Queen's Gambit Declined: Orthodox Defense, Classical Variation (variation 2)

This chess opening is a solid defense where Black aims to control the center and develop their pieces efficiently.

In this variation, Black opts for a solid pawn structure and aims to counter White's central pawn majority by exchanging pieces and simplifying the position. By playing e6 and Nf6 early on, Black prepares to challenge White's center and develop their pieces harmoniously. The move c6 prepares to support the d5 pawn and allows the light-squared bishop to be developed to a more active square. The exchange on c4 helps Black to alleviate the pressure on their position and opens up the c-file for potential counterplay. The move e5 aims to open up lines for Black's pieces and gain more space in the center. The move Qb1 is a typical maneuver in this variation, aiming to put pressure on the b7 pawn and potentially target the weakened queenside. Overall, this variation leads to a solid and strategic game for both sides, with chances for both players to outplay their opponent in the middlegame.