p.boxed
- | TODO
+ | Checkmating the queen wins too. A queen cannot go or stay under check.
+
+p Just as the king, the queen can be checked and mated. This means that
+ul
+ li It is not allowed to make a move such that the queen can be captured.
+ li.
+ When your queen is attacked, you must play a move such that the queen
+ is no longer attacked.
+ li If it's impossible, then you lose.
+
+p.
+ Since the king remains royal, this allows a new way to win: check both
+ royal pieces at the same time, like on the following diagrams.
+
+figure.diagram-container
+ .diagram.diag12
+ | fen:4Q3/4K3/8/8/3N4/5k2/2q5/8:
+ .diagram.diag22
+ | fen:n2rb1r1/1Qn2p2/5qp1/3p4/P1P2PNp/BP2k2P/R3P1P1/1K4RB:
+ figcaption Both black king and queen are in check: white wins.
+
+h3 Special moves
+
+p.
+ If a pawn promotes into a queen, the latter is royal as well.
+ So under-promotions might be wiser.
+
+p.
+ You can castle with the queen or the king and any of the two rooks,
+ under the same conditions as orthodox castling.
+ Here is the resulting position after two white small castles and
+ one black large castle with the queen:
+
+figure.diagram-container
+ .diagram
+ | fen:r4rq1/ppppppkp/6p1/8/8/8/PPPPPPPP/1QR2RK1:
+ figcaption After two white small castles and one black large castle.
+
+p.
+ Note: to castle in a game you need to select
+ the king or queen first, and then move it to a rook.
+
+h3 Source
+
+p
+ a(href="https://www.chessvariants.com/winning.dir/coregal.html")
+ | Coregal Chess
+ | on chessvariants.com.
+ | This variant can be played too
+ a(href="https://greenchess.net/rules.php?v=coregal") on greenchess.net
+ | .
+
+p Inventor: Vernon R. Parton (1970)