The Torre Attack is a chess

Chess

Chess is a two-player board game played on a chessboard, a square-checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.Each player...

 opening

Chess opening

A chess opening is the group of initial moves of a chess game. Recognized sequences of opening moves are referred to as openings as initiated by White or defenses, as created in reply by Black. There are many dozens of different openings, and hundreds of named variants. The Oxford Companion to...

 characterized by the moves:

1. d4 Nf6

2. Nf3 e6

3. Bg5

or the Tartakower Variation (ECO

Encyclopaedia of Chess Openings

The Encyclopaedia of Chess Openings is a classification system for the opening moves in a game of chess. It is presented as a five volume book collection describing chess openings...

 code D03):

2... d5

3. Bg5

White pursues quick and harmonious development, will bolster his d4-pawn by c2–c3, then often enforces e2–e4 to initiate kingside attacking chances. If White plays an early c4, the opening will transpose to a number of more common Queen Pawn Openings

Queen's Pawn Game

In the most general sense the term Queen's Pawn Game can refer to any chess opening which starts with the move:It is the second most popular opening move. The name is now usually used to describe openings beginning with the moves 1.d4 d5 where White does not follow through with an early pawn...

, such as the Queen's Gambit

Queen's Gambit

The Queen's Gambit is a chess opening that starts with the moves:The Queen's Gambit is one of the oldest known chess openings. It was mentioned in the Göttingen manuscript of 1490 and was later analysed by masters such as Gioachino Greco in the seventeenth century...

 or one of the various Indian defences.
The opening is named after the Mexican grandmaster Carlos Torre Repetto

Carlos Torre Repetto

Carlos Torre Repetto was a chess grandmaster from Mexico.Torre won the Louisiana championship at New Orleans 1923. He was first at Detroit 1924, followed by Samuel Factor, Herman H. Hahlbohm, Norman Whitaker, Samuel Reshevsky, etc., and at Rochester 1924...

. The variation was also employed by Savielly Tartakower

Savielly Tartakower

Ksawery Tartakower was a leading Polish and French chess Grandmaster. He was also a leading chess journalist of the 1920s and 30s...

, and the young Tigran Petrosian

Tigran Petrosian

Tigran Vartanovich Petrosian was a Soviet-Armenian grandmaster, and World Chess Champion from 1963 to 1969. He was nicknamed "Iron Tigran" due to his playing style because of his almost impenetrable defence, which emphasised safety above all else...

 on occasion. Among top-level players it perhaps has been most utilized by Jan Timman

Jan Timman

Jan Timman is a Dutch chess Grandmaster who was one of the world's leading players from the late 1970s to the early 1990s. At the peak of his career he was considered to be the best non-Soviet player and was known as "The Best of the West"...

.

The Torre Attack is rarely met in modern top-flight play, and statistical analysis shows that it is not particularly advantageous for White.