NEW UPDATED OPENING LINE

[May 10, 2018] Updated Opening Line by Borki Predojević:
Queen’s Gambit Declined, Harrwitz Attack – Main Line with 8. a3

[Line 257 : 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3]

Line 257 deals with the main variation of the Harrwitz Attack with 6… c5. Black’s best reaction on 8th move is 8… Nc6, and here White has two interesting alternatives to the main 9. Qc2: one is 9. Rc1, often leading to sharp positions, and the other is, the not so ambitious, 9. Be2 dxc4 10. Bxc4.

Against 9. Qc2 Black has tried various moves. Carlsen tested 9… Re8 in his World Championship Match against Anand in 2014, where Anand showed an excellent preparation and made a pleasant opening advantage with 10. Bg5. From other possibilities, neither 9… Be7 nor 9… Bd7 seem to give Black adequate play.

The only Black’s 9th move that leads to balanced positions is 9… Qa5, and now White has a few moves of approximately same strength: 10. O-O-O, 10. Nd2 and 10. Rd1.

[Diagram: White to Move] After White moves the Bishop from c4, Black is counting on quick counterplay with b5-b4. How should White react and gain a decisive edge?

Click here to see the line in our viewer…

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