| 1 | p.boxed |
| 2 | | Checkmating the queen wins too. A queen cannot go or stay under check. |
| 3 | |
| 4 | p Just as the king, the queen can be checked and mated. This means that |
| 5 | ul |
| 6 | li It is not allowed to make a move such that the queen can be captured. |
| 7 | li. |
| 8 | When your queen is attacked, you must play a move such that the queen |
| 9 | is no longer attacked. |
| 10 | li If it's impossible, then you lose. |
| 11 | |
| 12 | p. |
| 13 | Since the king remains royal, this allows a new way to win: check both |
| 14 | royal pieces at the same time, like on the following diagrams. |
| 15 | |
| 16 | figure.diagram-container |
| 17 | .diagram.diag12 |
| 18 | | fen:4Q3/4K3/8/8/3N4/5k2/2q5/8: |
| 19 | .diagram.diag22 |
| 20 | | fen:n2rb1r1/1Qn2p2/5qp1/3p4/P1P2PNp/BP2k2P/R3P1P1/1K4RB: |
| 21 | figcaption Both black king and queen are in check: white wins. |
| 22 | |
| 23 | h3 Special moves |
| 24 | |
| 25 | p. |
| 26 | If a pawn promotes into a queen, the latter is royal as well. |
| 27 | So under-promotions might be wiser. |
| 28 | |
| 29 | p. |
| 30 | You can castle with the queen or the king and any of the two rooks, |
| 31 | under the same conditions as orthodox castling. |
| 32 | Here is the resulting position after two white small castles and |
| 33 | one black large castle with the queen: |
| 34 | |
| 35 | figure.diagram-container |
| 36 | .diagram |
| 37 | | fen:r4rq1/ppppppkp/6p1/8/8/8/PPPPPPPP/1QR2RK1: |
| 38 | figcaption After two white small castles and one black large castle. |
| 39 | |
| 40 | p. |
| 41 | Note: to castle in a game you need to select |
| 42 | the king or queen first, and then move it to a rook. |
| 43 | |
| 44 | h3 Source |
| 45 | |
| 46 | p |
| 47 | a(href="https://www.chessvariants.com/winning.dir/coregal.html") |
| 48 | | Coregal Chess |
| 49 | | on chessvariants.com. |
| 50 | | This variant can be played too |
| 51 | a(href="https://greenchess.net/rules.php?v=coregal") on greenchess.net |
| 52 | | . |
| 53 | |
| 54 | p Inventor: Vernon R. Parton (1970) |