
Series help problem = Black makes a number of consequetive moves (in this case 4) before white makes his one and only move.
Einstein Chess = a unit that captures an enemy unit gains energy and transformes in the sequence Pawn - Knight - Bishop - Rook - Queen - Queen etc. A unit that moves without capturing loses energy and transformes in the opposite direction, i.e., Queen - Rook - Bishop - Knight - Pawn - Pawn etc.