The author, Danish GM renowned for his deep opening preparation, offers a repertoire for Black against 1.d4 based on the Semi-Slav. After initial moves 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 is material sorted intop several chapters, always 40-60 pages long. Examined are: the sharp Botvinnik variation 5.Bg5 dxc4 6.e4 b5; the next two chapters give an alternative for Black in the 5th move: Moscow 5.Bg5 h6 6.Bxf6 and Anti-Moscow 5.Bg5 h6 6.Bh4. The fourth and fifth chapter deal with the Meran 5.e3 Nbd7 6.Bd3 dxc4 and Anti-Meran 5.e3 Nbd7 6.Qc2. The minor lines like 5.g3 or 4.cxd5 are presented in the last chapter. Series Edice Grandmaster Repertoire 20. Further information about the book is available at qualitychess.co.uk