Screenshot of The Chessmaster 3000 (Macintosh, 1991) - MobyGames

Five moves later. its checkmate!

Chessmaster - Chessprogramming wiki

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Chessmaster 6000 (1998) - MobyGames

The Chessmaster 4000 Turbo (1993) - MobyGames

Chessmaster 2000, The : Dro Soft : Free Download, Borrow, and Streaming : Internet Archive

Chessmaster (2003) - MobyGames

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100 More Worthwhile DOS Games #7: The Chessmaster 3000 (1991)

Chessmaster 3000 (Macintosh) - Higher Intellect Software Archive

Chessmaster 3000 - Macintosh Repository