-p.boxed
- | Every move played ends up on another board (the "other side of the mirror").
- | There are two boards. All pieces start on board 1.
+p.boxed.
+ Every move played ends up on another board (the "other side of the mirror").
+ There are two boards. All pieces start on board 1.
-h3 Specifications
-
-ul
- li Chessboard: standard.
- li Material: standard + Alice pieces.
- li Non-capturing moves: standard.
- li Special moves: standard.
- li Captures: standard (if on same board).
- li End of game: standard.
-
-h3 Basics
-
-p
- | Two boards are used in this variant. Pieces from board 2 are represented on
- | the main board, upside down.
- | Any move played must be valid on the board it is played on.
- | In addition, the final square should not be occupied by a piece from the other board
- | (thus allowing to represent all on one board).
+p.
+ Two boards are used in this variant (represented on only one).
+ Upside-down pieces appear at every "normal" pieces moves: they live on
+ another board. When moved, they return to the initial board.
+ Orthodox rules apply on each board.
+ In addition, the final square should not be occupied by a piece from the
+ other board (thus allowing to represent all on one board).
p Notation for Alice pieces was chosen as follow:
ul
| fen:rnbqkbnr/ppp1pppp/8/8/2p5/5O2/PP1PPPPP/RNBQKB1R:
figcaption After the moves 1.Nf3 Pd5 2.Pc4 Sxc4
-h3 End of the game
+p.
+ En-passant and castle occur as they do in the standard game.
+ More specifically, en-passant is possible regardless of the worlds pawns
+ are in. This is justified because pawns "go through the mirror" while moving,
+ and can thus be captured either right after or just before they pass the
+ mirror.
+ Castling should be legal according to orthodox rules on the board 1 (it
+ cannot occur on board 2, because it would mean king and rook moved).
+ Moreover, the king cannot be in check on board 2 after castling.
-p
- | As in the orthodox game, win by checkmating the king. It shouldn't be able to
- | escape the check, not even by moving to the other board.
+h3 End of the game
p.
- Note: en-passant and castle occur as they do in the standard game.
- More specifically, en-passant is possible regardless of the worlds pawns are in.
- This is justified because pawns "go through the mirror" while moving, and can
- thus be captured either right after or just before they pass the mirror.
- Castling should be legal according to orthodox rules on the board 1 (it cannot
- occur on board 2, because it would mean king and rook moved). Moreover, the
- king cannot be in check on board 2 after castling.
+ As in the orthodox game, win by checkmating the king.
+ It shouldn't be able to escape the check, not even by moving to the other
+ board.
h3 More information
p
| See the Alice chess pages on
- a(href="https://www.chessvariants.com/other.dir/alice.html") chessvariants.com
+ a(href="https://www.chessvariants.com/other.dir/alice.html")
+ | chessvariants.com
| and on
a(href="https://www.schemingmind.com/journalarticle.aspx?article_id=9")
| schemingmind.com
projects / vchess.git / blobdiff