Openings · B15

Caro-Kann Defense

1.e4 c6 2.d4 d5 3.Nc3

946 master games · White 35% · Draws 38% · Black 27%

ECO code
B15
Moves
1.e4 c6 2.d4 d5 3.Nc3
Family
Caro-Kann Defense
To move
Black
Master games
946
Average game length
43 moves
Years covered
1898–2026

Caro-Kann Defense is the opening filed under ECO code B15, reached after 1.e4 c6 2.d4 d5 3.Nc3. It belongs to the Caro-Kann Defense family; in the resulting position it is Black to move.

Katuranga's collection of 138,070 master games contains 946 games on this line — the 114th most played opening in the collection. The oldest game on this line is from 1898 and the most recent from 2026. The busiest decade in this collection is the 2020s, with 256 games. An average game here lasts 43 moves.

White wins 35% of those games, 38% end in a draw, and Black wins 27%. That is close to the collection average (White 37%, draws 35%, Black 28%).

From this position the most popular move is 3...dxe4, played in 914 games, followed by 3...g6 (19) and 3...a6 (7). 3...dxe4 leads into Caro-Kann Defense (B15). After 3...dxe4 White scores 35% and Black 26%.

The name that appears most often on the White side of this line is Spassky, Boris V (51 games); on the Black side, Karpov, Anatoly (53).

1 named variation branch off this position and have their own page here, among them Caro-Kann Defense (B15).

Reading about an opening is not the same as knowing it. Play this line against the Katuranga bot, then let the engine mark your brilliant moves, mistakes and blunders in Analysis — the fastest way to find out which of these moves you actually understand.

Results in master games

  • White 35% (332)
  • Draws 38% (359)
  • Black 27% (255)

Most played continuations

MoveGames White / draws / BlackLeads into
3...dxe4 914 35/39/26 Caro-Kann Defense (B15)
3...g6 19 32/32/36 —
3...a6 7 0/14/86 —
3...h6 2 100/0/0 —
3...Nf6 2 50/0/50 —
3...b5 1 100/0/0 —
3...e6 1 100/0/0 —

Variations from this position

How the position is reached

Played most often by

As White

  • Spassky, Boris V 51
  • Nepomniachtchi,I 41
  • Hou Yifan 33

As Black

  • Karpov, Anatoly 53
  • Keymer,Vincent 36
  • Petrosian, Tigran V 35

Games per decade

  • 1890s 4
  • 1900s 9
  • 1910s 12
  • 1920s 22
  • 1930s 17
  • 1940s 13
  • 1950s 28
  • 1960s 95
  • 1970s 61
  • 1980s 49
  • 1990s 107
  • 2000s 153
  • 2010s 120
  • 2020s 256

Master games on this line

WhiteBlack ResultYearEvents
Abdusattorov,NodirbekHenriquez Villagra,C 1/2-1/22026 Titled Tue 13th Jan 2026
Abdusattorov,NodirbekSharon,Rafael 1-02026 Titled Tue 6th Jan 2026
Dirikolu,DenizKeymer,Vincent 0-12026 Titled Tue 24th Mar 2026
Vachier Lagrave,MDudzinski,Pa 1-02026 Titled Tue 13th Jan 2026
Gukesh,DPraggnanandhaa,R 1-02026 GCT Super Blitz Croatia
Ivanchuk,VSuleymanli,Aydin 1/2-1/22026 FIDE World Rapid Team

Frequently asked questions

What is the Caro-Kann Defense?

It is the opening with ECO code B15, reached after 1.e4 c6 2.d4 d5 3.Nc3. It belongs to the Caro-Kann Defense family.

Is the Caro-Kann Defense good for White or for Black?

In 946 master games on this line White wins 35%, 38% are drawn and Black wins 27%. The collection average is White 37%, draws 35%, Black 28% — so this line is no worse than usual for White than the field as a whole.

What is the main continuation of the Caro-Kann Defense?

3...dxe4 — played in 914 of the master games on this line, which leads into Caro-Kann Defense (B15).

Which grandmasters play the Caro-Kann Defense?

On the White side Spassky, Boris V (51), Nepomniachtchi,I (41), Hou Yifan (33); on the Black side Karpov, Anatoly (53), Keymer,Vincent (36), Petrosian, Tigran V (35).

Every number on this page is computed from Katuranga's master game collection; names and ECO codes follow the lichess opening book (CC0).

Try this line on the board

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