kokopu/test/resources/jsons/invalid-tag-2/game.json

A JavaScript/TypeScript library implementing the chess game rules and providing tools to read/write the standard chess file formats.

{
    "event": "Invalid tag",
    "mainVariation": [
        "e4",
        { "notation": "Nf6", "tags": { "csl": "Re4", "ill formed tag key": "some tag value" } }
    ]
}