and castling under the applicable rules.",
        "Record observed placement and movement history while flagging uncertainty.",
        "Handle the token or perform game actions when authorised and permitted by the applicable rules."
      ],
      "must_not": [
        "Treat capturing the king as a legal action under standard chess rules.",
        "Approve a king move or castling without sufficient evidence that the applicable conditions hold.",
        "Alter a token's position or recorded movement history without authorisation.",
        "Provide assistance prohibited by the rules of an ongoing game."
      ],
      "requires_human": [
        "Disputed token identity, placement or movement history affecting play requires human resolution.",
        "Official adjudication of a disputed game requires the responsible human adjudicator."
      ]
    },
    "ethics": {
      "considerations": [
        "Unauthorised manipulation or assistance can undermine fair play.",
        "Uncertain token identification or game state should be disclosed to affected players.",
        "Small pieces and detached decorations can pose risks to young children."
      ],
      "affected_parties": [
        "Players depend on accurate identification and fair handling of pieces.",
        "Arbiters depend on reliable observations and game records.",
        "Owners and custodians are responsible for the physical chess set.",
        "Children may be exposed to small pieces or detached parts."
      ]
    },
    "owners": {
      "steward": "The chess set's owner or authorised custodian, subject to the applicable rules during play.",
      "master_systems": [
        "Game records document the king's position and relevant movement history.",
        "Set inventories or documentation identify the physical token where available."
      ]
    },
    "visual_identification": [
      "A king is often among the tallest pieces in a chess set and may have a cross-shaped finial.",
      "The set's design, documentation or explicit assignment establishes the token's identity because decorative features vary.",
      "The token's appearance and game context help establish its assigned side and recorded position."
    ],
    "what_it_is_for": [
      "The chess king is used in over-the-board games, instruction and position analysis as the piece whose checkmate determines defeat.",
      "Its location and attack status constrain legal moves, and its movement history affects whether castling remains available."
    ],
    "standards_and_regulation": [
      "The Laws of Chess, issued by the International Chess Federation, govern the king's movement, check, checkmate and castling.",
      "The Standards of Chess Equipment, issued by the International Chess Federation, specify king dimensions and distinguishable piece design for relevant competition equipment."
    ],
    "failure_modes_and_hazards": [
      "Confusing the king with another piece can produce illegal moves or an incorrect game result.",
      "Incorrectly tracking attacks on the king or its movement history can permit illegal moves or castling.",
      "Small pieces or detached decorative parts can present a choking hazard to young children."
    ]
  },
  "sources": [
    {
      "id": "wikidata-q12097",
      "title": "king (Q12097)",
      "url": "https://www.wikidata.org/wiki/Q12097",
      "what_it_supports": "Canonical identifier and class: male monarch of a kingdom; distinguished from queen, emperor, and other royal ranks.",
      "url_status": "live"
    },
    {
      "id": "britannica-king",
      "title": "King",
      "url": "https://www.britannica.com/topic/king-monarch",
      "what_it_supports": "Specialist definition of king as sovereign of a kingdom and the historical range from sacral and absolute to constitutional forms.",
      "url_status": "blocked"
    },
    {
      "id": "uk-royal-succession",
      "title": "Succession to the Crown Act 2013",
      "url": "https://www.legislation.gov.uk/ukpga/2013/20/contents",
      "what_it_supports": "Modern statutory regulation of who becomes king in a constitutional monarchy, including gender-neutral succession and marriage consent.",
      "url_status": "live"
    },
    {
      "id": "fide-laws-of-chess",
      "title": "Laws of Chess",
      "url": "https://handbook.fide.com/chapter/E012023",
      "what_it_supports": "The chess king as a distinct physical game object with unique movement, check, and checkmate rules, often confused with the monarch sense.",
      "url_status": "live"
    },
    {
      "id": "wikidata",
      "title": "Wikidata item Q138: king",
      "url": "https://www.wikidata.org/wiki/Q138",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: King (chess)",
      "url": "https://en.wikipedia.org/wiki/King_%28chess%29",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "king-identity",
        "name": "King identity",
        "description": "Establish which physical token represents the king and whose king it is.",
        "rationale": "King-specific restrictions must attach to an evidenced role, not an assumed silhouette.",
        "layers": [
          {
            "id": "set-specific-recognition",
            "name": "Set-specific recognition",
            "description": "Distinguish the king from similar pieces in this set.",
            "findings": [
              {
                "id": "king-identification-evidence",
                "name": "King identification evidence",
                "description": "Record the design cues or explicit designation supporting recognition, including ambiguity with the queen.",
                "questions": [
                  {
                    "text": "What evidence identifies this token as the king in this particular set?",
                    "kind": "definition",
                    "id": "king-identification-evidence-q01"
                  },
                  {
                    "text": "Could the same visible features identify a queen or decorative object here?",
                    "kind": "boundary",
                    "id": "king-identification-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "side-and-token-assignment",
            "name": "Side and token assignment",
            "description": "Connect the physical object to one represented king.",
            "findings": [
              {
                "id": "represented-king",
