https://books.chessbase.com/en/opening-surprise-weapons/opening-surprise-weapons 2024-12-17 https://books.chessbase.com/en/opening-surprise-weapons/intro 2024-12-17 https://books.chessbase.com/en/opening-surprise-weapons/scandinavian-2nf6-for-black 2024-12-17 https://books.chessbase.com/en/opening-surprise-weapons/1d4-d5-2c4-e6-3nc3-h6-for-black 2024-12-17 https://books.chessbase.com/en/opening-surprise-weapons/scotch-gambit-for-white 2024-12-17 https://books.chessbase.com/en/opening-surprise-weapons/kings-indian-attack-for-white 2024-12-17 https://books.chessbase.com/en/opening-surprise-weapons/bonus-updated-database 2024-12-17