NEW UPDATED OPENING LINE
[August 08, 2018] Updated Opening Line by Dragan Barlov:
Queen’s Gambit Declined, Semi-Slav Defense – Stoltz Variation (Main Line with 9… a6)
[Line 284 : 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 a6]
Move 9… a6 leads to one of the critical lines of the Stoltz Variation of the Semi-Slav Defense. The idea is to protect the b5-square, planning the typical b7-b5, c6-c5 and Bb7.
The main choice of players of White is 10. Rd1, and after 10… b5 there are four responses deserving attention: 11. Be2, 11. Bd3, 11. Bf1 and even leaving the Bishop under attack with 11. e4!?, followed by e4-e5.
If White fights the abovementioned plan with 10. a4, Black gets a satisfactory position with 10… c5 11. dxc5 Bxc5, where he White can no longer carry out the common plan with a2-a3 and b2-b4.
Apart from the mentioned lines on the 10th move, White can also opt for 10. Bd2, 10. e4 or 10. a3, in any case with balanced positions rich with possibilities for both sides.
[Diagram: Black to Move] C. Teichmann – A. Kochemasov, corr. 2010. Black’s attack is obviously very dangerous, but can he finish off the opponent?
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