Chessbase Fritz Trainer Monster
MONSTER vol. 2: The Art of Defense – it is the most universally useful for club players (1200–2000).
The newest "Monster" trainers take advantage of the Fritz 19 engine. This means you can practice the positions you just learned against an engine that is "tuned" to play like a human. You can tell the software to play a specific sub-variation so you can test your memory and tactical alertness in a low-stakes environment before your next tournament. Who is this for? ChessBase Fritz Trainer MONSTER
Keep in mind that these papers might not specifically focus on the MONSTER version of the ChessBase Fritz Trainer. However, they may provide insights into the general effectiveness of chess training software and its impact on improving chess skills. MONSTER vol