Curiouser and curiouser--Alice Chess

'Standard' (30 days + 1 day/move)
This game is being played under Alice Chess 1 rules. Click the 'info' tab for more information.
1. c4
Clock started on 7/25/2004
1... e5 2. f3 Be7 3. h4 Nf6 4. Qc2 O-O 5. Nc3 Nc6 6. d3 Bc5 7. Nh3 d6 8. Rg1+ Kh8 9. Bh6 Re8 10. Rgd1 Qe7 11. b3 Bf5 12. Ne4 Bb4 13. a3 Ba5+ 14. b4 Bb6 15. Qh2 d5 16. Nc3 Ng4 17. Qh5 Bxh3 18. gxh3 Qg5 19. f4 Qf6 20. Qg5 Qf2+ 21. Kd2 Qg2+ 22. Kc1 Be3+ 23. Bd2 Bxd2 24. Qxd5 Be3+ 25. Kb1 Qg1 26. Bg2 Qf2 27. Be4 Rab8+ 28. Bxb7 Rxb7 29. Na4 Reb8+ 30. Nb6 Qxb6+ 31. Kc2 Re8 32. Qd7 Qg6 33. Rg1 Qe4+ 34. Kc3 Bd4+ 35. Kd2 Be3+ 36. Kc3 Qd4+ 37. Kc2 Reb8 38. Rgb1 Qxc4+ 39. Kd1 Qc1#
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

 

rnbqkbnr/ppppppp1/8/8/8/8/PPP11PPP/RNBQKBNR

 

8/8/8/7p/3PP3/8/8/8

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

 

rnbqkbn1/ppppppp1/8/8/8/8/PPP11PP1/RNBQKBNR

 

8/8/8/7p/3PP3/8/7r/8

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

 

4Q3/3k1B2/3p4/8/8/8/PPPP2PP/RNB1K1NR

 

rnb2bnr/ppp1p1pp/8/8/4P3/8/5q2/8

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

 

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR

 

8/8/8/8/8/8/8/8

 

2.2. Alice Chess 2

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

Board ABoard B

 

8/8/8/8/8/8/PPPPPPPP/RNBQKBNR

 

rnbqkbnr/pppppppp/8/8/8/8/8/8

 

3. Game hints

See the following resources for playing suggestions:

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

ChessVariants.org 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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