{
  "data": {
    "id": "black-and-white-cl",
    "name": "Black & White",
    "country": "CL",
    "country_name": "Chile",
    "countries_polled": [
      "CL"
    ],
    "modes": [
      "online panel (Black&White panel, random sampling within panel, weighted to 2024 census)"
    ],
    "aliases": [],
    "website": null,
    "wikidata": null,
    "registries": [],
    "note": null,
    "url": "https://electionindex.org/pollster/black-and-white-cl",
    "final_polls": [
      {
        "id": "black-and-white-cl/chile-general-2025",
        "pollster": "black-and-white-cl",
        "pollster_name": "Black & White",
        "election": "chile-general-2025",
        "race": "president",
        "commissioned_by": "Black & White (own 'Estudio Presidenciales y Actualidad'; report released via El Dínamo)",
        "fieldwork": {
          "start": "2025-10-28",
          "end": "2025-10-29"
        },
        "published_at": "2025-10-31",
        "sample_size": 1289,
        "mode": "online panel (Black&White panel, random sampling within panel, weighted to 2024 census)",
        "population": "Personas de 18 años o más residentes de todo el país",
        "base": "Excludes null/blank/unsure: \"el cálculo de los porcentajes por candidato se calculó sin considerar aquellas personas que marcaron nulo, blanco o no estoy seguro/a, que no supera el 3%.\"",
        "results": [
          {
            "name": "Jeannette Jara",
            "pct": 30,
            "match": "Jeannette Jara Román"
          },
          {
            "name": "José Antonio Kast",
            "pct": 23,
            "match": "José Antonio Kast Rist"
          },
          {
            "name": "Johannes Kaiser",
            "pct": 20,
            "match": "Johannes Kaiser Barents-Von Hohenhagen"
          },
          {
            "name": "Evelyn Matthei",
            "pct": 17,
            "match": "Evelyn Matthei Fornet"
          },
          {
            "name": "Franco Parisi",
            "pct": 7,
            "match": "Franco Parisi Fernández"
          },
          {
            "name": "Harold Mayne-Nicholls",
            "pct": 2,
            "match": "Harold Mayne-Nicholls Sécul"
          }
        ],
        "undecided_pct": null,
        "registry": null,
        "source": "https://media.eldinamo.cl/2025/10/Reporte-Presidenciales-y-Actualidad-30-octubre-PDF.pdf",
        "read_on": "2026-10-25",
        "licence_layer": "facts-only",
        "against_result": {
          "rows": [
            {
              "name": "Jeannette Jara",
              "match": "Jeannette Jara Román",
              "poll": 30,
              "result": 26.8,
              "error": 3.2
            },
            {
              "name": "José Antonio Kast",
              "match": "José Antonio Kast Rist",
              "poll": 23,
              "result": 23.9,
              "error": -0.9
            },
            {
              "name": "Johannes Kaiser",
              "match": "Johannes Kaiser Barents-Von Hohenhagen",
              "poll": 20,
              "result": 13.9,
              "error": 6.1
            },
            {
              "name": "Evelyn Matthei",
              "match": "Evelyn Matthei Fornet",
              "poll": 17,
              "result": 12.5,
              "error": 4.5
            },
            {
              "name": "Franco Parisi",
              "match": "Franco Parisi Fernández",
              "poll": 7,
              "result": 19.7,
              "error": -12.7
            },
            {
              "name": "Harold Mayne-Nicholls",
              "match": "Harold Mayne-Nicholls Sécul",
              "poll": 2,
              "result": 1.3,
              "error": 0.7
            }
          ],
          "mean_abs_error": 4.7,
          "margin_error": 4.1,
          "margin_towards": "Jeannette Jara Román",
          "margin_towards_label": "Jeannette Jara",
          "leader_same_as_result": true
        },
        "not_comparable": null,
        "note": "Pollster's own report PDF, hosted by El Dínamo and linked from its article 'Última Black & White antes de la veda' (https://www.eldinamo.cl/politica/2025/10/31/ultima-black-white-antes-de-la-veda-kaiser-desplaza-a-matthei-y-se-acerca-a-kast-en-carrera-presidencial/, datePublished 2025-10-31). Chart is labelled '29 octubre 2025'. Values for Enríquez-Ominami and Artés could not be read (overlapping labels in the stacked chart); left null rather than inferred."
      }
    ]
  },
  "meta": {
    "dataset_version": "2026-10-26.74f9bab4",
    "built_at": "2026-10-26T08:01:24Z",
    "generated_at": "2026-10-26T18:47:25.328Z",
    "licence": "CC BY 4.0: credit \"Global Election Index (electionindex.org)\" and link to https://electionindex.org",
    "docs": "https://electionindex.org/docs"
  }
}