1 d4 d5 2 c4 c6 3 Nf3 dxc4. Without a White Knight on c3 the positon becomes radically different to the earlier line, but the idea of disruption is still the key to understanding Black's play.

<p>Cette variante a pour but d&#39;&eacute;carter les Noirs de leur jeu normal d&egrave;s le d&eacute;part, en les contraignant &agrave; jouer avec pr&eacute;cision et de faire face &agrave; un certain nombre de nuances complexes.</p>

Mikhalchishin's new work sheds light on fresh ideas in the hyper-sharp c3 variation, the classical line, which is specially well played by Caruana, as well as further entertaining developments in the Semi-Arkhangelsk with a temporarily delayed b7-b5.

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Bxd2!? 6.Qxd2 Nc6! 7.Nc3 d5! is a modern line where Black tries to play actively in the center. Shah shows the possible variations which occur in this position.

<p>Erwin l&rsquo;Ami vous guide &agrave; travers le fascinant Gambit Benk&ouml; Gambit. Les Noirs s&#39;y battent d&egrave;s le 3e coup pour l&#39;initiative. Une strat&eacute;gie qui s&#39;av&egrave;re souvent payante!</p>

In this 60 minutes video GM Nadezhda Kosintseva offers White a repertoire to counter the Löwenthal Variation.

The Alekhine Defence belongs to those openings which face White with their very special challenges. GM Bojkov shows you new ideas in the variation with 4.Nf3, enabling you to systematically build up a good attacking position free of risk.