{ "model": { "rank": 6918, "code": "thing-q188566", "model_id": "vr.tr.sicilian-defence", "name": "Sicilian Defence", "purpose": "Let an agent identify the Sicilian Defence and its main variations, explain its ideas and typical plans from opening theory, relay classification codes and reference sources, and route current theory to databases.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q188566/", "tier": 2, "score": 58, "payload": { "layer": "wikidata", "aliases": [ "Sicilian Defence, Wing Gambit", "Sicilian Defence, Classical Variation", "Sicilian Defence, Najdorf Variation", "Sicilian Defence, Katalymov Variation", "Sicilian Defense, Sveshnikov Variiant", "Sicilian Defence, Smith–Morra Gambit", "Krogius Gambit", "Bobby Fischer Trap", "Richter–Rauzer Attack", "Sicilian Defence, Alapin Variation", "Sicilian Defence, Four Knights Game", "Sicilian Defence, Taimanov Variation", "Closed Sicilian", "Accelerated Dragon", "Scheveningen Variation", "Sicilian Defence, Magnus Smith Trap", "Dragon Variation", "English Attack", "Polugaevsky Variation", "Verbeterde List", "Poisoned Pawn Variation", "Kasparov Gambit", "Sicilian Defense, Dragondorf Variation", "Sicilian Defence, Dragon Variation, Yugoslav Attack, 9.Bc4" ], "aliasCount": 24, "merged": 24, "knownIn": 58, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q188566", "url": "https://www.wikidata.org/wiki/Q188566", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T21:34:02Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q188566", "registryId": "vr.tr.sicilian-defence", "name": "Sicilian Defence", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q188566/", "model": { "registry_id": "vr.tr.sicilian-defence", "name": "Sicilian Defence", "purpose": "Let an agent identify the Sicilian Defence and its main variations, explain its ideas and typical plans from opening theory, relay classification codes and reference sources, and route current theory to databases.", "definition": "A chess opening beginning with 1.e4 c5, in which Black answers the king pawn with the queen bishop pawn to create an unbalanced game and fight for the centre from the side; the most popular reply to 1.e4 at all levels, with major variations including the Najdorf, Dragon, Scheveningen, Sveshnikov, Classical and closed lines and gambits such as the Smith-Morra.", "what_it_is_for": "Answering 1.e4 with an unbalanced fighting game.", "affordances": [ "identify the opening and variations from moves", "explain the main ideas and plans", "relay ECO codes and references", "distinguish it from other replies to 1.e4" ], "distinguishing_features": [ "Asymmetric pawn structure", "Most popular reply to 1.e4", "Vast theory with many named variations", "Sharp and strategic lines" ], "appearance": "Not a physical object; a position after 1.e4 c5.", "visual_identification": [ "Moves 1.e4 c5", "Branches by both sides choices, open and closed systems", "The French, Caro-Kann and 1...e5 are other replies to 1.e4" ], "physical_properties": [ { "quantity": "ECO codes", "typical_range": "B20-B99", "unit": "codes", "note": "" } ], "families_and_kinds": [ "Open Sicilian with 2.Nf3 and 3.d4", "Najdorf Variation", "Dragon Variation", "Scheveningen and Classical Variations", "Sveshnikov and Kalashnikov", "Closed Sicilian", "anti-Sicilians and gambits such as the Smith-Morra and Wing Gambit" ], "related_models": [ { "relation": "is a kind of", "target": "chess opening", "why": "a semi-open game" }, { "relation": "is a kind of", "target": "Semi-Open Game", "why": "openings after 1.e4 without 1...e5" }, { "relation": "includes", "target": "Najdorf Variation", "why": "a major branch" }, { "relation": "is contrasted with", "target": "French Defence", "why": "another reply to 1.e4" } ], "identifiers": [ { "scheme": "ECO", "value_or_pattern": "B20-B99", "note": "Encyclopaedia of Chess Openings" } ], "standards_and_regulation": [ "FIDE laws of chess", "ECO classification conventions" ], "failure_modes_and_hazards": [ "Confusing variations and move orders", "Outdated theory presented as current", "Overwhelming beginners with theory" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "identify", "name": "Identify", "description": "What the opening is.", "rationale": "Identity.", "layers": [ { "id": "moves", "name": "Moves", "description": "Defining moves.", "findings": [ { "id": "moves-finding", "name": "Moves", "description": "Moves.", "questions": [ { "text": "What moves define the Sicilian Defence, and how do the main variations branch?", "kind": "definition" }, { "text": "Is the question about the Sicilian or another reply to 1.e4?", "kind": "boundary" } ] } ] }, { "id": "codes", "name": "Codes", "description": "Classification.", "findings": [ { "id": "codes-finding", "name": "Codes", "description": "Codes.", "questions": [ { "text": "Which ECO codes cover the opening and its variations?", "kind": "provenance" }, { "text": "Which entry fits a specific variation?", "kind": "action" } ] } ] } ] }, { "id": "ideas", "name": "Ideas", "description": "Strategy.", "rationale": "Plans.", "layers": [ { "id": "plans", "name": "Plans", "description": "Typical plans.", "findings": [ { "id": "plans-finding", "name": "Plans", "description": "Plans.", "questions": [ { "text": "What are the strategic ideas for both sides, such as the d5 break and the kingside attack?