Leela Chess Zero

Structured entry data for human tools, AI systems and machine clients.

{
    "@context": [
        "https://schema.org",
        {
            "lxw": "https://lxkeys.world/schema/"
        }
    ],
    "@type": "Thing",
    "identifier": "ENT-00000685",
    "name": "Leela Chess Zero",
    "alternateName": [
        "LCZero",
        "Lc0"
    ],
    "additionalType": {
        "category": "Methods and Research",
        "type": "Research System",
        "subtype": "",
        "lxkeysEntity": false
    },
    "description": "Leela Chess Zero is a research system associated with Leela Chess Zero, classified in LXKeys.world as AI Research / Specialized System.",
    "creator": "Leela Chess Zero Project",
    "url": "https://lxkeys.world/entry.php?id=ENT-00000685&lang=en",
    "sameAs": "https://lczero.org/",
    "image": "",
    "lxkeysWorld": {
        "worldId": "ENT-00000685",
        "kind": "Methods and Research",
        "type": "Research System",
        "subtype": "",
        "classification": "AI Research / Specialized System",
        "organization": "Leela Chess Zero",
        "originContext": "Game AI system",
        "firstPublicAppearance": "2018",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
            "total": 88,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 25,
            "level": "Level V Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:02+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:02+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "facts": [],
        "capabilities": [
            "Research prototype documentation",
            "Experimental AI capability",
            "Method evaluation",
            "Research lineage"
        ],
        "limitations": [
            "Capabilities vary by release, deployment setting and evaluation method.",
            "Operational details may differ across hosted APIs, open releases or downstream integrations.",
            "Model behavior depends on version, deployment settings and usage context.",
            "Capabilities should be interpreted through the linked model card, official documentation or research source."
        ],
        "tags": [
            "Leela Chess Zero",
            "Research System",
            "Research",
            "neural",
            "AI History",
            "Machine Learning",
            "Historical"
        ],
        "timeline": [
            {
                "date": "2018",
                "title": "Initial research publication or demonstration",
                "description": "Leela Chess Zero entered the documented public record in 2018. This event is retained at the precision supported by the Entry’s reviewed source history.",
                "source_url": "https://lczero.org/",
                "verification_status": "source_backed_official"
            }
        ],
        "relationships": [
            {
                "target": "Leela Chess Zero Project",
                "type": "Creator or Developer",
                "description": "Leela Chess Zero Project is identified as a creator, developer or originating actor for Leela Chess Zero.",
                "evidence_level": "documentary"
            },
            {
                "target": "Leela Chess Zero Project",
                "type": "Creator",
                "description": "Leela Chess Zero Project is documented as creator, contributor or originating team for LCZero.",
                "evidence_level": "documentary"
            },
            {
                "target": "LCZero",
                "type": "Associated organization",
                "description": "LCZero is the organization or institutional context associated with LCZero.",
                "evidence_level": "documentary"
            },
            {
                "target": "Historical / Research AI System",
                "type": "Classification",
                "description": "LCZero is classified as Historical / Research AI System.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Leela Chess Zero official reference",
                "url": "https://lczero.org/",
                "source_type": "Official Documentation",
                "verification_status": "verified",
                "authority": "OFFICIAL",
                "role": "primary",
                "update_enabled": true,
                "authority_basis": "curated-corpus-refresh-2026-09-08"
            }
        ],
        "canonical": [],
        "imageMeta": []
    }
}