The Winning Academy 31: Nimzo is a Killer Weapon!

by Jan Markos
4/9/2024 – In the present world, good marketing is everything. Surprisingly enough, this applies also to chess openings. For example, the Kings Indian Defence has got a phantastic PR among club players. It is considered to be fun to play, and a good weapon when it comes to playing for a win. On the contrary, the Nimzo Indian Defence is perceived as dull and drawish. The result is that after 1.d4 Nf6 2.c4, club players (rated around 1800) play 2…g6 more often than 2…e6. Interestingly, with the GMs the ratio is considerably different. Players rated 2500+ play 2…e6 three times as often than 2…g6. But why? | Photo: Aron Nimzowitsch, name-giver of the Nimzo Indian Defence (Photo: L'Echiquier 1931)

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Well, GMs know that the Nimzo is neither dull, nor drawish. In fact, it is an active weapon, often as poisonous as the Kings Indian Defence. In addition, it is positionally much sounder.

Does this sound strange to you? Please, let me persuade you. Let us have a look at one of the main lines of the Nimzo:

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 0-0 5.a3 Bxc3+ 6.Qxc3

In the diagrammed position, White has the bishop-pair and the centre. But what does Black have as a compensation? Well, Black is much more developed. He has already castled. And he is to move. Also, White's queen is rather vulnerable, and might be a source of tempi for the attacking black army.

Therefore, it is no surprise that along with "normal" moves like 6…b6, 6…d6 or 6…d5, Black can also play the sacrificial 6…b5!?, trying to open the position as quickly as possible.  

That exactly was the choice of Onischuk in our first example. After White's 16th move, this position appeared on the board.

Sarkar-Onischuk, Washington Open 2012, Black to move:

White is behind in development. He needs two tempi to get his king into safety. However, he will not get them. Although the position seems to be rather closed, Onischuk shows convincingly that he can open it any time he wishes.

Black played 15...Ndxe5! 16.dxe5 d4!, forking two minor pieces. After 17.Bxd4 Rfd8 White loses material because of the pin along the d-file. Therefore, Sarkar played 17.b4 Qc7 19.f4? (Better is 18.Bg1), but was lost after 18…dxe3 anyway.

Here's the complete game:

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1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 0-0 5.a3 Bxc3+ 6.Qxc3 b5 7.cxb5 c6 8.f3 cxb5 9.e4 Ba6 10.Be3 Nc6 11.Ne2 Rc8 12.Qd3 Qa5+ 13.Nc3 d5 14.e5 Nd7 15.Ra2 Ndxe5 16.dxe5 d4 17.b4 Qc7 18.f4 dxe3 19.Ne4 Ne7 20.Nc5 Nd5 21.Rc2 Rfd8 22.Qe4 Bb7 23.Bd3 g6 24.Nxe6 Nc3 25.Nxc7 Nxe4 26.Bxb5 Rd2 27.Rc4 Nf2 28.0-0 Ng4 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Sarkar,J2396Onischuk,A26660–12012E32Washington op 1st5

***

Believe it or not, the next diagrammed position is a theoretical one. These wild complications may arise in the 4.Qc2 d5 line, (for the exact variation, please check the game below).

Braun-Lagno, Pulvermuehle 2006, Black to move:

It is not common to see so many misplaced pieces. White's king, Black's queen and knight. In this sharp line, exact calculation is a must, as both kings can get under an attack soon.

Lagno found a splendid queen's maneuver:

18...Qd2!? 19.Qb1 (19.Bxa1 Qc1 and Black consumes one of the bishops.) Qc2! 20.Qa2 (Being an exchange down, White should not trade queens.) Qf5 21.Qxa1?

An inconspicuous mistake, leaving the c4-bishop unattended. White should have played 21.Bxa1. Now Katheryna Lagno will show what a splendid tactician she is:

Black played 21...exd4! and it transpired that White cannot retake. After 22.exd4 Black mates: 22…Qg4+ 23.Kh2 Qf4+ 24.g3 Qxf2 and mate. After 22.Bxd4 Black continues aggressively with 22…c5! and White loses material, E.g. 23.Bc3 Qg4+ 24.Kh2 Qxc4 -+.

Braun played 22.Nf3, but to no avail. Black convincingly converted her advantage.

