Caro-Kann Defense

1. 1

   Support d5 without blocking the bishop

   1.e4 c6 2.d4 d5

   Unlike 1...e6 (French Defense), ...c6 supports the coming ...d5 push without shutting in the c8 bishop. Black plans to develop that bishop to f5 or g4 before playing ...e6, solving in advance the one problem that defines the French.

2. 2

   Classical Variation: the long knight and bishop dance

   6.h4 h6 7.Nf3 Nd7 8.h5 Bh7

   White's knight hops from e4 to g3, gaining a tempo on the bishop with h4-h5, and Black's bishop retreats all the way to h7 — tucked away safely but completely out of the game for many moves. Black accepts this because the resulting structure after 9.Bd3 Bxd3 10.Qxd3 is famously solid and easy to play.

3. 3

   Advance Variation: space for both sides

   1.e4 c6 2.d4 d5 3.e5 Bf5

   White gains a big space advantage, similar to the French Advance, but here Black's light-squared bishop is already outside the pawn chain on f5. Black's plan is the same as in the French: pressure the base of the chain with ...c5 and challenge White's space with active piece play.

4. 4

   Exchange Variation: a symmetric structure with a plan

   1.e4 c6 2.d4 d5 3.exd5 cxd5

   A quiet, symmetric pawn structure results, but far from lifeless: White develops naturally with Bd3 and Nf3/Ne2, aiming for a small space edge, while Black completes development smoothly with no weaknesses to worry about.

5. 5

   Panov-Botvinnik Attack: an IQP fight

   1...c6 2.d4 d5 3.exd5 cxd5 4.c4

   Instead of the quiet Exchange Variation, White strikes at d5 a second time, aiming for an isolated queen's pawn structure similar to the Queen's Gambit — active piece play and attacking chances for White, in exchange for a long-term structural target on d4 for Black to aim at.

6. 6

   Two Knights Variation: a modern alternative

   1.e4 c6 2.Nf3 d5 3.Nc3 Bg4

   White delays d4, and Black pins the f3 knight at once. After 4.h3 Bxf3 5.Qxf3 the position resembles the Classical Variation's structure but with White's queen already committed to f3 — a slightly different, less theory-heavy way to reach a similar type of game.

These are the patterns worth knowing. For the full count, see the Caro-Kann Defense mistakes players make most often at each rating.

1. 1

   Black: the Classical Variation's solid structure

   9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Qc7

   Once the bishops are traded on d3, Black finishes development with ...Ngf6, ...Be7 (or ...Bd6) and ...O-O, reaching a position with no weaknesses at all. The trade-off for the tucked-away bishop's lost tempi is a structure that is extremely difficult for White to attack.

2. 2

   White: the space advantage in the Advance Variation

   7...Ne7 8.c4 Nbc6 9.Qa4 a6 10.Nc3

   In the Short Variation White keeps the e5 wedge, develops calmly and then opens a second front with c4, hitting d5 while the extra space gives the pieces room to manoeuvre. Black's counterplay is pressure against d4 and e5 with ...Nbc6 and ...Ng6, and eventually the ...f6 break.

3. 3

   Black: the ...c5 and ...Qb6 pressure

   5.Be2 c5 6.Be3 Nc6 7.c3 Qb6

   The queen adds pressure to b2 and d4 at once, often provoking 8.Qb3 to trade queens (removing any tactical tricks) or forcing White to defend passively. This is the single most common plan for Black in the Advance Variation's main lines.

4. 4

   White: IQP piece play in the Panov-Botvinnik Attack

   7...Nxd5 8.Bd3 Be7 9.O-O O-O 10.Re1

   White uses the extra central space and open lines from the isolated d4 pawn for active piece play — a knight to e5, a rook to e1 or c1, and pressure against Black's kingside — hoping to attack before the endgame arrives, since a pure endgame generally favours the side without the IQP.

5. 5

   Black: blockade and trade down against the IQP

   8.Bd3 Be7 9.O-O O-O 10.Re1 Nf6

   Black's plan is the mirror image: put a knight on d5 as a permanent blockader, trade pieces whenever possible (each trade makes the pawn weaker, not stronger), and aim for an endgame where the d4 pawn becomes a simple, lasting target.