Single Comment

Subtlety. Subtle T, Sublet, Letups, Upset, Setup:  
        DEMONSTRATION V:                 Think of Centaur(BN) and
  n___n___n___n___ ___ ___n___n___n___n  Champion(RN)in their Knight mode
  P___P___P___P___P___P___P___P___P___P  Then from most of the starting
  x___N___C___x___x___x___x___M___N___x  arrays with these pieces, there
  a   b   c   d   e   f   g   h   i   j  are eight possible 'Knight'
   openings: N-a3 or -b3 or -c3 or -d3 or -g3 or -h3 or -i3 or -j3.
   DEMONSTRATION VI: Think of    p___ ___ ___ ___ ___ ___ ___ ___M___ 
Champion and Queen in their      k___p___ ___ ___ ___ ___ ___ ___R___
Rook mode. All four Ranks 1,      ___ ___p___ ___ ___ ___ ___ ___R___
2,3,4 are fully controlled in     ___ ___ ___ ___ ___ ___ ___ ___Q___
this (incomplete) endgame by     a   b   c   d   e   f   g   h   i   j
four 'Rooks' except squares a2 and b2.  Subtle.         
   ___ ___ ___ ___C___o___o       DEMONSTRATION VII
   ___ ___ ___o___B___B___o  o = control by diagonal w/o capture
   ___ ___o___o___o___Q___   Think of Centaur(BN) and Queen(RB) in
   ___o___o___o___o___ ___   their Bishop mode against White's King,
  o___o___r___o___ ___ ___   Queen, Rook, Rook. Four 'Bishops',
  q___r___o___ ___ ___ ___   four long diagonals fully under control.
  k___o___ ___ ___ ___ ___   Overkill.