George Duke wrote on Thu, Mar 1, 2012 06:16 PM UTC:
Is this a C. variant? Http://www.chessbase.com/newsdetail.asp?newsid=7955.
Self-Block, self-pin, http://www.chessbase.com/newsdetail.asp?newsid=7935, there is increasing symbolism and semi-conscious metaphor at the establishment of their having boxed themselves into positions there is no way out but relinquishment. To put it comfortably in another old problem having adequate solution, problem themes only started at Chessbase in earnest about a year ago, though they far pre-date F.i.d.e. and world champion cycles and elos.