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E20

Kmoch Variation, Nimzo-Indian

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3

Opening moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3. This position is classified under ECO code E20.

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