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a chess program by [[Ulf Lorenz]]. [https://de.wikipedia.org/wiki/Cheiron Cheiron] is the German spelling of [https://en.wikipedia.org/wiki/Chiron Chiron], a [https://en.wikipedia.org/wiki/Centaur centaur] creature of the [https://en.wikipedia.org/wiki/Greek_mythology Greek mythology]. The program played the [[WCCC 1995|8th World Computer Chess Championship 1995]] in [https://en.wikipedia.org/wiki/Sha_Tin Shatin], [https://en.wikipedia.org/wiki/Hong_Kong Hong Kong] and the [[WMCCC 1995|13th World Microcomputer Chess Championship 1995]] in [https://en.wikipedia.org/wiki/Paderborn Paderborn], as well the [[IPCCC 1994]] and [[IPCCC 1997]], and the [[Aegon 1996]] and [[Aegon 1997]] man-machine tournaments.