Polish Opening: King's Indian Variation, Schiffler Attack

An offbeat chess opening, the Polish Opening: King's Indian Variation, Schiffler Attack is characterized by an early pawn push to b4 and a quick fianchetto of the light-squared bishop.

The opening is a rare and unorthodox choice for White, aiming to catch the opponent off guard and create an imbalanced position. White starts by pushing the pawn to b4, which is the hallmark of the Polish Opening. Black typically responds with Nf6, and White continues with Bb2, fianchettoing the light-squared bishop. Black then plays g6, signaling the King's Indian Defense setup.

The Schiffler Attack comes into play when White pushes the pawn to e4, grabbing central space and preparing to develop the other pieces. This move also allows White to potentially open the e-file for the queen and rook, increasing the pressure on Black's position.

The opening can lead to various pawn structures and middlegame plans, depending on how both players choose to develop their pieces. Black has several options to counter White's setup, including d6, Bg7, and O-O, which are typical moves in the King's Indian Defense.

While the Polish Opening: King's Indian Variation, Schiffler Attack is not considered a mainline opening, it can be an interesting weapon for players looking to surprise their opponents and explore less-trodden paths in the opening phase of the game.