Here's the complete game:

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1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 Nc6 8.e3 e5 9.cxd5 Qxd5 10.Bc4 Qa5+ 11.b4 Nxb4 12.Qxe4 Nc2+ 13.Ke2 Qe1+ 14.Kf3 Nxa1 15.Bb2 0-0 16.Kg3 h6 17.h4 Re8 18.h5 Qd2 19.Qb1 Qc2 20.Qa2 Qf5 21.Qxa1 exd4 22.Nf3 Qg4+ 23.Kh2 dxe3 24.fxe3 Qxc4 25.Bxg7 Qe6 26.Bh8 Qd6+ 27.Kg1 f6 28.Bxf6 Rxe3 29.Kf2 Rxa3 30.Qb2 Qb6+ 31.Qxb6 axb6 32.Re1 Ra2+ 33.Kg3 Kf7 34.Bd8 Be6 35.Ne5+ Kg7 36.Bxc7 Bd5 37.Nf3 Kf6 38.Bxb6 Rg8+ 39.Kf4 Bxf3 40.Bd4+ Kf7 41.gxf3 Ra4 42.Re4 Rg5 43.Ke3 Rxh5 44.Rf4+ Ke6 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Braun,A2491Lagno,K25000–12006E37Pulvermuehle 6th8

***

Anatoly Karpov is well-known for his positional mastery. However, even for him the Nimzo often was a dynamic, active weapon. Let us have a look at his encounter with Joel Lautier in Linares 1995.

Lautier-Karpov, Linares 1995, Black to move:

Black seems to be in a deep trouble. His c7-rook is attacked and has difficulty to find a safe haven. It is possible that Lautier hoped Karpov would play 17...Rc6??, and had prepared 18.Bb5 Rc8 19.c6! Bxc6 20.Ba6 Ra8 21.Rc1, trapping the c6-bishop in a very original manner.

However, Karpov is far too strong to be so naïve. He was aware that White is behind in development, and therefore played 17...bxc5!. After the natural 18.Bxc7 Qxc7 White played 19.Qc3 and got punched again by 19…e5!.

Does this position look like dull and boring? Not at all! Well, the Nimzo simply isn't a dull and boring opening.

Here's the complete game:

