---
title: "ZX Chess I"
id: 14705
type: "product"
slug: "zx-chess-i"
url: "http://localhost/product/zx-chess-i/"
markdown_url: "http://localhost/product/zx-chess-i.md"
published_at: "2019-11-30T01:13:23+00:00"
modified_at: "2026-03-22T13:41:26+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2020/08/Gladstone-Chess-I-ZX-Chess.jpg"
excerpt: "A challenging chess program, written in machine language, designed to operate in the ZX81 fast mode. ZX Chess allows you to select from 6 levels of play, choose either black or white, and enables castling and en-passant moves. Unique self-running feature: you start the tape and when the chess board appears on the screen, start…"
category:
  - name: "Games"
    slug: "games"
    taxonomy: "category"
    url: "http://localhost/category/software/games/"
post_tag:
  - name: "A Lawrie (Software)"
    slug: "a-lawrie-software"
    taxonomy: "post_tag"
    url: "http://localhost/tag/a-lawrie-software/"
  - name: "Artic Computing"
    slug: "artic-computing"
    taxonomy: "post_tag"
    url: "http://localhost/tag/artic-computing/"
  - name: "data-assette"
    slug: "data-assette"
    taxonomy: "post_tag"
    url: "http://localhost/tag/data-assette/"
  - name: "Downloadable"
    slug: "downloadable"
    taxonomy: "post_tag"
    url: "http://localhost/tag/downloadable/"
  - name: "Gladstone Electronics"
    slug: "gladstone-electronics"
    taxonomy: "post_tag"
    url: "http://localhost/tag/gladstone-electronics/"
  - name: "International Publishing & Software Inc"
    slug: "international-publishing-software-inc"
    taxonomy: "post_tag"
    url: "http://localhost/tag/international-publishing-software-inc/"
  - name: "Melbourne House Publishers"
    slug: "melbourne-house-publishers"
    taxonomy: "post_tag"
    url: "http://localhost/tag/melbourne-house-publishers/"
  - name: "Softsync"
    slug: "softsync"
    taxonomy: "post_tag"
    url: "http://localhost/tag/softsync/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
genre:
  - name: "Game"
    slug: "game"
    taxonomy: "genre"
    url: "http://localhost/type/game/"
  - name: "Software"
    slug: "software"
    taxonomy: "genre"
    url: "http://localhost/type/software/"
company:
  id: 10657
  title: "Artic Computing"
  type: "company"
  url: "http://localhost/company/artic-computing/"
price: 14.95
date: 1981
rarity: "Uncommon"
related_content:
  - id: 35687
    title: "Gladstone Electronics February 1983 catalog"
    type: "document"
    url: "http://localhost/document/gladstone-electronics-february-1983-catalog/"
  - id: 24282
    title: "Resources (Sync v1 n5)"
    type: "article"
    url: "http://localhost/article/resources-sync-v1-n5/"
  - id: 24296
    title: "Resources (Sync v1 n6)"
    type: "article"
    url: "http://localhost/article/resources-sync-v1-n6/"
  - id: 24195
    title: "ZX81 Chess vs. ZX Chess II"
    type: "article"
    url: "http://localhost/article/zx81-chess-vs-zx-chess-ii/"
adverts:
  - publication:
      - id: 26645
        title: "SYNC v2 n5"
        type: "issue"
        url: "http://localhost/issue/sync-v2-n5/"
    advert_page: "32"
related_products:
  - id: 51925
    title: "ZX Chess I"
    type: "computer_media"
    url: "http://localhost/computer_media/zx-chess-i/"
companies_products:
  - id: 10615
    title: "A Lawrie (Software)"
    type: "company"
    url: "http://localhost/company/a-lawrie-software/"
  - id: 10798
    title: "Data-assette"
    type: "company"
    url: "http://localhost/company/data-assette/"
  - id: 10902
    title: "Gladstone Electronics"
    type: "company"
    url: "http://localhost/company/gladstone-electronics/"
  - id: 10960
    title: "International Publishing & Software Inc"
    type: "company"
    url: "http://localhost/company/international-publishing-software-inc/"
  - id: 11319
    title: "Softsync, Inc."
    type: "company"
    url: "http://localhost/company/softsync/"
  - id: 11087
    title: "Melbourne House Publishers"
    type: "company"
    url: "http://localhost/company/melbourne-house-publishers/"
---

# ZX Chess I

A challenging chess program, written in machine language, designed to operate in the ZX81 fast mode. ZX Chess allows you to select from 6 levels of play, choose either black or white, and enables castling and en-passant moves. Unique self-running feature: you start the tape and when the chess board appears on the screen, start your game. 16K.