Complete Black's repertoire after 1.e4 e5. Picture 2 shows content of the book. In the Ruy Lopez, Black analyzes the Open Spanish 4.Ba4 Nf6 5.0-0 Nxe4 and now after 6.d4 mainly 6..Be7 or also as an alternative 6..exd4. The sidelines of White in the 4th and a 5th moves are analyzed, too. In the Italian, author playes classical lines with d2-d3, as well as the sharp lines with c3 and d4 or 4.0-0 Nf6 5.d4 or Evans gambit 4.b4. In the Four Knights Game 3.Nc3 Nf6 4.Bb5 Nd4. In the Scotch 3.d4 exd4 4.Nxd4 Bc5.Yuriy Krykun, born 1998, is a young FIDE Master from Ukraine, at the time of the book publication he had a rating of around 2400. Further information about the book and a sample are available at thinkerspublishing.com.