                "name": "Represented king",
                "description": "Record side, game and whether the object is an original piece, spare or designated substitute.",
                "questions": [
                  {
                    "text": "Which side and game is this king assigned to?",
                    "kind": "definition",
                    "id": "represented-king-q01"
                  },
                  {
                    "text": "Who or what established that assignment, particularly for a substitute token?",
                    "kind": "provenance",
                    "id": "represented-king-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "king-position",
        "name": "King position",
        "description": "Locate the king and reconcile observation with game state.",
        "rationale": "A misplaced or temporarily lifted king must not silently become a confirmed move.",
        "layers": [
          {
            "id": "observed-king-location",
            "name": "Observed king location",
            "description": "Capture the physical placement and its uncertainty.",
            "findings": [
              {
                "id": "square-assignment",
                "name": "Square assignment",
                "description": "Record the observed square or off-board condition together with board orientation and observation time.",
                "questions": [
                  {
                    "text": "Which square contains the king's base, and how was board orientation established?",
                    "kind": "measurement",
                    "id": "square-assignment-q01"
                  },
                  {
                    "text": "Is the token centred on a square, straddling squares, being held or off board?",
                    "kind": "measurement",
                    "id": "square-assignment-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "position-reconciliation",
            "name": "Position reconciliation",
            "description": "Associate the observation with a confirmed position revision.",
            "findings": [
              {
                "id": "observed-versus-recorded-square",
                "name": "Observed versus recorded square",
                "description": "Record discrepancies and the evidence needed to distinguish a move from adjustment, setup or disturbance.",
                "questions": [
                  {
                    "text": "Does the observed king location agree with the latest confirmed game position?",
                    "kind": "boundary",
                    "id": "observed-versus-recorded-square-q01"
                  },
                  {
                    "text": "What evidence is required before accepting a discrepancy as a completed king move?",
                    "kind": "action",
                    "id": "observed-versus-recorded-square-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "king-safety-and-movement",
        "name": "King safety and movement",
        "description": "Evaluate ordinary king moves and king exposure using the linked board position.",
        "rationale": "A geometrically reachable square can still be forbidden because of attack.",
        "layers": [
          {
            "id": "ordinary-king-moves",
            "name": "Ordinary king moves",
            "description": "Evaluate candidate destinations and resulting occupancy.",
            "findings": [
              {
                "id": "candidate-destination",
                "name": "Candidate destination",
                "description": "Record destination geometry, occupancy and the resulting position used for safety evaluation.",
                "questions": [
                  {
                    "text": "Is the proposed destination adjacent and available under the selected ruleset?",
                    "kind": "boundary",
                    "id": "candidate-destination-q01"
                  },
                  {
                    "text": "After moving the king and removing any captured piece, is the destination attacked?",
                    "kind": "action",
                    "id": "candidate-destination-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "check-and-response",
            "name": "Check and response",
            "description": "Record attackers and refer whole-side response analysis to the game model.",
            "findings": [
              {
                "id": "attack-evidence",
                "name": "Attack evidence",
                "description": "Attach attacking pieces and attack paths to a specific position; include opposing-king proximity and attacks from pinned pieces.",
                "questions": [
                  {
                    "text": "Which opposing pieces attack the king's square under the applicable attack rules?",
                    "kind": "measurement",
                    "id": "attack-evidence-q01"
                  },
                  {
                    "text": "Does the attack calculation account for the opposing king and pieces constrained by their own king's safety?",
                    "kind": "boundary",
                    "id": "attack-evidence-q02"
                  }
                ]
              },
              {
                "id": "response-and-outcome-boundary",
                "name": "Response and outcome boundary",
                "description": "Keep king escape analysis separate from all legal responses and the game's outcome decision.",
                "questions": [
                  {
                    "text": "Can the side answer the threat through a king move, capture or interposition?",
                    "kind": "action",
                    "id": "response-and-outcome-boundary-q01"
                  },
                  {
                    "text": "Has the game model checked all legal moves before reporting checkmate or stalemate?",
                    "kind": "boundary",
                    "id": "response-and-outcome-boundary-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "castling",
        "name": "Castling",
        "description": "Track historical rights and evaluate a proposed coordinated king-and-rook move.",
        "rationale": "Castling requires information that cannot be recovered from the king's present location alone.",
        "layers": [
          {
