The Grünfeld Defense is 1. d4 Nf6 2. c4 g6 3. Nc3 d5. Black hits White's center right away with d5, often lets White trade pawns and build a big center, then surrounds it from the side with the g7 bishop and the c5 pawn. It's sharp, it's been the Black weapon of many world champions, and if you like counterattacking it's worth trying when you play chess online for free.
Moves and position
The first moves look a lot like the King's Indian. The paths split on move three:
1. d4 Nf6White takes the center, and the black knight watches e4.2. c4 g6White adds more control of the center, and Black gets ready to put the bishop on g7.3. Nc3 d5Instead of Bg7, Black hits White's c4 right away with d5.
Black's idea: you can have the center, but I'll turn your center pawns into targets. The g7 bishop, the c5 pawn and the c6 knight all aim at d4.
What White wants
- A big center: With cxd5 and e4, White puts two pawns on d4 and e4 to cramp Black.
- Hold d4: All of Black's attacks aim at d4, so White has to protect it well with bishop, knight and pawns.
- Push d5 to gain space: Once the center pawns are secure, White pushes d5 and squeezes Black's pieces back.
What Black wants
- Attack d4: The g7 bishop watches d4 from afar, and c5 and Nc6 add to the pressure.
- Trade off White's knight: In the Exchange Variation, the black knight trades off the white knight on c3, so White's center has one less helper.
- Castle early: With the bishop on g7, the king is very safe after castling.
Main lines
Exchange Variation: 4. cxd5 Nxd5 5. e4
The most direct and most important line. White chases off and trades the black knight with pawns and builds a beautiful center. Black hits it at once with c5. It's a classic duel: White's big center against Black's pressure from the side.
Russian System: 4. Nf3 Bg7 5. Qb3
White presses on d5 with the queen, forcing Black to take on c4 first. After the queen recaptures, White pushes e4 easily and gets a fine center. The price is that the queen comes out early, and Black can chase it later with knights and bishops.
Bishop to f4: 4. Bf4
If White doesn't want a very sharp game, 4. Bf4 is an option. The white bishop eyes c7 and e3 makes d4 very solid. Black usually hits back with c5, and the position opens up just the same.
A common trap: forgetting to move the knight after the exchange
In the Exchange Variation, White pushes 5. e4 to attack the black knight on d5. Beginners with Black often play Bg7 out of habit and forget the knight is under attack:
If Black takes on d5 with the queen, the white knight on c3 takes the queen. So with this one mistake Black loses a knight, and at best gets the d4 pawn back with the bishop. Any way you count it, it's a big loss.
The right move is 5... Nxc3: trade the knights first, then develop the bishop. Retreating the knight to b6 is also fine. Remember: before every move, check what your opponent's last move is attacking.
Who it suits
- Players who like to counterattack: Let your opponent charge first, then hit back from every side.
- Players willing to memorize some lines: The Grünfeld has more concrete lines, so knowing a few main lines helps a lot.
- Players who already know the King's Indian: The piece setup is similar (bishop on g7, early castling), but you take action sooner.
It's very similar to the King's Indian Defense. The first two moves are the same and the bishop goes to g7 in both. The difference is that the King's Indian plays d6 and lets White take the center, while the Grünfeld hits it right away with d5.
FAQ
What is the difference between the Grünfeld and the King's Indian?
Both play Nf6, g6 and Bg7, but move three is different. The King's Indian plays d6, lets White take the center, and pushes e5 later. The Grünfeld plays d5 and hits the center right away, often letting White trade pawns and then surrounding d4. The Grünfeld acts sooner, and its lines are more concrete.
Isn't it dangerous for Black to give White a big center on purpose?
There is some risk, but that's the whole idea. Center pawns are strong, but they also need protection. Black attacks d4 with the g7 bishop, the c5 pawn and the c6 knight, and White often has to spend a lot of effort defending, so the center becomes a burden.
What if White doesn't play 3. Nc3?
If White plays 3. Nf3 or 3. g3, Black can still play d5 and Bg7 with the same ideas. If White plays 3. f3 to push e4 first, the game gets more unusual, and you need to watch the center carefully.
Try it yourself
Use the button below to start a game against the computer from the Grünfeld Defense. With Black, keep your eyes on d4. For other openings, go back to the openings guide. For something different, head back to the chess game online home page.
Play this opening against the computer