-add variants : Dark Racing Kings ?
-Checkered-Teleport ?
+Animate castle by both movements (and generalize? match vanishes with appears?)
+add variants :
+Dark Racing Kings ? Checkered-Teleport ?
+
+Hmm... non ? -->
Otage, Emergo, Pacosako : fonction "buildPiece(arg1, arg2)" returns HTML element with 2 SVG or SVG + number
-réfléchir aux animations par variante (reversi, Chakart, Atomic, ...)