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E33

Old Zurich Variation, Nimzo-Indian

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3

Opening moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3. This position is classified under ECO code E33.

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Analyze

Draw an opening to step through its moves here.