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "theory", "name": "Theory", "description": "Current theory.", "findings": [ { "id": "theory-finding", "name": "Theory", "description": "Theory.", "questions": [ { "text": "What does current theory say about the main lines, and how has it changed?", "kind": "provenance" }, { "text": "Is the assessment current?", "kind": "boundary" } ] } ] } ] }, { "id": "play", "name": "Play", "description": "Practice.", "rationale": "Play.", "layers": [ { "id": "level", "name": "Level", "description": "Suitability by level.", "findings": [ { "id": "level-finding", "name": "Level", "description": "Level.", "questions": [ { "text": "How is the Sicilian used at club and top level, and which lines suit which players?", "kind": "provenance" }, { "text": "Which entry fits chess training?", "kind": "action" } ] } ] }, { "id": "games", "name": "Games", "description": "Notable games.", "findings": [ { "id": "games-finding", "name": "Games", "description": "Games.", "questions": [ { "text": "Which famous games illustrate the opening?", "kind": "provenance" }, { "text": "Which entry fits a specific game?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did the Sicilian develop from early mentions to its modern dominance?", "kind": "provenance" }, { "text": "Which entry fits the history of chess openings?", "kind": "action" } ] } ] }, { "id": "players", "name": "Players", "description": "Players associated.", "findings": [ { "id": "players-finding", "name": "Players", "description": "Players.", "questions": [ { "text": "Which players are associated with the main variations?", "kind": "provenance" }, { "text": "Which entry fits a specific player?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should each major variation be a separate entry?", "How should opening databases be linked?", "The registry entry has merged aliases naming many variations; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a Sicilian Defence, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent identify the Sicilian Defence and its main variations, explain its ideas and typical plans from opening theory, relay classification codes and reference sources, and route current theory to databases.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Sicilian Defence, Wing Gambit, Sicilian Defence, Classical Variation, Sicilian Defence, Najdorf Variation, Sicilian Defence, Katalymov Variation, Sicilian Defense, Sveshnikov Variiant, Sicilian Defence, Smith–Morra Gambit, Krogius Gambit, Bobby Fischer Trap, Richter–Rauzer Attack, Sicilian Defence, Alapin Variation, Sicilian Defence, Four Knights Game, Sicilian Defence, Taimanov Variation.", "24 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 58 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a Sicilian Defence, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Sicilian Defence, Wing Gambit", "Sicilian Defence, Classical Variation", "Sicilian Defence, Najdorf Variation", "Sicilian Defence, Katalymov Variation", "Sicilian Defense, Sveshnikov Variiant", "Sicilian Defence, Smith–Morra Gambit", "Krogius Gambit", "Bobby Fischer Trap", "Richter–Rauzer Attack", "Sicilian Defence, Alapin Variation", "Sicilian Defence, Four Knights Game", "Sicilian Defence, Taimanov Variation" ] } ], "standing": "Described in 58 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 24 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one Sicilian Defence from another, and a Sicilian Defence from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a Sicilian Defence sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a Sicilian Defence from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a Sicilian Defence passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a Sicilian Defence between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a Sicilian Defence, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a Sicilian Defence is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What Sicilian Defence is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of Sicilian Defence are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is Sicilian Defence operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of Sicilian Defence and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of Sicilian Defence?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as Sicilian Defence?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a Sicilian Defence came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a Sicilian Defence and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a Sicilian Defence is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a Sicilian Defence, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a Sicilian Defence, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a Sicilian Defence is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }