Nimzo-Indian Defense: Normal Variation, Bernstein Defense position after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4. White: bishop on c4, pawn on d4, pawn on a3, pawn on c3, pawn on e3, knight on f3, pawn on f2, pawn on g2, pawn on h2, rook on a1, bishop on c1, queen on d1, rook on f1, king on g1. Black: rook on a8, bishop on c8, queen on d8, rook on f8, king on g8, pawn on a7, pawn on b7, pawn on f7, pawn on g7, pawn on h7, knight on c6, pawn on e6, knight on f6, pawn on c5.
Nimzo-Indian Defense: Normal Variation, Bernstein Defense is a chess opening that arises after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4. It is classified E59 in the ECO system, and the position after these moves has black 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.
This position can also be reached by another move order, including 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 dxc4 8.Bxc4 c5 9.Nf3 Nc6 10.O-O Qc7 11.Qc2.
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.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4.
Frequently asked questions
What is the Nimzo-Indian Defense: Normal Variation, Bernstein Defense?
The Nimzo-Indian Defense: Normal Variation, Bernstein Defense is a chess opening that arises after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4. It is classified E59 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: Normal Variation, Bernstein Defense?
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4. After these moves it is black to move.
Is the Nimzo-Indian Defense: Normal Variation, Bernstein Defense 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.