Prep Nimzo B43

B43 Nimzo tabiya

Bogo Prep 2021

 Bogo Prep 

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8.

Be2 d6 9. O-O Nbd7 10. b4 Ne4 11. Qc2 f5

12. Bb2 Rf6

Here White has already set-up the bishop on b2.

13. d5 Rh6

quite important the rook goes to h6 in this variation. if we copy the idea from E32 Grischuk we get this

13..Rg6 14 Nd4 Qg5 15 g3 Ne5 and here the move 15 Nxe6 is good for white (Position below) as White can play Bxe5! because of the up tempo with Bb2 played. 

14. g3 c5

15.bxc5 Ndxc5 16. Rad1 Qe8!

and 17Nh4 Rxh4! exchange sac to attack with Black

b6,Ne4 Prep Nimzo Indian- Socko-Bologan 2011

 E32

[Event "FIDE World Cup"][Site "Khanty-Mansiysk"][Date "2011.08.28"][Round "1.1"]

[White "Socko, Bartosz"]

[Black "Bologan, Viktor"]

[Result "0-1"][ECO "E32"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Nf3 Bb7 8.

e3 d6 9. Be2 Nbd7 10. O-O Ne4 11. Qc2 f5

12. b4 Rf6

Note the bishop is on c1

13. d5 Rg6 

Here the variation 14 Nd4 Qg5 15 g3 Ne5! leads to this position

(please note that 15..ed5 16ed5 Bd5 17 Bc4! led to White winning Kramnik-Polgar 2005) This exchange sac was played by Grishuk on 16 Nxe6 Rxe6! 17 de6 Qg6 with attack !

14. Bb2 c5  (another idea would be 14..e5)

15.Rad1 exd5 16. cxd5 Rc8

 17. Qb3 a6 18. Nd2 Nxd2 19. Rxd2 b5 20. Qd3 c4 21. Qd4 Nf6 22. Bf3 Qd7 23. Rc1 Re8 24. g3 Rh6 25. Bg2 Ne4 26. Rdd1 Qf7 27. a4 Re7 !

this moves protects g7 and b7, so the black queen can join the attack on h5.

Black has put a knight on e4 again ( the first one got exchanged on d2 with white's knight).

28.axb5 axb5 29. f3? Qh5!

With a winning attack sacrificing the knight on e4

30. fxe4 Qxh2+ 31. Kf2 fxe4 32. Rc2 Rf7+ 33. Ke1 Qxg3+ 34.

Kd2 Rf2+ 35. Kc1 Rxc2+ 36. Kxc2 Qxg2+ 37. Rd2 Qg4 38. Rf2 Rh1 39. Qd2 Qg1 40.

Bxg7 Qb1+ 41. Kc3 Rc1+ 42. Kd4 Rd1 0-1

Nimzo Qc2

Black opening repertoire: Stockfish13 plays the Nimzo

stockfish13

Qc2 Nc6 in the Nimzo Indian: key themes

 

 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6

5Nf3 d6  (5e3 0-0 6Nge2 d6)

Keep in mind that if White tries here 6 Bg5 h6! is a very good reply as per below

White cannot play 7 Bh4 as g5-g4 wins d4. That's an important trap to be aware of.

Therefore the main line goes like this 6Bd2

6 Bd2 O-O 7. a3 Bxc3 8.Bxc3 Qe7

Here White has a few options to proceed:

9. e3 a5 (and Black will play e7-e5 next, and sometimes gets to play a5-a4 as well) 

or 9.b4 e5 10. d5 Nb8 11e4 Nh5

It is very important in this variation Nc6 when White closes d4-d5 to move the Nf6 to allow for f7-f5 counterplay: Closed center, play is on the wings !!

same idea on 9. e4 e5 10. d5 Nb8 11. Be2 Nh5 with idea f7-f5

9 g3 e5 10. d5 Nb8 11 Bg2 Ne8! with idea f7-f5

_______________________________________________________________________

6 a3 this is another line instead of 6 Bd2 

6.a3  6... Bxc3+ 7. Qxc3 a5 (to spot the expansion b2-b4)

8. b3 8... O-O 9. Bb2  9... Re8 

Here White has to decide how to develop Bf1.

PART I Lets see lines where bishop goes to e2 first.

