-p.boxed TODO
+p.boxed
+ | Two different armies: Persians versus Spartians.
+
+p.
+ The Black side represents the Spartans and the White the Persians.
+ The Persians pawns and pieces follow the rules of orthodox chess.
+ The Spartans have two Kings and with the exception of their Kings,
+ every Spartan playing piece moves in a non-orthodox fashion.
+
+figure.diagram-container
+ .diagram
+ | fen:lgkcckwl/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR:
+ figcaption Initial deterministic position.
+
+p Approximative correspondances
+table
+ tr
+ th White
+ th Black
+ tr
+ td Rook
+ td Captain (on d8 and e8)
+ tr
+ td Bishop
+ td Lieutenant (on a8 and h8)
+ tr
+ td King
+ td Kings (on c8 and f8)
+ tr
+ td Pawn
+ td Hoplite
+p.
+ Queen and Knights don't have counterparts on black side, but,
+ the General on b8 and the Warlord on g8 are strong pieces.
+
+h3 Movements of black pieces
+
+ul
+ li.
+ Hoplite (Pawn) = Berolina pawn, with an extra option on its initial rank:
+ it can jump over an obstacle for the 2-squares advance.
+ li Captain = Rook limited to 2 squares maximum.
+ li.
+ Lieutenant = Bishop limted to two squares maximum.
+ It can also move horizontally by one square, without capturing.
+ li General = Rook + King
+ li Warlord = Bishop + Knight
+
+h3 Some details
+
+p The game essentially follow usual chess rules, with a few exceptions:
+ul
+ li.
+ A black (Spartian) King can go or remain under check, and even be captured,
+ as long as another king is still on the board.
+ li.
+ White (Persians) win either if only one checkmated black king remains,
+ or, if they can checkmate both kings at the same time.
+ li.
+ Pawns promote in a piece of their army. Hoplite can additionally
+ be promoted into King if only one remains.
+
+p No en passant captures, and Black cannot castle.
+
+h3 More information
+
+p
+ | See the
+ a(href="https://www.chessvariants.com/rules/spartan-chess")
+ | chessvariants page
+ | .
+
+p Inventor: Steven Streetman (2010)