MChess Professional is a chess program developed by Martin Hirsch that gained prominence in the early 1990s. Designed for MS-DOS systems, it was renowned for its sophisticated artificial intelligence and -friendly interface.
MChess Professional (DOS)
The program aimed to emulate human-like play by incorporating complex pattern recognition and a strong emphasis on positional understanding.
In of competitive achievements, MChess Professional secured the title of World Microcomputer Chess Champion in 1995 during the 13th World Microcomputer Chess Championship held in Paderborn, . Earlier, it had notable performances, including being the best computer at the Aegon 1991 tournament and achieving second place in the ACM tournament the same year. These accomplishments underscored its status as one of the leading chess programs of its time.
The program's playing style was particularly dynamic, focusing on long-range tactical detection and comprehensive positional evaluations. It was known for its exciting gameplay and excellent results against strong human opponents, even defeating three grandmasters in a single event at Aegon 1995. Such feats highlighted its advanced algorithms and deep understanding of chess strategies.
Despite its early successes, MChess Professional's development ceased towards the late 1990s as newer programs emerged with superior processing capabilities and more advanced algorithms. Enthusiasts from that era fondly recall their experiences with the program, noting its challenging gameplay and the nostalgia it evokes. Today, MChess Professional holds a place of historical significance in the evolution of computer chess, representing a pivotal step in the journey toward more advanced chess engines.
This version of MChess Professional was designed for personal computers with operating system MS-DOS (Microsoft Disk Operating System), which was operating system developed by Microsoft in 1981. It was the most widely-used operating system in the first half of the 1990s. MS-DOS was supplied with most of the IBM computers that purchased a license from Microsoft. After 1995, it was pushed out by a graphically more advanced system - Windows and its development was ceased in 2000. At the time of its greatest fame, several thousand games designed specifically for computers with this system were created. Today, its development is no longer continue and for emulation the free DOSBox emulator is most often used. More information about MS-DOS operating system can be found here.
Available online emulators:
5 different online emulators are available for MChess Professional. These emulators differ not only in the technology they use to emulate old games, but also in of various game controllers, multiplayer mode, mobile phone touchscreen, emulation speed, absence or presence of embedded ads and in many other parameters. For maximum gaming enjoyment, it's important to choose the right emulator, because on each PC and in different Internet browsers, the individual emulators behave differently. The basic features of each emulator available for this game MChess Professional are summarized in the following table:
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This version of MChess Professional was designed for personal computers with operating system MS-DOS (Microsoft Disk Operating System), which was operating system developed by Microsoft in 1981. It was the most widely-used operating system in the first half of the 1990s. MS-DOS was supplied with most of the IBM computers that purchased a license from Microsoft. After 1995, it was pushed out by a graphically more advanced system - Windows and its development was ceased in 2000. At the time of its greatest fame, several thousand games designed specifically for computers with this system were created. Today, its development is no longer continue and for emulation the free DOSBox emulator is most often used. More information about MS-DOS operating system can be found 