            "id": "castling-history",
            "name": "Castling history",
            "description": "Establish rights using the king and associated rook histories.",
            "findings": [
              {
                "id": "historical-rights-evidence",
                "name": "Historical rights evidence",
                "description": "Record evidence of retained or lost rights and preserve unknown status when history is incomplete.",
                "questions": [
                  {
                    "text": "What move history or trusted position record establishes rights for each associated rook?",
                    "kind": "provenance",
                    "id": "historical-rights-evidence-q01"
                  },
                  {
                    "text": "Has the king or relevant rook previously moved, even if it later returned?",
                    "kind": "boundary",
                    "id": "historical-rights-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "castling-feasibility",
            "name": "Castling feasibility",
            "description": "Evaluate current occupancy, king safety and both pieces' destinations.",
            "findings": [
              {
                "id": "castling-action-plan",
                "name": "Castling action plan",
                "description": "Record the ruleset-specific path checks and a coordinated relocation plan tied to the current position.",
                "questions": [
                  {
                    "text": "Which king and rook start squares, transit squares and destinations apply to this ruleset?",
                    "kind": "definition",
                    "id": "castling-action-plan-q01"
                  },
                  {
                    "text": "Do current occupancy and attack conditions permit this castling action?",
                    "kind": "boundary",
                    "id": "castling-action-plan-q02"
                  },
                  {
                    "text": "How will both final placements be verified before the game record accepts castling?",
                    "kind": "action",
                    "id": "castling-action-plan-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "physical-king-use",
        "name": "Physical king use",
        "description": "Assess whether the king token can be handled and keep physical interventions distinct from game actions.",
        "rationale": "Damage, accidental displacement and replacement can affect the token without changing the represented king's rights.",
        "layers": [
          {
            "id": "king-handling-readiness",
            "name": "King handling readiness",
            "description": "Assess king-specific recognition and manipulation constraints.",
            "findings": [
              {
                "id": "finial-base-and-grip",
                "name": "Finial, base and grip",
                "description": "Record whether damaged identifying features, an unstable base or a fragile top prevent reliable recognition or movement.",
                "questions": [
                  {
                    "text": "Can this king still be distinguished from its queen and stand securely on one square?",
                    "kind": "measurement",
                    "id": "finial-base-and-grip-q01"
                  },
                  {
                    "text": "Where can the token be gripped without relying on a fragile finial or disturbing neighbouring pieces?",
                    "kind": "action",
                    "id": "finial-base-and-grip-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "king-intervention-continuity",
            "name": "King intervention continuity",
            "description": "Preserve the represented king across adjustments, disturbances and token replacement.",
            "findings": [
              {
                "id": "handling-intent",
                "name": "Handling intent",
                "description": "Record whether manipulation is an authorised move, adjustment, restoration or replacement; avoid inferring resignation from a fallen king alone.",
                "questions": [
                  {
                    "text": "What establishes the purpose and authority for touching, lifting or repositioning this king?",
                    "kind": "action",
                    "id": "handling-intent-q01"
                  },
                  {
                    "text": "If the king is toppled or removed, what corroborating evidence establishes the game significance?",
                    "kind": "boundary",
                    "id": "handling-intent-q02"
                  }
                ]
              },
              {
                "id": "replacement-continuity",
                "name": "Replacement continuity",
                "description": "Link a replacement token to the existing represented king and its confirmed state.",
                "questions": [
                  {
                    "text": "Which replacement token has been accepted to represent this same king?",
                    "kind": "provenance",
                    "id": "replacement-continuity-q01"
                  },
                  {
                    "text": "How will side, square and castling history be preserved through replacement?",
                    "kind": "action",
                    "id": "replacement-continuity-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "constitutional / ceremonial monarch",
                  "absolute monarch",
                  "elected or tanist king",
                  "co-king or junior king",
                  "king consort",
                  "pretender or claimant in exile",
                  "chess king (game piece)",
                  "playing-card king"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "scheme": "Wikidata",
                    "value_or_pattern": "Q12097",
                    "note": "king as male monarch / sovereign of a kingdom"
                  },
                  {
                    "scheme": "Wikidata",
                    "value_or_pattern": "Q184386",
                    "note": "chess king (game piece); separate item from the office"
                  },
                  {
                    "scheme": "Library of Congress Subject Headings",
                    "value_or_pattern": "Kings and rulers",
