A completely new development of the whole system was initiated in 1987, when Evgeny Sveshnikov, the godfather of the Sveshnikov Sicilian (4...Nf6 5.Nc3 e5), changed to 4...e5 and followed this with 5...d6, which is positionally more sound. The Kalashnikov system or the Neo-Sveshnikov was born. The main point behind Black’s idea is that he occupies the centre without any delay, with tempo. The main drawback - the weakening of the d5-square. Which factor should prevail?