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'''Ultra Chess''',<br/>
a chess program by [[Chris A. Thornton]] for the [https://en.wikipedia.org/wiki/MSX MSX] [[Z80]] based home computer architecture.
Ultra Chess was released in 1985 by [https://en.wikipedia.org/wiki/Aackosoft Aackosoft]. The chess program was a re-release of Thornton's [[Spectrum Chess]].
