The start of Karsten Mueller's "Fundamental Endgame Knowledge" series, focusing on Rook vs. Pawn endgames.
11 articles covering various openings, such as the Scotch Gambit, Sicilian Paulsen, and the London System. CBM 211 Part03 rar
The file most likely refers to the third part of a multi-part compressed archive for ChessBase Magazine (CBM) #211 , which was released in January 2023 . Overview of CBM #211 such as the Scotch Gambit