Russian IM Mark Dvoretsky is one the most respected chess trainers in the world today. In his March 2015 column he presents the third of a six-part series dealing with positions in which Black opens the g-file after a trade of minor pieces. A new column is posted the second Tuesday of each month. Unjustified Weakening of the Pawn Structure By Mark Dvoretsky As a rule, White strives to exploit his opponent's kingside weaknesses by playing for attack, and keeping the queens on the board. But sometimes, pawn structure minuses make themselves felt even deep into the endgame, as the following examples demonstrate. Tal - Korchnoi Game 1, Semi-Final Candidates' Match, Moscow 1968 1.d4 Nf6 … [Read more...]