An understanding of Hedgehog structures is an essential component in any chessplayer's knowledge. These structures arise when the black c-pawn is exchanged early on for the white d-pawn (as in the Sicilian Defence).
Sergey Kasparov was born in 1968 in the city of Baku. Since the age of seven, he has been engaged in chess section in the Palace of Pioneers - the same place where namesake and world champion Garry Kasparov was also taught. He has taken first place in numerous international tournaments and acquired the grandmaster title in 2007. He is now a leading on-line chess coach.
