 It is possible to reach the Semi-Slav through many move orders.White player may start the game with either 1.d4, 1.Nf3 or even 1.c4, keeping the possibility of a Semi-Slav open.Black player can choose different combinations of d5, c6, e6 and Nf6 as well in order to avoid certain variations or to open up some new opportunities of his own.