Sicilian Defense: Scheveningen Variation, Delayed Keres Attack

A sharp and aggressive chess opening, it aims to create imbalances and tactical opportunities for both sides.

The opening is a popular and aggressive choice that has been played by many top-level players, including Garry Kasparov and Anatoly Karpov. This opening is characterized by an early pawn push to g4 by White, aiming to create attacking chances on the kingside. Black, on the other hand, focuses on counterplay in the center and on the queenside.

In this variation, White's pawn structure is more flexible than in other Sicilian lines, allowing for various pawn breaks and piece maneuvers. Black's pawn structure is solid, but somewhat passive, which can lead to a cramped position if not handled carefully. The opening often leads to sharp, tactical battles, with both sides trying to exploit weaknesses in the opponent's position.

One of the main ideas for White is to launch a pawn storm on the kingside, trying to open lines for an attack on the black king. Black, in turn, will often try to create counterplay in the center or on the queenside, using pawn breaks like d5 or b5. Proper timing and accurate calculation are crucial for both sides in this opening.

Overall, this opening is an exciting and challenging choice for players who enjoy sharp, tactical battles and are willing to take risks for the initiative.