nimzo.academy

Project approval after AI review on 6 November 2026. Human proofreading is still pending.

Aaron Nimzowitsch: looking at the board differently

A piece does not always have to capture something. Sometimes it helps you because it stops a pawn or disturbs your opponent’s plan. Aaron Nimzowitsch made ideas like these an important part of his chess teaching.

He played tournaments and wrote books. Here you can read a portrait: where he came from, how he played, what he wrote and his legacy. Afterwards you can look for a move yourself in one of his games. Our explanations are new texts by our editors, not sayings of Nimzowitsch.

Two places in his life: Nimzowitsch was born in Riga in 1886. From the 1920s he lived in Copenhagen, where he died in 1935.

Portrait: his life and his ideas

Our editors wrote this portrait from scratch. It sums up what reference works, player profiles, a specialist article and a Zurich chess club report about Nimzowitsch. Where the sources disagree, we say so. Each section names its sources.

A child from Riga

Aaron Nimzowitsch was born in Riga on 7 November 1886. By the calendar then used in Russia, it was 26 October. The city belonged to the Russian Empire; today it is the capital of Latvia. His family was Jewish and spoke German and Yiddish. His father was a timber merchant and taught his son chess as a child.

Little is known about his childhood. Even his name was written in different ways: Aron or Aaron, Niemzowitsch or Nimzowitsch, and in English books often Nimzovich. They all mean the same chess master. His gravestone says Aron.

From student to chess professional

In 1904, at the age of 17, Nimzowitsch went to Berlin to study philosophy. But he preferred to spend his time in the chess café rather than in the lecture hall. In the same year he decided to make his living from chess.

In 1906 he won his first international tournament, in Munich. In 1910 he finished third in Hamburg, ahead of well-known masters such as Siegbert Tarrasch. In 1914 he shared first place at the All-Russian Masters’ Tournament in St Petersburg with Alexander Alekhine, who later became world champion.

The First World War and the Russian Revolution interrupted his career. In 1917 he left the Baltic region and went first to Berlin. For some years he had no citizenship.

The dispute about the centre

Siegbert Tarrasch was then the best-known chess teacher in the German-speaking world. He taught: occupy the centre with pawns and gain space. Nimzowitsch asked back: do you have to occupy the centre, or is it enough to control the central squares with pieces? The dispute began in 1904 after a casual game in Nuremberg and dragged on for many years.

Both attacked each other sharply in magazines and game annotations. How far apart they really were on the substance is still disputed today. For you this means: a pawn centre is strong if you can hold it. Pieces that act on the centre from a distance are strong if they can attack the pawn centre. Together with Richard Réti and Gyula Breyer, Nimzowitsch belonged to the hypermodern school, which asked such questions afresh.

A new home in Copenhagen

In the early 1920s Nimzowitsch moved to Copenhagen; the sources give 1920 or 1922. He lived there until his death, modestly, in a rented room. He became a Danish citizen and won the Nordic Championship in 1924 and 1934.

In 1923 he won a tournament in Copenhagen by two clear points. His most famous game was also played there: against Friedrich Sämisch he played in such a way that in the end his opponent had no useful move left. The game is still called the “Immortal Zugzwang Game”.

He made a major contribution to chess in Denmark. The Danish national encyclopaedia describes his great importance for chess life there.

Three books and many new words

In 1925 The Blockade was published in Berlin. In the same year My System began to appear, first in separate instalments, complete by 1927. Both books were printed by the Berlin publisher Bernhard Kagan. In 1929 Chess Praxis followed, in which Nimzowitsch shows his ideas in his own games.

He coined his own words for his ideas: blockade, restraint, prophylaxis, overprotection. Many of them are used quite naturally by chess players today. In this course you get to know them in positions, not only as terms.

His books were translated into many languages. The German Mein System became My System in English and Mon système in French. The Blockade appeared in French in 2012 as Le blocage. He wrote his tournament book on Carlsbad 1929 in Russian.

