Openings · B50

Sicilian Defense

1.e4 c5 2.Nf3 d6 3.d4

6,995 master games · White 37% · Draws 32% · Black 31%

ECO code
B50
Moves
1.e4 c5 2.Nf3 d6 3.d4
Family
Sicilian Defense
To move
Black
Master games
6,995
Average game length
43 moves
Years covered
1933–2026

Sicilian Defense is the opening filed under ECO code B50, reached after 1.e4 c5 2.Nf3 d6 3.d4. It belongs to the Sicilian Defense family; in the resulting position it is Black to move.

Katuranga's collection of 138,070 master games contains 6,995 games on this line — the 18th most played opening in the collection. The oldest game on this line is from 1933 and the most recent from 2026. The busiest decade in this collection is the 2020s, with 2,367 games. An average game here lasts 43 moves.

White wins 37% of those games, 32% end in a draw, and Black wins 31%. Compared with the collection average (White 37%, draws 35%, Black 28%), Black scores better here by 3 percentage points.

From this position the most popular move is 3...cxd4, played in 6,811 games, followed by 3...Nf6 (183) and 3...c4 (1). 3...cxd4 leads into Sicilian Defense (B50). After 3...cxd4 White scores 37% and Black 31%.

The name that appears most often on the White side of this line is Shirov,A (305 games); on the Black side, Vachier Lagrave,M (453).

17 named variations branch off this position and have their own page here, among them Sicilian Defense (B50); Sicilian Defense: Modern Variations, Main Line; Sicilian Defense: Najdorf Variation.

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 37% (2,607)
  • Draws 32% (2,240)
  • Black 31% (2,148)

Most played continuations

MoveGames White / draws / BlackLeads into
3...cxd4 6,811 37/32/31 Sicilian Defense (B50)
3...Nf6 183 39/32/29 —
3...c4 1 100/0/0 —

Variations from this position

How the position is reached

Played most often by

As White

  • Shirov,A 305
  • Nepomniachtchi,I 245
  • Karjakin,Sergey 199

As Black

  • Vachier Lagrave,M 453
  • Nepomniachtchi,I 330
  • Grischuk,A 270

Games per decade

  • 1930s 14
  • 1940s 31
  • 1950s 205
  • 1960s 223
  • 1970s 226
  • 1980s 259
  • 1990s 719
  • 2000s 1,307
  • 2010s 1,644
  • 2020s 2,367

Master games on this line

WhiteBlack ResultYearEvents
Oro,FaustinoNepomniachtchi,I 0-12026 Titled Tue 12th May 2026
Mahdavi,RezaGrischuk,A 1-02026 Titled Tue 27th Jan 2026
Kleimenov,NikolayNepomniachtchi,I 0-12026 1st 3-0 Thu 1st Jan 2026
Erigaisi,ArjunMartinez Alcantara,Jose Eduardo 0-12026 3rd 3-0 Thu 14th May 2026
Van Foreest,JordenCarlsen,M 1-02026 31st Sigeman & Co 2026
Caruana,FRustamov,Rustam 0-12026 Titled Tue 21st Apr 2026

Frequently asked questions

What is the Sicilian Defense?

It is the opening with ECO code B50, reached after 1.e4 c5 2.Nf3 d6 3.d4. It belongs to the Sicilian Defense family.

Is the Sicilian Defense good for White or for Black?

In 6,995 master games on this line White wins 37%, 32% are drawn and Black wins 31%. The collection average is White 37%, draws 35%, Black 28% — so this line is a slightly better bargain for Black than the field as a whole.

What is the main continuation of the Sicilian Defense?

3...cxd4 — played in 6,811 of the master games on this line, which leads into Sicilian Defense (B50).

Which grandmasters play the Sicilian Defense?

On the White side Shirov,A (305), Nepomniachtchi,I (245), Karjakin,Sergey (199); on the Black side Vachier Lagrave,M (453), Nepomniachtchi,I (330), Grischuk,A (270).

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

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