This month we present a lightly edited excerpt from Chess Evolution Newsletter #137. CEWN is released every Friday of the week, the newsletter contains twenty-plus pages of great chess material written by top grandmasters Arkadij Naiditsch and Csaba Balogh.
This column presents ten “Halloween problems”. They are called that because the pieces are wearing disguises. We know where they stand, but we don’t know their colour. Part of the solver’s task is to figure out which pieces are white and which are black.
Opening choice and preparation in OTB chess are important. The goal is to reach a known position that offers adequate chances, and, if lucky, the opponent goes astray somewhere. It also saves important reflection time.
In CC opening choice is even more important. There are many openings that are suitable for OTB play, but are not strong enough in CC, and these should be avoided. There is no roo