The great years

Between 1925 and 1931 Nimzowitsch was one of the best players in the world. He won major tournaments in Marienbad, Dresden, Hanover, London, Berlin, Frankfurt and Winterthur. His greatest success was Carlsbad 1929: there he finished ahead of José Raúl Capablanca, Rudolf Spielmann and Akiba Rubinstein. At San Remo 1930 he came second behind Alekhine.

In Dresden 1926 he scored 8½ points from 9 games, one and a half points ahead of Alekhine. His game against Paul Johner from that tournament is regarded as a model game of the Nimzo-Indian Defence: it shows restraint, blockade and prophylaxis. For it he received the first brilliancy prize, 5000 cigarettes, although he did not smoke at all.

In the mid-1920s he wanted to challenge world champion Capablanca. But he found nobody to put up the money for such a match. In his whole life he never won a game against Capablanca. Retrospectively calculated rankings place him third in the world from 1927 to 1931, behind Alekhine and Capablanca.

What he was like

Nimzowitsch drank no alcohol and did not smoke. Even so, he was often ill. Contemporaries described him as headstrong and touchy. He often felt underrated and got into quarrels about it. Again and again he withdrew from tournament chess for a while.

Many stories are told about him. One of them: an opponent put a cigar on the table. Nimzowitsch complained that the opponent was threatening to smoke, and that the threat is stronger than the execution. The story is probably invented, and the saying about the threat is older than Nimzowitsch. When you read such anecdotes, always ask: who wrote this down, and how do they know?

In 1928 the Austrian master Hans Kmoch wrote a joke game against an invented opponent called Systemsson. It exaggerated Nimzowitsch’s favourite idea, overprotection. Nimzowitsch is said to have been amused by it.

Traces in Switzerland

Nimzowitsch also played in Switzerland. In 1931 he won the tournament in Winterthur. In 1934 he competed in Zurich; it was his last major tournament. He scored 9 points from 15 games and beat the former world champion Emanuel Lasker on the way.

In Zurich a chess club has carried his name since 1949. Inspired by its namesake, the Schachklub Nimzowitsch Zürich wanted to bring new ideas to Swiss chess. In the 1960s it won the Swiss team championship six times.

His legacy

Three openings carry his name: the Nimzo-Indian Defence, the Nimzowitsch Defence and the Nimzowitsch-Larsen Attack. The best known is the Nimzo-Indian Defence; Nimzowitsch himself played it in 28 tournament games.

His ideas shaped later masters. The future world champion Tigran Petrosian bought Chess Praxis when he was still a child. The book had a strong influence on him as a chess player. Bent Larsen and Viktor Korchnoi are also regarded as his heirs.

One number is often quoted: a historical Elo rating of 2780. Such numbers are calculated after the fact; in his day there was no Elo rating yet. But they show how strongly he played. Nimzowitsch never became world champion. Even so, many chess authors count him among the most important chess thinkers of all.

Milestones in his life

  1. 1886

    On 7 November Nimzowitsch is born in Riga. The city belongs to the Russian Empire and lies in Latvia today.

  2. 1904

    He goes to Berlin to study. Soon chess matters more to him than philosophy: he becomes a professional player.

  3. 1906

    In Munich he wins his first international tournament.

  4. 1914

    At the All-Russian Masters’ Tournament in St Petersburg he shares first place with Alexander Alekhine.

  5. Early 1920s

    He settles in Copenhagen and wins a tournament there in 1923. The Danish national encyclopaedia describes his great importance for chess life in Denmark.

  6. 1925 to 1927

    The Blockade is published, and My System appears in instalments. In it Nimzowitsch orders his ideas, from developing the pieces to planned play with pawns and strong squares.

  7. 1926

    He wins the tournament in Dresden with 8½ points from 9 games, one and a half points ahead of Alekhine.

  8. 1929

    He wins the tournament in Carlsbad ahead of José Raúl Capablanca. In the same year Chess Praxis is published. Books and tournament wins show two sides of the same work: explaining ideas and testing them at the board.

  9. 1931 and 1934

    He wins the tournament in Winterthur. Three years later he plays his last major tournament in Zurich and beats Emanuel Lasker there.

