CHESS OLDIES OF COMMODORE 64
Thanks to http://www.jac64.com for Commodore 64 java emulator.
Click on java, use keyboard only, no mouse.
 
Reset,
Sound off,
Sound on,
Fullscreen
Source
http://www.spacious-mind.com/html/commodore_c64tpc.html
Links to other emulations:
Cesar,
Chess 7.5,
Colossus 4,
Cyrus II,
Hypra chess,
Master chess,
Mychess,
Petchess,
Sargon 2,
Schach 64,
Superchess.
Some fun: Display memory or do not.