+
+Generator vatiant, called "Matrix" ?
+Peces on first rank never move but generate new pieces. Pawn don't generate.
+A generator captured and replaced by a similar piece does not generate.
+King does not generate. No castling. En passant possible?
+Goal is still checkmate.
+
+Take(a)n(d)make : if capture a piece, take its power for the last of the turn and make a move like it.
+If a pawn taken: direction of the capturer.
+
++ Maxima, Interweave, Roccoco, Dynamo, Synchrone, Cannibal (force captures)
+
+S-chess https://en.wikipedia.org/wiki/Seirawan_chess