X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=views%2Frules%2FBaroque%2Fen.pug;fp=views%2Frules%2FBaroque%2Fen.pug;h=0000000000000000000000000000000000000000;hb=625022fdcf750f0aff8fcd699f7e9b89730e1d10;hp=fb781641037f95e1ab548ef96eb69a06e1d04feb;hpb=b955c65b942d09d24b5c3bed0d755d4f2f8f71f1;p=vchess.git diff --git a/views/rules/Baroque/en.pug b/views/rules/Baroque/en.pug deleted file mode 100644 index fb781641..00000000 --- a/views/rules/Baroque/en.pug +++ /dev/null @@ -1,173 +0,0 @@ -p.boxed - | Most pieces look the same but behave very differently. - | They generally move like an orthodox queen, - | but capturing rules are complex. - -p - | Note: 'Baroque' is the initial name thought by the author, - | but 'Ultima' is also largely adopted. - a(href="https://www.chessvariants.com/people.dir/abbott.html") - | He prefers 'Baroque' - | , and I think me too. - -h3 Specifications - -ul - li Chessboard: standard. - li Material: "standard". - li Non-capturing moves: often like queen. - li Special moves: none. - li Captures: very special. - li End of game: standard; see below. - -h4 Pieces names - -p Pieces names refer to the way they capture, which is described later. -ul - li Pawn : pawn or pincer - li Rook : coordinator - li Knight : long leaper - li Bishop : chameleon - li Queen : withdrawer - li King : king (same behavior as in standard chess) -p. - Besides, a new piece is introduced: the immobilizer, written by the letter 'm' - in FEN diagrams and PGN games. It is represented by an upside-down rook: - -figure.diagram-container - .diagram - | fen:8/8/4m3/8/8/8/3M4/8: - figcaption Immobilizers on d2 and e6. - -h3 Non-capturing moves - -p. - Pawns move as orthodox rooks, and the king moves as usual, - one square in any direction. - All other pieces move like an orthodox queen. - -p. - When a piece is adjacent to an enemy immobilizer, it cannot move unless - the enemy immobilizer is adjacent to a friendly immobilizer or chameleon - (cancelling the powers of the opponent's immobilizer). -p - | Note : this corresponds to the "pure rules" described on - a(href="http://www.inference.org.uk/mackay/ultima/ultima.html") this page - | , which slightly differ from the initial rules. - | The aim is to get rid of the weird suicide rule by weakening the immobilizers lock. - | In particular, in the original rules two adjacent immobilizer are stuck forever - | until one is captured. Note that it's still the case if all chameleons disappeared. - -h3 Capturing moves - -p. - Easy case first: the king captures as usual, by moving onto an adjacent square - occupied by an enemy piece. But this is the only piece following orthodox rules, - and also the only one which captures by moving onto an occupied square. - All other pieces capture passively: they land on a free square and captured - units are determined by some characteristics of the movement. - -p Note 1: the immobilizer does not capture. - -p. - Note 2: for passive captures, a 'X' is added at the end of the move notation, - to indicate that something was taken (replaying the game is necessary to know where). - -h4 Pawns/Pincers - -p. - If at the end of its movement a pawn is horizontally or vertically adjacent to an - enemy piece, which itself is next to a friendly piece (in the same direction), - the "pinced" unit is removed from the board. - -figure.diagram-container - .diagram - | fen:7k/5ppp/2N5/2n5/3rB3/8/PPP5/K7: - figcaption 1.Pc2c4 captures both coordinator and long leaper. - -h4 Coordinators (rooks) - -p. - Imagine that rook and king of the same color are two corners of a rectangle - (this works if these two pieces are unaligned). - If at the end of a rook move an enemy piece stands in any of the two remaining - corners, it is captured. - -figure.diagram-container - .diagram - | fen:8/2b4K/2q5/3p1N1p/8/8/2R5/k7: - figcaption 1.Rc5 captures on c7 and h5. - -h4 Long leapers (knights) - -p. - A knight captures exactly as a queen in international draughts game: by jumping - over its enemies, as many times as it can/want but always in the same direction. - In this respect it is less powerful than a draughts' queen: - on the following diagram c8 or f6 cannot be captured. - However, the knight does not have to maximize the number of captured units - (as is the case in draughts). - -figure.diagram-container - .diagram - | fen:2n4k/3r4/5b2/3p4/1m6/3b4/3N4/K7 d4,d6,d8,a5: - figcaption All marked squares captures are playable from d2. - -h4 Withdrawer (queen) - -p. - The queen captures by moving away from an adjacent enemy piece, in the opposite - direction (without jumping, the path must be free). - -figure.diagram-container - .diagram - | fen:7k/8/8/3Qr3/8/8/8/K7 a5,b5,c5: - figcaption 1.Qa5, 1.Qb5 or 1.Qc5 captures the black rook. - -h4 Chameleon (bishop) - -p The chameleon captures pieces in the way they would capture. So, it -ul - li pinces pawns (if moving like a pawn), - li withdraws from withdrawers, - li leaps over long leapers, - li coordinates coordinators. -p ...and these captures can be combined. - -p. - Remark: the move indicated on the diagram doesn't capture the black pincer - on e5, since it is a diagonal move (not like a pawn). - -figure.diagram-container - .diagram - | fen:7k/8/8/r3pP2/2n5/8/B7/K7 a5,c4: - figcaption 1.Bd5 captures the two marked pieces. - -p. - Besides, chameleon immobilizes immobilizers (but cannot capture them since they - do not capture). - -p. - A chameleon captures the king in the same way the king captures, which means that - a chameleon adjacent to a king gives check. - -h3 End of the game - -p. - Checkmate or stalemate as in standard chess. Note however that checks are more - difficult to see, because of the exotic capturing rules. For example, on the - following diagram the white king cannot move to e5 because then - the black pawn could capture by moving next to it. - -figure.diagram-container - .diagram - | fen:7k/8/8/p4r/4K3/8/8/8 e5: - figcaption 1.Ke5 is impossible - -h3 More information - -p. - | A good starting point is the - a(href="https://en.wikipedia.org/wiki/Baroque_chess") Wikipedia page - | , which also gives pointers to other interesting pages (including - | chessvariants.com, as usual).