Tournament 2006 December Sicilian Defence, Scheveningen Variation / The Scheveningen gives Black a small defensive centre, but one which can be useful in preventing a White assault there while Black concentrates on the queenside. 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6