Chessmaster is a chess-playing computer game series, which is owned and developed by Ubisoft. It is the best-selling chess franchise in history, with more than five million units sold . Timeline 1986: The Chessmaster 2000. First published by Software Country, and soon after by The Software Toolworks. It was published for Amiga, Apple II, Atari 8-bit, Atari ST, ZX Spectrum, Commodore 64, Amstrad CPC, MSX, Macintosh, and DOS. The game had a chess engine (without mouse control) written by David Kittinger and the manufacturer rated the game at 2000 Elo. USCF rated it over 2000; in reality, it is unknown at what strength it plays because the testings were done on slow 1980s computers. In July 1986, CM became the first commercially available software to win the Personal Computer class of the United States Open Computer Chess Championship in Mobile, Alabama. 1988: The Fidelity Chessmaster 2100 was published for Apple II/Apple IIGS and Commodore 64. In 1989 for DOS and in 1990 for Amiga. A version for the Sega Mega Drive was planned but never released. 1989: The Chessmaster was published for NES, in 1991 for Game Gear and Game Boy and in 1992 for SNES and Sega Genesis. 1991: The Chessmaster 3000 was published for DOS, Windows 3.x and Macintosh. Moves are now explained with voice output. 1993: The Chessmaster 4000 Turbo, first published by Mindscape for Windows 3.x and Macintosh. Modem and LAN play was available for the first time. 1995: The Chessmaster 4000 was published for Windows 95. 1995: Chessmaster 3D for PlayStation (had the Chessmaster 4000 engine). 1996: Chessmaster 5000 for Windows 95. 1997: Chessmaster 5500 for Windows 95. 1998: Chessmaster 6000 for Windows 95/Windows 98 and Macintosh. 1999: Chessmaster 7000 was published for Windows 98, named as Chessmaster II was published for PlayStation. 2000: Chessmaster 8000 was published for Windows 98. In addition to the English version, a Russian translation was created. 2002: Chessmaster 9000, first published by Ubisoft for Windows 98/ME/XP. In 2003 for PlayStation 2 and in 2004 for Mac OS X. Compared to the previous title, a French translation was added. 2004: Chessmaster, the mobile Java version was published, also for Android, BlackBerry and Windows Mobile. 2004: Chessmaster 10th Edition was published for Windows XP and Xbox. 2007: Chessmaster: Grandmaster Edition (also Chessmaster 11: Grandmaster Edition) was released on 30 October 2007 for Windows XP/Vista. A portable version for Nintendo DS and