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Réti Opening A04–A09

Hypermodern central control

Final position of the Réti Opening main line

Main Line

White develops the knight to f3 and fianchettoes to control the centre from afar. Named after Richard Réti, a pioneer of the hypermodern school of chess in the 1920s.

The Réti Opening is the quintessential hypermodern opening - White controls the centre from a distance rather than occupying it directly. It leads to rich, strategic play where piece activity and flexibility trump pawn structure. A favourite of creative, positional players.

Key strategic ideas

  • White delays putting a pawn in the centre, instead developing with Nf3, g3, Bg2, and c4. The centre is controlled from a distance.
  • The key idea is to let Black occupy the centre first, then strike back with d4 when Black's pieces are not well placed.
  • The Réti is very flexible. It can turn into a King's Indian Attack, an English Opening, or a Catalan depending on what Black does.

Common mistakes & traps

  • After 1.Nf3 d5 2.g3 Nf6 3.Bg2 c5 4.O-O Nc6, White can strike with 5.d4! in the centre if Black is not careful about the pawn structure.
  • The Réti Gambit (1.Nf3 d5 2.c4 d4 3.b4!?) is a tricky queenside gambit. Black who grabs the pawn can end up in a cramped, passive position.

Pawn structure notes

Unlike d4 or e4 openings, the Réti keeps pawns flexible. White's c4 and g3 prepare centre control without fixing the structure early. The pawns often stay fluid until well into the middlegame.

Name origin

Named after Richard Réti, a Czech-Austrian grandmaster and one of the founders of the hypermodern school. He famously defeated world champion José Raúl Capablanca with this opening at the 1924 New York tournament.

Famous practitioners & games

Richard Réti, Boris Spassky, Magnus Carlsen, Viktor Korchnoi

Richard Réti vs José Raúl Capablanca
New York · 1924 · 1-0

Réti defeated the seemingly invincible Capablanca, ending his eight-year unbeaten streak with his own hypermodern system.
Magnus Carlsen vs Baadur Jobava
European Club Cup · 2015 · 1-0

Carlsen used the Réti to outmanoeuvre Jobava in a strategic masterpiece.

Lines

Main Line intermediate
1. Nf3 d5
2. g3 c5
3. Bg2 Nc6
4. O-O e5
White fianchettoes and castles quickly. Black builds a large pawn centre that White will challenge from the flanks.
Practice
King's Indian Attack beginner
1. Nf3 d5
2. g3 Nf6
3. Bg2 g6
4. O-O Bg7
5. d3 O-O
White sets up the King's Indian Attack - a reversed King's Indian structure. A system that can be used against many Black setups.
Practice
Advance Variation (2…d4) intermediate
1. Nf3 d5
2. c4 d4
Black advances the pawn to d4, gaining space and blocking White’s central influence. A combative response that leads to an immediate pawn structure fight.
Practice
Reti Gambit advanced
1. Nf3 d5
2. c4 d4
3. b4 c5
4. bxc5 Nc6
5. d3 e5
6. Bb2 Bxc5
7. g3 Nf6
8. Bg2
When Black advances to d4, White sacrifices a pawn with b4 to open lines and develop quickly. An aggressive way to handle the Advance variation.
Practice
Nimzowitsch-Larsen Setup intermediate
1. Nf3 d5
2. b3 Nf6
3. Bb2 g6
4. g3 Bg7
5. Bg2 O-O
6. O-O c5
7. e3 Nc6
White builds a double fianchetto with b3 and g3, controlling both long diagonals. A hypermodern system that emphasises piece activity over central pawn occupation.
Practice