Nimzovich-Larsen attack[ edit ]
ECO: A01
theme No: 25
title: Nimzovich-Larsen attack
notation: 1. b3
board: show
Larsen┤s Opening, also called the Queen┤s Fianchetto Opening is a chess opening starting with 1.b3. It is named after the Danish grandmaster Bent Larsen. Larsen was inspired by the example of the great Latvian-Danish player and theoretician Aron Nimzowitsch (1886-1935), who often played 1.Nf3 followed by 2.b3, which is sometimes called the Nimzowitsch-Larsen Attack.

The opening move 1.b3 prepares to fianchetto the queen┤s bishop where it will fight for the central squares and point towards Black┤s kingside. Still, 1.b3 is less popular than 1.g3 (Benko┤s Opening), which prepares a quick kingside castling. According to ChessBase, 1.b3 ranks sixth in popularity out of the possible twenty first moves while the fifth-ranking 1.g3 is about three times as popular.

Although Bent Larsen was initially very successful with this opening, Larsen┤s Opening suffered a setback in the 1970 USSR vs. Rest of the World match in Belgrade. There, Larsen lost with this opening against Boris Spassky in just 17 moves, a remarkably quick loss, especially when playing White. Larsen was also decisively defeated when playing this opening against Balinas in this game at Manila 1975.

The Encyclopedia of Chess Openings considers Larsen┤s opening common enough to avoid relegation to the A00 openings. Instead it is classified as A01.

Main Lines

Black has several options to meet 1.b3. The most common are
  • 1...e5 is the most common response, making a grab for the centre and limiting the scope of the White Bishop.
  • 1...d5 is the second most common, also making a grab for the centre and preserving the option to fianchetto the King┤s Bishop to oppose the White one.
  • 1...Nf6 developing a piece and not commiting to a particular pawn formation just yet.
  • 1...c5, retaining the options of ...d5, or ...d6 followed by ...e5, e.g., 2.Bb2 d6 3.Nf3 e5.

categories: theme library | Nimzovich-Larsen attack
article No 1015 / last change on 2005-07-05, 09:42pm

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This article is based on the article Larsen┬┤s Opening from the free encyclopaedia Wikipedia and stands under the GNU-Licence for free documentation. In the Wikipedia a list of the authors is available.

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