Chess opening ECO E57-next post-theory-games-videos

E57 Nimzo-Indian, 4.e3, Main line with 8...dxc4 and 9...Bxc4 cxd4: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-ONc6 8. a3 dxc4 9. Bxc4 cxd4

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