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1.d4 Konikowski Ftacnik Notkin Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 0-0 5.a3 Bxc3+ 6.Qxc3 b6 7.Bg5 Bb7 8.e3 d6 9.f3 Nbd7 10.Bd3 c5 11.Ne2 Rc8 12.Qb3?! 12.Qd2 12.b4 12...h6 12...cxd4 Notkin 13.exd4 e5 14.Bf5 Rc7 15.Qb4! h6 16.Bh4 d5 17.cxd5 Bxd5 18.0-0 Ftacnik exd4 19.Nxd4 Rc4 20.Qd2 Nc5 21.Rad1 Nb3 22.Qf2 Nxd4 23.Rxd4 Rxd4 24.Qxd4 Drasko,M-Tozer,R/Budapest Spring op (2)/1990/1-0 (52) 13.Bh4 cxd4 13...d5 14.cxd5 Bxd5 15.Qd1 15.Qa4 cxd4 15...Bc6 Ftacnik 16.Qd1 b5 17.0-0 Qb6 18.Rc1 Bb7 19.Bb1 cxd4 20.Qxd4 Qxd4 21.Nxd4 a6 Hoffmann,M-De Firmian,N/Biel op (08)/1994/0.5 (22) 16.exd4 Bc6= 16...Bc6 Notkin 17.Qd1 b5 17...Qc7 18.0-0 Qb7 19.Re1 Nd5= Agdestein,S-Hjartarson,J/Groningen/1993/0,5/73/ 18.0-0 Qb6 19.Bf2 Qb7 20.Ng3 Nb6= Sokolov,I-Adams,M/Preston/1989/0,5/27/ 15...cxd4 16.Nxd4 Bc4 17.0-0 a6?! 17...Qe7!? Sokolov,I/ 18.Rc1 b5?! 19.Bxc4 Rxc4 20.Rxc4 bxc4 21.Qa4± Sokolov,I-Georgiev,Ki/Burgas 1992 14.exd4 d5 15.c5? N 15.0-0! dxc4 15...Ba6 16.cxd5 Bxd3 17.Qxd3 exd5 18.Nc3 15...dxc4!? 16.Bxc4 Qc7 17.Rac1 Qb8 18.Bg3 Qa8 19.Nc3∞ 16.Bxc4 Nb8 16...a6 Notkin 17.a4 Qe7 18.Rac1 Bd5 19.Bxd5 exd5 20.Qd3 Abramov,S-Appolonov,S/Podolsk/1993/0,5/43/ 16...g5!? 5 Sakaev/ 17.Qd3 Bd5? 18.Bxd5 Qxd5 19.Bxf6 gxf6 20.Nc3 Qc4 21.Qe3 Kg7 22.Rad1± Polgar,Zs-Ioseliani,N/Monaco (m/3) 1993 15.cxd5 Ftacnik Bxd5 15...Ba8 15...e5?! Notkin 16.cxb6 16.Ba6 Rc7 17.Bg3 17.cxb6 Rc6! 17...Nxb6 Notkin 18.Bg3 Rc6 18...Re7∞ 19.Bb5 Rc8= 19...Rc8 Konikowski 20.Ba6= 17...axb6 Ftacnik 18.Bg3 Ra7 19.Bb5 17...bxc5! 17...Rc6 18.Bb5 Rc8 19.Ba6 19.c6 Bxc6 20.Ba6 Ra8 21.Rc1 18.Bxc7 Qxc7 19.Qc3 19.0-0? Rb8 19...c4 Notkin 20.Qa4 Bc6 21.Bb5 Bxb5 22.Qxb5 Rb8 23.Qa4 Rxb2 5 20.Qc3 Qb6 19.Bb5?! Notkin Qa5+ 19.dxc5? Ftacnik Qa5+-+ 19...e5 20.Bd3 20.dxe5? d4 20...Nxe5 Ftacnik 21.0-0 Re8 21.Qd2 21.Nxd4? Nd5-+ 21...Nxe5 22.0-0 Qb6 22...Qb6 Konikowski 23.f4 Ne4 24.Qd1 d3 25.fxe5 c4+ 26.Kh1 dxe2 27.Qxe2 Qxa6-+ 20.dxc5 d4 21.Qd2 21.Qc4 Ftacnik Bd5 22.Qa4 Nxc5 23.Rc1 Qb6 21...Nxc5 22.Rc1 Qb6 23.Bc4 Nd5 23...Nb3!? 24.Bxb3 Qxb3 25.0-0 Nd5 23...Rd8 Notkin 23...d3 Konikowski 24.b4 24.Ng3!? 24...Nce4! 25.fxe4 Nxe4 26.Qxd3 Qf2+ 27.Kd1 Qxg2 28.Bxf7+ Kh8 29.Kc2 Ng3! 30.hxg3 Be4 31.Bh5 Bxd3+ 32.Kxd3 g6 33.Bg4 33.Bxg6 Qf3+-+ 33...h5 Gavrikov 23...Rd8!? 24.b4 Ne6 25.Bxd5 Bxd5 26.0-0? d3+ 27.Rf2 dxe2 28.Qxd5 Rd8-+ 20.0-0 Notkin exd4 21.Nxd4 Qb6-+ 20...exd4 21.Nxd4 Re8+ 22.Kf1 22.Ne2? d4 23.Qd2 c4 23...Ne5 Notkin 24.0-0 c4 24.Rc1 Ne5-+ 22...Qb6 23.Nf5 d4 24.Qd2 Ne5 25.Re1 Re6! d3 25...Nxd3? 26.Rxe8+ Nxe8 27.Qxd3 Qxb2 28.Qe2∞ 25...c4 26.Bc2 d3 27.Ba4 Re6 28.Qb4∞ 26.Bb1 26.Be4 Ftacnik Nxe4 27.fxe4 Nc4 28.Qc2 Nxb2 29.Nxd4 cxd4 30.Qc8+ Kh7 31.Qxa8 Rf6+-+ 26.Be2 Ftacnik Bb7 27.Rd1 d3!-+ 26.Kf2? Konikowski Qxb2! 27.Qxb2 Nxd3+-+ 26...Bb7 26...Nc4 27.Qc1 Rxe1+ 28.Kxe1 Qxb2 28...Nxb2 29.Nxd4 29.Qxb2 Nxb2 30.Ba2 27.Kf2 27.Ba2 Notkin Ba6+ 28.Kg1 c4 29.Nxd4 29.Qxd4 Nxf3+ 30.gxf3 Rxe1+ 31.Kg2 Re2+-+ 29...Rd6 29...Nc6 Ftacnik 30.Rxe6 fxe6-+ 30.Rxe5 Rxd4 31.Qe3 Rd1+-+ 27.Ba2 Konikowski 27...d3 28.Rhf1 28.h3 Notkin c4+ 29.Ne3 Nd5 30.Kg3 Qd6 28.Kf1 Ftacnik c4 29.Ba2 Bxf3 30.gxf3 Nxf3-+ 28...c4+ 29.Kg3 29.Ne3? Neg4+ 30.fxg4 Nxg4+-+ 30...Nxg4+! Notkin 31.Kg1 Nxe3 32.Rf2 Ng4-+ 30...Ne4+-+ Ftacnik 29.Re3 Ftacnik Neg4+-+ 29...Nh5+ 30.Kh3 30.Kh4 Ftacnik Qd8+ 31.Kxh5 g6+ 32.Kxh6 Qf6! 33.Ne7+ 33.Rxe5 Konikowski gxf5+ 34.Kh5 Qh8+ 35.Kg5 Qxe5 36.Kh4 Qxh2+ 37.Kg5 Rg6+ 38.Kxf5 Qh5+ 39.Kf4 Qg5# 33...Rxe7 34.g3 g5+ 35.Kh5 Qg6# 30...Ng6! 31.g3 31.Rxe6 Ftacnik Qxe6 32.Qa5 Ngf4+ 33.Kh4 Qf6+ 34.Kg4 Qg5# 31...Bc8 32.Re4 32.Kg2 Ftacnik Rxe1 33.Rxe1 Bxf5 34.g4 Nh4+-+ 32...Qc5 32...Re5!? 33.Rxe5 Nxe5 34.g4 Bxf5 35.gxf5 Qf6 33.g4 33.Rxe6 Ftacnik Qxf5+ 34.g4 Ngf4+ 35.Kh4 Qg5# 33...Ngf4+! 34.Rxf4 34.Kh4 Ftacnik g5# 34...Re2 35.Qc1 35.Rxc4 Ftacnik Qxc4 36.Bxd3 Qxd3 37.Qxd3 Nf4+ 38.Kg3 Nxd3-+ 35...Nxf4+ 36.Qxf4 Bxf5 37.gxf5 37.Qxf5 Notkin Qc7 38.f4 38.Rh1 Ftacnik Re5 39.Qf4 39.Bxd3 Konikowski Rxf5 40.Bxf5 Qb7 41.Be4 Qxb2 42.Rb1 Qe5 43.Rb7 a5-+ 39...Rh5+ 40.Kg3 Rh3+ 41.Kxh3 Qxf4-+ 38...Qc6-+ 38...Qb7-+ 37...Rxb2 38.Re1? 38.f6? Qh5+-+ 38.Qg4 Qe5 39.Rh1 Qe2 40.f6 g6-+ 3 38.Qe4 Notkin 38...Qf2 39.Qg3 39.Rd1 Ftacnik Qg2+ 40.Kh4 Qe2 41.Rg1 Qxh2+ 42.Qxh2 Rxh2+ 43.Kg3 Rd2 44.Rc1 Rb2 45.Kf4 d2 46.Rd1 c3-+ 39...Qxg3+ 40.hxg3 40.Kxg3 Konikowski Rxb1! 41.Rxb1 c3-+ 40...Rxb1! 40...Rxb1 41.Rxb1 c3-+ 41...c3 Ftacnik 42.Rb8+ Kh7 43.Rd8 c2-+ 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Lautier,J2655Karpov,A27800–11995E32Linares 13th8

