---
title: "1K Chess on the ZX81"
id: 73338
type: "video"
slug: "1k-chess-on-the-zx81"
url: "http://localhost/video/1k-chess-on-the-zx81/"
markdown_url: "http://localhost/video/1k-chess-on-the-zx81.md"
published_at: "2026-10-28T22:15:19+00:00"
modified_at: "2026-10-28T22:15:19+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "A YouTube video by petsasjim1 that shows 1K Chess."
post_tag:
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
video_date: "20190103"
youtube_video_link: "https://www.youtube.com/watch?v=4Ia3ROAn-0Y"
---

# 1K Chess on the ZX81

A YouTube video by petsasjim1 that shows [1K Chess](http://localhost/product/1k-chess/).

## Youtube embed

<style>.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }</style><div class='embed-container'><iframe src='https://www.youtube.com/embed/4Ia3ROAn-0Y' frameborder='0' allowfullscreen></iframe></div>