Our second featured author for the month of December is International Master Mark Ginsburg. Today he begins a new series, targeted towards Intermediate-Advanced level players looking to strengthen their openings repertoire's in the Nimzo Indian. He provides solid analysis, recommending his approach 5... 0-0 with 6... d6 against the Main Line Classical Nimzo with 5.a3. He also gives good general advice on how to deal with an imbalance like the Bishop Pair.