                    "note": "LCSH class used in cataloguing persons holding the office"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Succession to the Crown Act 2013 (United Kingdom Parliament) - gender-neutral succession and consent to royal marriage in the UK and, by agreement, several Commonwealth realms",
                  "Spanish Constitution of 1978, Title II The Crown (Cortes Generales / Kingdom of Spain) - king as Head of State, inviolable, with succession by male-preference cognatic primogeniture still in the text",
                  "Belgian Constitution, Title III The King and the Federal Government (Belgian Federal Parliament) - king's powers exercised only with ministerial countersignature",
                  "FIDE Laws of Chess, Articles 3.8 and 5 (International Chess Federation) - movement, check, and checkmate of the king piece"
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Head of state in remaining kingdoms (e.g. United Kingdom, Spain, Belgium, Sweden, Norway, Denmark, Netherlands, Jordan, Morocco, Saudi Arabia, Thailand, Eswatini), performing constitutionally specified acts: assent, appointment of ministers, commander-in-chief functions, state visits",
                  "Dynastic and liturgical figure in coronation, accession, and state funeral rites",
                  "Named party on coinage, seals, letters patent, and military commissions",
                  "Chess set piece: the unique royal piece whose checkmate ends the game",
                  "Standard face card in a 52-card deck (king of each suit)"
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "quantity": "reign length",
                    "typical_range": "a few days to ~70 years in well-documented modern cases",
                    "unit": "year"
                  },
                  {
                    "quantity": "count of currently reigning kings as heads of state",
                    "typical_range": "on the order of 20-30 sovereign kings worldwide, depending on whether elective and dual monarchies are counted",
                    "unit": "person"
                  },
                  {
                    "quantity": "chess-king height in a tournament set (Staunton)",
                    "typical_range": "85-105",
                    "unit": "mm"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Succession crisis: disputed legitimacy, minority, or absence of an heir producing civil war or constitutional deadlock",
                  "Personal union and divided loyalty when one person is king of more than one realm",
                  "Constitutional overreach or refusal to act (e.g. withholding assent, dismissing a government) in a system that assumes a non-partisan crown",
                  "Regicide, deposition, or forced abdication as political violence against the office-holder",
                  "In chess: leaving the king in check is an illegal move; stalemate and insufficient mating material are game-ending conditions distinct from checkmate"
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "English king vs queen: gender of the sovereign; a reigning woman is queen regnant, not king",
                  "French roi, Spanish rey, German König, Arabic malik, Hebrew melek, Chinese wang - not always equivalent in rank to European king (wang historically below huangdi/emperor)",
                  "Saudi Arabia and several Gulf states: king as absolute or near-absolute ruler with Islamic legal framing; European kingdoms: largely ceremonial under ministerial responsibility",
                  "Malaysia: Yang di-Pertuan Agong, a king elected on rotation among hereditary state rulers",
                  "Eswatini: dual monarchy with a king (Ngwenyama) and a queen mother (Ndlovukati) sharing ritual and political roles",
                  "Chess: the piece is called roi, König, rey, король; some historical sets used a non-Staunton form that is easy to confuse with the queen"
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "name": "queen regnant",
                    "difference": "A woman holding the same sovereign office in her own right; test is the incumbent's sex and the style used in that polity's law (queen, not king), not a lesser rank."
                  },
                  {
                    "name": "emperor",
                    "difference": "A higher or differently framed imperial rank (imperator, huangdi, tennō); test is the polity's official style and whether the ruler claims supremacy over kings rather than kingship of a single kingdom."
                  },
                  {
                    "name": "king consort",
                    "difference": "Spouse of a queen regnant who holds a kingly title without the sovereign office; test is whether succession and constitutional powers vest in that person."
                  },
                  {
                    "name": "prince / crown prince",
                    "difference": "Heir or dynast who is not yet sovereign; test is whether accession (or an equivalent legal act) has occurred."
                  },
                  {
                    "name": "chess queen",
                    "difference": "The most mobile piece, not the royal piece; test is movement (queen: any number of squares on rank, file, or diagonal; king: one square) and that only the king's checkmate ends the game."
                  },
                  {
                    "name": "playing-card king",
                    "difference": "A rank in a card deck, not an office-holder; test is the object type (printed card vs person or chess piece)."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of king this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does an existing Vercy world model already own the chess-king concept, requiring this registry entry to link to it?",
    "Should the initial model support only standard chess, or also Chess960 and other explicitly named variants?",
    "What evidence threshold should establish king identity in unfamiliar, abstract or accessibility-oriented chess sets?",
    "Which connected system supplies authoritative position history, attack analysis and castling rights when observations are incomplete?",
    "Which play context and handling rules govern robotic movement, adjustments, replacement tokens and interpretation of a toppled king?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 20,
    "questions": 33
  }
}
