King's Indian Defense: Sämisch Variation, Orthodox Variation

A dynamic and aggressive chess opening, this variation is characterized by a pawn structure that aims to control the center and create counterplay on the kingside.

The variation is a popular and aggressive opening that has been played by many top-level players, including former World Champions Garry Kasparov and Anatoly Karpov. This opening is characterized by a pawn structure that aims to control the center and create counterplay on the kingside. White's pawn on f3 supports the center and prepares for a potential kingside pawn storm, while Black's pawn on e5 challenges White's central pawn duo.

In this variation, White typically develops their pieces to natural squares, such as the knight on c3 and the bishop on e3. Black, on the other hand, fianchettoes their dark-squared bishop on g7 and castles kingside. The opening often leads to sharp and double-edged positions, with both sides having chances for an attack.

One of the main ideas for Black in this opening is to play for a pawn break with either f5 or c5, depending on the position. White, in turn, can choose between various plans, such as expanding on the queenside with b4 and c5, or launching a kingside attack with g4 and h4.

The variation is a complex and rich opening that offers many opportunities for both sides to outplay their opponent. It is an excellent choice for players who enjoy dynamic and aggressive chess, and who are not afraid to enter sharp and double-edged positions.