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The surprising Glek 4 Knights with 4.g3 in 60 Minutes

On this 60 minutes video, we will cover a surprise weapon known as the 'Glek' Four Knights with 4.g3, named after inventor, Grandmaster Igor Glek. This is an excellent anti-Petroff device, perfectly sound and can come as a shock to the unprepared.

It is worth noting that Richard Rapport used this variation to defeat Duda in the recent Candidates tournament , which speaks volumes for the validity of the opening. White is often looking to launch a kingside attack in this line, although he will have to get his knight on f3 out of the way before he can play f2-f4. He also has options in the center and can play either d2-d3 or d2-d4, according to circumstances. An aggressive central advance is something White players should look out for when they play the Glek Variation. These are sharp ideas, far from the often dreary reputation that the Four Knights holds. Below master level, I imagine these ideas will not be that well known to the vast majority of players. Black could easily slip into a poor position without even realising it!


Muestra de vídeo


  • Introduction
  • Theory
  • 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.g3
  • Game 2: 4...Bc5 5.Bg2 d6 6.d3 a5
  • Game 3: 4...Bc5 5.Bg2 d6 6.d3 0-0
  • Game 4: 4...Bb4 5.Bg2 Bxc3 6.bxc3 Nxe4 7.Nxe5 Nxe5 8.Bxe4 d5
  • Game 5: 4...d5 5.exd5 Nxd5 6.Bc2 Nxc3 7.bxc3 Bd6
  • Game 6: 4...d5 5.exd5 Nxd5 6.Bg2 Nde7
  • Game 7: 4...d6 5.Bg2 Bg4 6.h3 Be6 7.d4 Bc4
  • Game 8: 4...g6 5.d4 exd4 6.Nxd4 Bg7 7.Nde2 0-0
  • Outro

Rusa o Petrov

After 2.Nf3 Black is in no way obliged to defend his e-pawn. Instead, he can play 2...Nf6 and start a counter-attack against White’s e-pawn. In the 19th century the Russian players Alexander Petroff (1794–1867) and Carl Friedrich Jänisch (1813–1872) made important contributions to the development of the variation, which has therefore become known as the Petroff Defence (or the Russian Defence).

In the second half of the 20th century after a long period of neglect, it developed in the 1980s into one of the most reliable ways for Black to achieve a draw at the top level. Worldclass players such as Karpov, Yusupov, Gelfand, Kramnik and Anand adopted it as part of their repertoire and the question as to how White could manage to reach an advantage against the Petroff became an even more ticklish one.

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