Did the two patches install? If so, your version should be version 1.02. (Go to the Help menu, then select "About Chessmaster: Grandmaster Edition".)
Chessmaster XI glitch
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If you need help, please contact our Help and Support team.
I got a copy of the chessmaster grandmaster edition. After playing a few games, I noticed a very annoying bug in the analysis mode. Pawns vanish whenever the are promoted to queens. It makes the game appear as if an invisible queen is moving around the board, both in 3D and 2D modes. Am I the only one who experience that?