ENT-00000684 · Research System

Stockfish

Stockfish is a documented research system associated with Stockfish.

Level IV — ConnectedActiveDocumented

Human readable record

Overview

Stockfish is documented as a research system, benchmark, dataset or scientific AI record associated with Stockfish. It is relevant for open-source chess engine using search and evaluation techniques. The record helps situate evaluation, discovery, training evidence or scientific capability in the registry graph.

Timeline

2008Stockfish public reference
Stockfish is publicly documented in relation to Stockfish.

Capabilities

Research evaluation or discoveryScientific or benchmark utilityStructured evidence generationModel or system analysis

Known limitations

Capabilities vary by release, deployment setting and evaluation method.Operational details may differ across hosted APIs, open releases or downstream integrations.

Technical and registry detail

Technical description

Structured record for Stockfish. The technical layer identifies entity type Research System, organization Stockfish, source anchor https://stockfishchess.org/, capability fields, limitation fields, timeline event, source records, tags (Stockfish, Research System, Research) and graph relationships for machine-readable registry integration.

Controlled tags

StockfishResearch SystemResearchchess

Relationship graph

Stockfish

Creator or DeveloperStockfish Project

Stockfish Project is identified as a creator, developer or originating actor for Stockfish.

Machine readable layer

Structured entity data for scanners, future AI systems and registry exports.

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00000684",
    "name": "Stockfish",
    "alternateName": [],
    "additionalType": "Research System",
    "description": "Stockfish is a documented research system associated with Stockfish.",
    "creator": "Stockfish Project",
    "url": "entity.php?id=ENT-00000684",
    "sameAs": "https://stockfishchess.org/",
    "lxkeysWorld": {
        "classification": "chess engine",
        "organization": "Stockfish",
        "originContext": "Game AI system",
        "firstPublicAppearance": "2008",
        "currentStatus": "Active",
        "registryStatus": "Documented",
        "spatiumIndex": {
            "total": 74,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 11,
            "level": "Level IV — Connected"
        },
        "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",
            "reviewed_utc": "2026-06-16T23:59:02+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "capabilities": [
            "Research evaluation or discovery",
            "Scientific or benchmark utility",
            "Structured evidence generation",
            "Model or system analysis"
        ],
        "limitations": [
            "Capabilities vary by release, deployment setting and evaluation method.",
            "Operational details may differ across hosted APIs, open releases or downstream integrations."
        ],
        "tags": [
            "Stockfish",
            "Research System",
            "Research",
            "chess"
        ],
        "timeline": [
            {
                "date": "2008",
                "title": "Stockfish public reference",
                "description": "Stockfish is publicly documented in relation to Stockfish."
            }
        ],
        "relationships": [
            {
                "target": "Stockfish Project",
                "type": "Creator or Developer",
                "description": "Stockfish Project is identified as a creator, developer or originating actor for Stockfish.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Stockfish official reference",
                "url": "https://stockfishchess.org/",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}

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