If you are serious about chess, you’ve likely encountered the FritzTrainer series from ChessBase
The modern Fritz Trainer is not a passive viewing experience. It integrates directly with the ChessBase software and offering several active learning tools: ChessBase Fritz Trainer MONSTER
BEWARE THE BEAST.
Leo stopped watching passively. He opened the inside ChessBase. The screen showed a position. A text box appeared: “Black just played …Kg8?? What’s the MONSTER pattern here?” Leo moved the pieces on the virtual board. If he made a wrong move, the engine showed a refutation. If he got it right, a short video clip of Gustafsson popped up, cheering: “YES. You just smelled blood.” If you are serious about chess, you’ve likely
: If using the ChessBase streaming service, you can download the entire trainer's repertoire as a PGN file to serve as the foundation of your paper. Recommended "Monster" Repertoires He opened the inside ChessBase