Duffy, with a chess engine by David Kittinger, loosely based on M圜hess II published by the same vendor since 1984.
Chessmaster XI - House of Staunton chess sets, 3D Graphics Board Chess Engines M圜hess IIĬhessmaster was first released as Chessmaster 2000 in 1986 by Software Toolworks, Inc., a software and computer game publisher located in Los Angeles, co-developed by its founder Walt Bilofsky and Michael E.
