Grünfeld Defense

Give them the center, then dismantle it · for Black · hard

Ernst Grünfeld unleashed it against Alekhine in 1922. Thirty-four years later, 13-year-old Bobby Fischer used it to play the 'Game of the Century.' Kasparov trusted it for world titles. Sharp, principled, fearless.

What you'll actually face

Built from millions of real games in your rating range — not master theory you'll never see:

• d5 — played in 55% of games at club level
• Nf6 — played in 9% of games at club level
• e6 — played in 9% of games at club level
• e5 — played in 9% of games at club level
• d6 — played in 3% of games at club level

Every move explained

• Nf6: Develop and take e4 away for now — the pawns come later.
• g6: Prepare the fianchetto. The bishop on g7 is the Grünfeld’s main weapon.
• d5: The Grünfeld strike: challenge the center NOW, before White finishes building it.

Chess Openings is a free trainer: the bot plays the replies real opponents choose at your level, every move is graded, and your weak spots get retested until they stick.