---
title: "High-Res Chess Upgrade"
id: 35779
type: "product"
slug: "high-res-chess-upgrade"
url: "http://localhost/product/high-res-chess-upgrade/"
markdown_url: "http://localhost/product/high-res-chess-upgrade.md"
published_at: "2021-01-18T02:03:21+00:00"
modified_at: "2026-03-22T13:24:54+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Upgrade to Psion Chess. Big board display showing all chess pieces as they should look. Messages printed in 64 column characters on left. Comes with instructions on modifying original Psion Chess. Uses WRX16 Hi-Res routines."
category:
  - name: "Games"
    slug: "games"
    taxonomy: "category"
    url: "http://localhost/category/software/games/"
post_tag:
  - name: "Silicon Mountain Computers"
    slug: "silicon-mountain-computers"
    taxonomy: "post_tag"
    url: "http://localhost/tag/silicon-mountain-computers/"
  - 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: 20332
  title: "Silicon Mountain Computers"
  type: "company"
  url: "http://localhost/company/silicon-mountain-computers/"
price: 9.96
date: 1988
rarity: "Uncommon"
companies_products:
  - id: 20332
    title: "Silicon Mountain Computers"
    type: "company"
    url: "http://localhost/company/silicon-mountain-computers/"
---

# High-Res Chess Upgrade

Upgrade to Psion Chess. Big board display showing all chess pieces as they should look. Messages printed in 64 column characters on left. Comes with instructions on modifying original Psion Chess. Uses WRX16 Hi-Res routines.