For decades the rule was simple: occupy the center with pawns, then build around it. Every beginner was taught the four centre squares mattered more than anything else, and the greatest players of the closing 19th century — Wilhelm Steinitz and the textbook writer Siegbert Tarrasch — had turned that into a doctrine. To challenge it looked like heresy. Then, in the 1920s, a small band of European rebels argued the opposite: you did not have to occupy the center to control it. Pieces could do the work from a distance.
The rebels
The movement that came to be called the Hypermodern school peaked in the 1920s. Its leading voices were the Czech Richard Réti, the Latvian Aron Nimzowitsch, the Polish Savielly Tartakower, and the Hungarian Gyula Breyer. Their core idea was that a fixed pawn centre was less a fortress than a target — an object for the opponent to attack, blockade, and undermine. Better, they said, to let the other player advance, then strike against those proud central pawns from the flanks. The very name "hypermodern" is commonly credited to Tartakower.
The sharpest practical demonstration came at New York in 1924. There, in round five, Richard Réti beat the world champion José Raúl Capablanca — a man who had not lost a single game in eight years. Réti won with a quiet opening beginning 1.Nf3, a flank move that seemed almost to decline the fight for the centre. Capablanca, the polished icon of classical perfection, was undone. For observers it felt like the passing of an old order.
The opening of the future
That game made Réti's name permanent. The opening he played — 1.Nf3, usually followed by c4 and a fianchettoed bishop — became known simply as the Réti Opening, a system built on controlling the centre with pieces rather than pawns. Tartakower, with his gift for a phrase, called Réti's quiet first move "an opening of the past which became the opening of the future."
A book that outlived its author
The movement's ideas found their most complete home in Nimzowitsch's My System — published first in German as Mein System in 1925, distributed as five instalments through the mid-1920s and then as a bound book. It introduced ideas so deep they still structure how we talk about the game: prophylaxis (preventing your opponent's plans before they land), over-protection, the blockade of a backward pawn, the use of open files and the seventh rank. Chess historians still rank it among the most important books ever written on the game.
The Hypermodern school never abolished classical play. But it changed it. When you hear a modern player say chess is a game of "flexible" centres, or see a grandmaster deliberately leave the middle empty and aim at it with bishops, that is the 1920s talking. The rebels lost most of their arguments in their lifetimes — and won in the long run.