Chessmaster 3000 from the Software Toolworks.. The Finest Chess Program in the World. Complete with Owners Manual, Windows Quick Start Card, User's Guide, (2)5.25" and (2) 3.5" Floppy Disks. IBM PC & Compatibles using an 80286 or higher processor, Windows 3.0 (Standard or Enhanced Mode), DOS Version 3.0 or later. Excellent condition. Perfect for those interested in vintage computer games.