  10. 1935

    On 16 March Nimzowitsch dies in Copenhagen of pneumonia, aged 48. His texts remain a starting point for chess teaching. We must keep testing their claims in concrete positions.

Why his ideas invite you to think

A pawn in the middle takes up space. But a piece on the edge can also act on a square in the middle. Nimzowitsch was one of the representatives of the hypermodern school: they examined how to control the centre and how to attack an opponent’s pawn centre. That does not mean that pawns in the centre are bad.

His terms make plans vivid. A blockader stops a pawn. Prophylaxis means seeing an opponent’s plan in time and setting something against it. Such words only help once you can explain them in a position.

Even a strong teacher loses games. The lesson on overprotection shows an extract from Nimzowitsch’s defeat against Capablanca in New York 1927. An overprotected point alone does not decide a game. Also check where the pieces act and what the opponent is threatening.

When is overprotecting a point not enough?

Three books, many questions

My System

From the single move to the plan: development, files, passed pawns, pawn chains and the interplay of the pieces. The link opens the chapter on the centre and development (in German).

My System: I. Teil, 1. Kapitel - Zentrum und Entwicklung

The Blockade

How do you stop an enemy pawn before it becomes dangerous? Like My System, this book is a foundation of our course. The link leads to the first section (in German).

The Blockade: Abschnitt I

Chess Praxis

Nimzowitsch explains his ideas through games. A single position is enough to begin with. The link opens the section on restraint and blockade (in German).

Chess Praxis: 2. Hemmung und Blockade

Choose a short extract. The link takes you to the first decision point in the game. Think about the position, then explore the whole game if you wish.

  1. Bringing the pieces into play

    Against Alapin, St Petersburg 1914. Look for a move that makes several pieces work together. A good first extract after the castling rules.

    Nimzowitsch – Alapin, St Petersburg 1914

  2. Using the square in front of the pawn

    Against Salwe, Carlsbad 1911. Think about which piece can occupy an important square. The lesson on the blockade helps you with this extract.

    Nimzowitsch – Salwe, Carlsbad 1911

  3. Leading a knight to a good square

    Against Sämisch, Copenhagen 1923. Plan the route of a piece. The famous final position comes later; here you begin with a single decision.

    Sämisch – Nimzowitsch, Copenhagen 1923

  4. Holding a pawn in the middle

    Against Johner, Dresden 1926. Look for a suitable pawn move. Take your time over the opponent’s reply; this extract goes deeper.

    Johner – Nimzowitsch, Dresden 1926

  5. Getting ahead with tempo

    Nimzowitsch against Tarrasch, Breslau 1925. Here you take over Tarrasch’s black pieces. Combine the development of a piece with a threat and check how Nimzowitsch replies.

    Nimzowitsch – Tarrasch, Breslau 1925

Choose your next question

Our editors wrote these thinking questions. They are not quotations from Nimzowitsch.

Sources for this page

The biographical data are summed up from the sources named; all pages were read on 1 November 2026, the English Wikipedia also on 6 November 2026. Wikipedia articles may have changed since then. The sources date the move to Copenhagen to 1920 or 1922; they do not agree on the year he became a Danish citizen. The simple map shows two places in his life, not a travel route.

Two statements differ: the French Wikipedia dates Chess Praxis to 1926 in its text, but to 1929 in its list of books, like the other sources. The ChessBase article names 14 April 1924 in its first sentence, but appeared on 14 April 2026 as a look back over 100 years and describes the anniversary tournament of 1926; we follow the other sources with 1926.

Historical Elo ratings and world ranking places are later calculations. We give anecdotes only with their origin; there are no invented sayings here. We show no photo; the pictures on this page are our own graphics.

The book links lead to our own pages with the original texts, which exist in German only. Their origin and possible differences from printed editions are explained there. The five game extracts are a selection by our editors, not a ranking of his best games.

You do not have to finish reading this page before you practise chess. Choose a question or an extract. If you are missing a rule, you can return to the learning path at any time.