Simplify the following text for a Grade 9 native English-speaking person.
Original: Chessmaster aka ( CM ) is the first major gaming program made by Ubisoft . Chessmaster is stronger than most programs , although some high quality programs regularly beat Chessmaster 10th edition , the latest version of Chessmaster series .
Simplified: The Chessmaster series started in 1986 with The Chessmaster 2000 by The Software Toolworks .