Closing the Gap(s)

As indicated earlier on, I spent this evening with CB13, MegaBase2016 and Hiarcs to FINALLY get a grip on two lines with Black: it was overdue (as I had to learn the hard way in yesterday´s game)! Actually, I even hammered the stuff in CPT!

In addition, I picked up Aagaard´s "Grandmaster Preparation - Calculation" again! (Actually, it is RB`s book - he lent it to me and I better get a grip on it so that I can return it timely.) I went for 6 puzzles; here´s an interesting one which I didn´t get (White to move):