Intermediate - Middle Game: A position from the game GM Maxime Vachier-Lagrave against GM Alexandra Kosteniuk. What would have happened, had Maxime played 1. h8 = Q?
Difficult - Study: A very beautiful 1924 chess study by Troitsky. In this short video, Chess Queen Alexandra Kosteniuk shows you how to solve it to the end, you will enjoy it for sure.