[March 20, 2017] Updated Opening Line by Bojan Vučković:
Open Slav Defense, Carlsbad Variation

[Line 111 : 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7]

Line 111 covers one of the main variations of the Slav Defense. After almost the exclusive 8. g3 Black usually replies with the Carlsbad Variation (8… e5). The next couple of moves are fairly forced: 9. dxe5 Nxe5 10. Bf4, where the best option for Black is 10… Nfd7. In the position arising after 11. Bg2 there are two well-investigated continuations for Black: 11… g5 and 11… f6.

If Black opts for 11… g5, we recommend 12. Ne3 gxf4 13. Nxf5 O-O-O 14. Qc2 for advanced players, while 12. Bxe5 Nxe5 13. Qd4 and 12. Nxe5 gxf4 13. Nxd7 are somewhat less complicated lines, thus more suitable for club level players.

Move 11… f6 is considered to lead to positions that are more pleasant for White, for example: 12. O-O Nc5 13. Ne3 Bg6 14. b4 with the initiative.

[Diagram: White to Move] D. Fillon – T. Hagen, corr. 2010. There are many pieces aligned on the c-file, and it’s far from obvious how White can make use of the position of his Rook on c1 to make concrete threats to black King. How can White launch a very strong attack?

Click here to see the line in our viewer…

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