Gruenfeld: Classical Exchange, 8...c5

Before the first move

The Grünfeld Defense is a dynamic, hypermodern opening where Black allows White to build a massive pawn center only to immediately attack it with pieces. In this Classical Exchange variation, White accepts the challenge, constructing a rock-solid central wall that Black must try to crumble with timely pawn breaks and pressure.

1. d4White · your move

Push your pawn to d4. This move claims central space and opens lines for your queen and dark-squared bishop, establishing a solid foundation for your game.

1... Nf6Black

Black replies with Nf6, the most popular response to d4. While alternatives like the Englund Gambit or the solid Horwitz Defense exist, this knight move keeps all options open.

Other paths here: Na6 (Australian Defense) · g5 (Borg Defense: Borg Gambit) · b6 (English Defense) · e5 (Englund Gambit)

2. c4White · your move

Push your pawn to c4. By adding this second central pawn, you fight for more space and prepare to challenge any attempt Black makes to occupy the d5 square.

Other paths here: f4 (Canard Opening) · g4 (Indian Defense: Gibbins-Weidenhagen Gambit) · e4 (Indian Defense: Omega Gambit) · d5 (Indian Defense: Pawn Push Variation)

2... g6Black

Black plays g6, preparing to place the bishop on g7. This is the starting point for both the King's Indian Defense and the Grünfeld, depending on how Black handles the d-pawn.

Other paths here: g5 (Indian Defense: Medusa Gambit) · b5 (Indian Defense: Pyrenees Gambit) · a6 (Indian: 2.c4 a6) · Nc6 (Mexican Defense)

3. Nc3White · your move

Develop your knight to c3. This move increases your control over the d5 and e4 squares, directly challenging Black's upcoming central plans.

Other paths here: d5 (Indian Defense: Anti-Grünfeld, Advance Variation) · f3 (Indian Defense: Anti-Grünfeld, Alekhine Variation) · h4 (Indian Defense: Anti-Grünfeld, Basman-Williams Attack) · g3 (King's Indian Defense: Fianchetto Variation, Immediate Fianchetto)

3... d5Black

Black plays d5, the defining move of the Grünfeld. If Black had played Bg7 instead, the game would remain in King's Indian territory, but now the central tension is established.

Other paths here: Bg7 (King's Indian: 3.Nc3 Bg7) · c5 (King's Indian: 3.Nc3 c5) · c6 (King's Indian: 3.Nc3 c6) · d6 (King's Indian: 3.Nc3 d6)

4. cxd5White · your move

Capture the pawn on d5. This begins the Exchange Variation, where you trade your c-pawn to create a powerful, unopposed pawn center after the subsequent exchanges.

Other paths here: e3 (Gruenfeld: 4.e3) · g3 (Gruenfeld: 4.g3) · g4 (Grünfeld Defense: Gibbon Gambit) · f3 (Grünfeld Defense: Lutikov Variation)

4... Nxd5Black

Black recaptures with the knight. This is essential, as the knight is Black's most active piece right now, sitting proudly in the middle of the board.

5. e4White · your move

Push your pawn to e4, attacking the knight and seizing the full center. This is the critical moment where you establish the massive pawn duo that characterizes this line.

Other paths here: Bd2 (Gruenfeld: Exchange, 5.Bd2) · g3 (Gruenfeld: Exchange, 5.g3) · Na4 (Grünfeld Defense: Exchange Variation, Nadanian Attack)

5... Nxc3Black

Black captures on c3. Retreating to b6 is a common alternative, but the exchange is the main line, simplifying the position while creating the specific pawn structure Black wants to attack.

Other paths here: Nb6 (Gruenfeld: Exchange, 5.e4 Nb6)

6. bxc3White · your move

Recapture with your b-pawn. This strengthens your center and opens the b-file for your rook, though it does leave your a-pawn somewhat isolated.

6... Bg7Black

Black completes the fianchetto. While an immediate c5 is possible, developing the bishop first is the standard way to prepare the assault on the White center.

Other paths here: c5 (Gruenfeld: Exchange, 5.e4 Nxc3 6.bxc3 c5)

7. Bc4White · your move

Move your bishop to c4. This develops a piece to an active square, eyes the f7 weakness, and prepares for kingside castling.

Other paths here: Ba3 (Gruenfeld: Exchange, 7.Ba3) · Bb5+ (Gruenfeld: Exchange, 7.Bb5+) · Be3 (Gruenfeld: Exchange, 7.Be3) · Nf3 (Grünfeld Defense: Exchange Variation, Modern Exchange Variation)

7... O-OBlack

Black castles, securing the king before launching the counterstrike. Black could also try b6 or an immediate c5, but castling is almost always a priority in these sharp lines.

Other paths here: b6 (Gruenfeld: Classical Exchange, 7...b6) · c5 (Gruenfeld: Classical Exchange, 7...c5)

8. Ne2White · your move

Develop your knight to e2. Placing the knight here instead of f3 avoids a future pin by Black's bishop and keeps your f-pawn free to support the center.

8... c5Black

Black finally plays c5, the thematic break. You might also see Nc6 or b6 in similar positions, but c5 is the most direct way to challenge White's central dominance.

Other paths here: Qd7 (Grünfeld Defense: Exchange Variation, Larsen Variation) · Nc6 (Grünfeld Defense: Exchange Variation, Simagin's Improved Variation) · b6 (Grünfeld Defense: Exchange Variation, Simagin's Lesser Variation)

Where you stand

The stage is set for a classic battle of space versus activity. White will look to castle and use their massive center to launch a kingside attack or maintain central control. Black will focus all pressure on the d4 pawn, using the bishop on g7, the knight on c6, and the queen on a5 to try and make the White center collapse.

• e1-g1 Castle kingside to secure your king
• c1-e3 Develop the bishop to support d4
• b8-c6 Develop knight to pressure the d4 pawn
• d8-a5 Bring the queen out to attack c3
• f2-f4 Push f4 to start a kingside attack