Aagaard, J. Basic Positional Ideas

Ashley, M. The Secret to Chess, How Grandmasters find amazing moves

Bangiev, A. Philidor Defence

Browne, W. Play the Sicilian! Volume 1 (Anti-Sicilian Systems)

Chess Assistant 12, starter package with Houdini 2

Chess Tutor Stap, Step, Stufe 1

Chess Tutor Stap, Step, Stufe 2

Chess Tutor Stap, Step, Stufe 3

Chessbase Chessbase magazine, #141-200

ChessBase ChessTiger 14.0

Chessbase Endgame Turbo 5, 2018, Six piece Syzygy Tablebase

Chessbase Fritz 11, Het ultieme schaakprogramma

Chessbase Fritz 11, The Ultimate chess game

Convekta Opening lab

dvds

Dzindzichashvili, R. Roman's Lab: mastering chess series, Volume 20

Edwards, J. ChessBase Complete, Chess in the digital age

Knaak, R. Trompovsky Attack

Martin, A. Queen's pawn Openings

Martin, A. The ABC of Modern Slav

Martin, A. The ABC of the Caro-Kann

Martin, A. The ABC of the Ruy Lopez

Martin, A. The Busy Man's Chess Openingsa, White Shockers

Martin, A. The Sicilian Kan