Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System position after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6. White: pawn on c4, pawn on a3, knight on c3, knight on f3, pawn on b2, queen on c2, pawn on e2, pawn on f2, pawn on g2, pawn on h2, rook on a1, bishop on c1, king on e1, bishop on f1, rook on h1. Black: rook on a8, knight on b8, bishop on c8, queen on d8, rook on f8, king on g8, pawn on a7, pawn on d7, pawn on f7, pawn on g7, pawn on h7, pawn on b6, pawn on e6, knight on f6, bishop on c5.
Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System is a chess opening that arises after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6. It is classified E39 in the ECO system, and the position after these moves has white to move. The Nimzo-Indian pins the c3 knight with the dark-squared bishop, fighting for the e4 square by controlling it rather than occupying it. It is widely regarded as one of the soundest and most respected answers to 1.d4, and remains a fixture at the highest level.
Strategic character
The central question is whether Black's willingness to trade the bishop for the knight — often doubling White's c-pawns — is worth the structural concession. Black gets long-term pressure on the light squares; White gets the bishop pair and a broad centre.
Who should play it
Players who understand structural imbalances and enjoy positions where a small permanent feature, like doubled pawns, defines the plan for both sides.
This line is a variation within the Nimzo-Indian Defense family. The strategic ideas above describe the family as a whole; this particular line reaches them by the move order 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6.
Frequently asked questions
What is the Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System?
The Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System is a chess opening that arises after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6. It is classified E39 in the ECO system. The Nimzo-Indian pins the c3 knight with the dark-squared bishop, fighting for the e4 square by controlling it rather than occupying it. It is widely regarded as one of the soundest and most respected answers to 1.d4, and remains a fixture at the highest level.
What are the moves of the Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System?
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6. After these moves it is white to move.
Is the Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System good for beginners?
Players who understand structural imbalances and enjoy positions where a small permanent feature, like doubled pawns, defines the plan for both sides.