Alice's challenge

'Fast' (10 days + 1 day/move)
This game is being played under Alice Chess 1 rules. Click the 'info' tab for more information.
1. Nf3
Clock started on 5/3/2006
1... d5 2. d4 Qxd1 3. Ne5 Qxd4 4. Nxf7 Qxb2 5. e3 Qe5+ 6. e4 Qxe4 7. Nc3 Qe5+ 8. Ne2 Qxe2 9. Bg5 Qe5+ 10. Kd2 Qxa1 11. Bb5 Bd7 12. Ba4+ Bc6 13. Bxc6 Nf6 14. a4 Qxa4 15. Rc1 e5 16. Nxe5 Qd4+ 17. Nd3 Bb4+ 18. Ke2 Qe4+ 19. Be3 Qxg2 20. Bb6 O-O 21. Nxb4 Qg4+ 22. Ke3 Qg5+ 23. Kd3 Qxc1 24. Bxd5 Qxc2 25. Be6+ Kh8 26. Bd4 Qd1+ 27. Kc4 Qc1+ 28. Kd3 Qd1+ 29. Kc4 Rd8 30. Bd5 Rxd5 31. Kc3 Qxd4 32. Nc6 Rc5+ 33. Kb3 Qb6 34. Ne7 Qb5+ 35. Ka3 Ra5 36. Ng6 Ra6#
Black win

Alice Chess is chess variant played on two boards, moving pieces jump between them.


1. Game Rules

Alice Chess is played on two standard chess boards (A and B), with one set of standard chess pieces.

After each move, the moving piece is transposed to the corresponding square on the opposite board. Moves must be legal on the board on which they are made, and you can only move if the destination square is vacant on the opposite board. You can't move through check, even if that move would transport your king to the opposite board.

For example, here is the position after (in Alice1 game) white played e2-e4, black replied h7-h5, and white played d2-d4:

Board ABoard B





You are free to move using any piece, whether it is on the board A, or board B (note that piece moved on the board B will return to the board A).

Captures are allowed and are made on the same board, on which capturing and captured pieces are initially placed (transposition to the other board happens after capturing). For example, in the position above, black can play Rh8xh2, achieving the following position:

Board ABoard B





The game ends in checkmate - when the king is under check, and can not escape, or be protected. For example, here is the checkmate from some Alice2 game. Black king can not escape to c7, because it is not empty on the other board (note that white queen moved from h5 on the board B, if before the move it were on board A, it would be transposed and no checkmate would occur):

Board ABoard B





Castling is allowed (both king and rook are transported), en-passant is not allowed.

On SchemingMind Board A is displayed in the normal place, Board B can be seen by selecting the 'Alice' tab in the right hand panel. The analysis board shows both boards superimposed on each other.


2. Alice Chess 1 versus Alice Chess 2

There are two variations of Alice Chess played at SchemingMind. They differ in the initial setup.


2.1. Alice Chess 1

The game starts using the Standard Chess start array on board A, board B starts empty.

Board ABoard B






2.2. Alice Chess 2

Alice 2 is similar to Alice 1, however the black pieces start on Board B.

Board ABoard B






3. Game hints

See the following resources for playing suggestions:

Journal Article about Alice Chess (a lot of suggestions, and commented game), article

article on BCVS site (game rules, a couple of commented games)


4. Example games

a king's hunt - Black has a mate in one, but white chases the king all over the board and wins.

more welcome

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