CLEARANCE - Beating the Berlin Defense - Alexei Shirov

Ever since the Kasparov-Kramnik World Championship Match held in London in 2000, players with the white pieces have been trying to crack the formindable Berlin Wall in the Ruy Lopez. There may also have been some successes for White of course, but time and again Black has convincingly demonstrated how to equalise or even how to construct an impregnable fortress.

The situation from White's point of view has become precarious