10 0-0-0!? e5 11dxe5 Ne4 12 Qe3 Nc5 with Black's chances to attack the white king

10 Rd1 Qe7 11 e3 e5 12 Be2 Bg4 

Here we are following Miton,K-Perelshteyn,E 2007. 13.d5 Nb8 14Qc2 Nbd7 15 h3 Bh5 where Black played g6,Nh5-f4 and h7-h5 and h5-h4

 

 10 e3 e5 11 d5 (11de5 de5 12Rd1 Qe7 13 Be2 Bg4 14.0-0.Bh5 15 Qc2 Bg6=) Ne7 12 Nd2 c6

 (underming the center) 13 e4 b5! (striking through) 14dxc6 Nc6 15cb5 Nd4

PART II White plays g3 with idea to form a double fianchetto set-up

10.g3 e5

White has decide either to push d4-d5 or take on e5.

11d5 Nb8! 12Bg2 c6! (undermining center) 13dc6 Nc6 14 0-0 Bf5=. Black is ok here

 11de5 de5 12Bg2 

Here Black can play 12..Bg4!? with the idea take on f3 and play Nd4 next.

or Black can play 12..Qe7 and 13..Bf5 with an equal position.

Hikaru Nakamura win in the Saemisch Variation NimzoIndian Defense with Black

NimzoIndian Saemisch analysis with b6,Ba6,Na5 lines

NimzoIndian 5Nge2 Ba6!? lines

 

Main line with b3,Be2 and a4

8Qf3 sideline

8cd5 Kf1 line

NimzoIndian 4f3 d5 repertoire for Black

NimzoIndian 4e3 5Nge2 , model game with 5..Ne4!?

Nimzo Indian 4 f3, the Bc5 Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 8. d5 Bc5 

 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. Bd3 

Chessbase Replay Link with PGN

incredible win in Nimzo by Hikaru Nakamura against Magnus Carlsen

Armageddon game today. Hikaru must draw, Magnus must win for day 5.

 official site: http://www.chess24.com 

  1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8!

a very important move to prepare f7-f5 and the knight will go back to f6 or d6. Black wants to play Ba6 pressuring c5. Magnus had played this against Giri and Anand in the last months so Hikaru was prepared.

  

  10. O-O Ba6 11. f4 f5! 

White to play

 

The game continued and Hikaru increased his advantage with Black. After his move 30..Nd2! we reached the following 

White to play

If white takes the knight 31 Nxd2 31..Qe3+ wins it back with attack against the king. Magnus pieces ( queen and rook) are too far to defend the lone white king. Magnus played 31 Rd8 but the following occured:31. Rd8 Nxf1 32. Qxf1 Qe3+ 33. Kh2 Re4

www.chess24.com for full coverage 

Amber 2009 opening ideas

Interesting opening ideas in Amber 2009


Rapid tournament:

Aronian-Leko (2) West-Indian
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 c5 7. d5 !?
Also played in Topalov-Anand Bilbao 2008 and Nielsen-Heinemann 2008.

Carlsen-Ivanchuk (2) E32 Nimzo Qc2
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bd2 a5 !?

Leko-Morozevich (7) Caro-Kan
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e5 !?

Kramnik-Anand (8) E32 Nimzo Qc2
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 !? 7. cxd5 Ne4 !?
Other moves for White would be 7.Bg5 or 7.Nf3 where Black can try 7..dc4 8 Qc4 b6 !? with idea ..Ba6 just like in Morozevich-Topalov (blindfold round 4)

Blind Tournament:

Kramnik-Morozevich (1) Gruenfeld
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 dxc4 8.Bxc4 O-O 9. Nf3 Qxc5 10. Bb3 Nc6 11. O-O Qa5 12. h3 Bf5 13. Ng5 !?

Morozevich-Wang (2) Petroff
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be78. Re1 Bg4 9. c3 f5 10. Qb3 O-O 11. Nbd2 Na5 12. Qc2 Nc6 13. b4 !?

Leko-Kamsky (5) Double fianchetto-Hedgehog for Black.
1. e4 g6 2. d4 Bg7 3. Nf3 b6 !? 4. Bd3 Bb7 5. O-O d6 6. c3 e6 !? 7. Re1 Ne7 8.Nbd2 Nd7 9. Nf1 a6

Anand-Radjabov (6) Sicilian Rossolimo
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 b6 7. O-O e5 8.a3 !?

Anand-Kramnik (8) Petroff
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 !? Nd7 6. Nxd7 Bxd7 7. O-OBd6 8. c4 c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 O-O 12. Qh5 !?
Also 5 de5 is a valid alternative in the Petroff