"Chess960" meaning in English

{
  "etymology_text": "960 is the number of possible initial positions of Chess960.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "Chess960 (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chess",
          "orig": "en:Chess",
          "parents": [
            "Board games",
            "Tabletop games",
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "960"
        }
      ],
      "glosses": [
        "Synonym of Fischer random chess."
      ],
      "id": "en-Chess960-en-noun-bH86hFiS",
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "Fischer random chess",
          "Fischer random chess#English"
        ]
      ],
      "raw_glosses": [
        "(chess) Synonym of Fischer random chess."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Fischer random chess"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌt͡ʃɛsnaɪ̯nˈsɪksti/"
    },
    {
      "enpr": "chĕsnīnsĭksʹtē"
    }
  ],
  "word": "Chess960"
}

{
  "derived": [
    {
      "word": "960"
    }
  ],
  "etymology_text": "960 is the number of possible initial positions of Chess960.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "Chess960 (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 4-syllable words",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms spelled with numbers",
        "English terms with IPA pronunciation",
        "English uncountable nouns",
        "en:Chess"
      ],
      "glosses": [
        "Synonym of Fischer random chess."
      ],
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "Fischer random chess",
          "Fischer random chess#English"
        ]
      ],
      "raw_glosses": [
        "(chess) Synonym of Fischer random chess."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Fischer random chess"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌt͡ʃɛsnaɪ̯nˈsɪksti/"
    },
    {
      "enpr": "chĕsnīnsĭksʹtē"
    }
  ],
  "word": "Chess960"
}