Do not announce a demo video (difficult to cover all in a video)
[vchess.git] / views / rules / Alice / en.pug
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2 | Every move played ends up on another board (the "other side of the mirror").
3 | There are two boards. All pieces start on board 1.
4
5h3 Specifications
6
7ul
8 li Chessboard: standard.
9 li Material: standard + Alice pieces.
10 li Non-capturing moves: standard.
11 li Special moves: standard.
12 li Captures: standard (if on same board).
13 li End of game: standard.
14
15h3 Basics
16
17p
18 | Two boards are used in this variant. Pieces from board 2 are represented on
19 | the main board, upside down.
20 | Any move played must be valid on the board it is played on.
21 | In addition, the final square should not be occupied by a piece from the other board
22 | (thus allowing to represent all on one board).
23
24p Notation for Alice pieces was chosen as follow:
25ul
26 li Pawn : S
27 li Rook : U
28 li Knight : O
29 li Bishop : C
30 li Queen : T
31 li King : L
32
33figure.diagram-container
34 .diagram
35 | fen:rnbqkbnr/ppp1pppp/8/8/2p5/5O2/PP1PPPPP/RNBQKB1R:
36 figcaption After the moves 1.Nf3 Pd5 2.Pc4 Sxc4
37
38h3 End of the game
39
40p
41 | As in the orthodox game, win by checkmating the king. It shouldn't be able to
42 | escape the check, not even by moving to the other board.
43
44p.
45 Note: en-passant and castle occur as they do in the standard game.
46 More specifically, en-passant is possible regardless of the worlds pawns are in.
47 This is justified because pawns "go through the mirror" while moving, and can
48 thus be captured either right after or just before they pass the mirror.
49 Castling should be legal according to orthodox rules on the board 1 (it cannot
50 occur on board 2, because it would mean king and rook moved). Moreover, the
51 king cannot be in check on board 2 after castling.
52
53h3 Credits
54
55p
56 | Alice chess pages on
57 a(href="https://www.chessvariants.com/other.dir/alice.html") chessvariants.com
58 |  and on
59 a(href="https://www.schemingmind.com/journalarticle.aspx?article_id=9")
60 | schemingmind.com
61 | .