***

Maybe I have inspired you to try a new opening, the Nimzo Indian Defence. In such a case you might pick a GM that you like and plays the opening as well and copy his responses to all the main lines. For example, you might pick Michael Adams, the winner of London Classic 2023.

Nimzo-Indian expert Michael Adams | Photo: Pascal Lautenschläger, Berlin 2021

This is a trick that makes your preparation in a new terrain easier. Firstly, you know that the lines you are playing are objectively OK. If they are good enough for Adams or another strong GM, they are surely good enough for you. And secondly, you will save time looking for all the answers for yourself.

So, try the Nimzo and have fun!

This DVD provides everything you need to know to be able to play one of the most classical openings with Black, the Nimzo-Indian, arising after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4. Nearly every World Championship and top tournament features the Nimzo-Indian.

Bologan's way to the Nimzo-Indian was very long and difficult, but now the Moldavian grandmaster recommends the Nimzo-Indian to players of all levels because it’s complex and simple at the same time.


Let us learn together how to find the best spot for the queen in the early middlegame, how to navigate this piece around the board, how to time the queen attack, how to decide whether to exchange it or not, and much more!

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Jan Markos is a Slovakian chess author, trainer, and grandmaster. His book Under the Surface was the English Chess Federation´s 2018 Book of the Year. His last book, The Secret Ingredient, co-authored with David Navara, focuses on the practical aspects of play, e.g. time-management over the board, how to prepare against a specific opponent, or how to use chess engines during the training process. Markos was the U16 European Champion twenty years ago. At present he helps his pupils from several countries to achieve similar successes. Apart from focusing on the royal game, he is also the author of several non-chess books, focused on critical thinking, moral dilemmas, and phenomenology.

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