2006 Chess Variants Tournament, Round 5

'Fast' (10 days + 1 day/move)
This game is being played under Alice Chess 1 rules. Click the 'info' tab for more information.
1. d4
Clock started on 7/17/2006
1... Nf6 2. d5 d6 3. e3 Qxd5 4. Nc3 Qe4+ 5. Ne2 Qxe2 6. Bd3 Qh5 7. Qxh5 Nxh5 8. h3 g6 9. Bb5+ Kd8 10. Bg5+ f6 11. Bh4 g5 12. Bg3 Bh6 13. Rd1 Re8 14. Bxd6+ exd6 15. Rxh5 Re6+ 16. e4 Rxe4 17. Rxh6 Re5+ 18. Kd2 Rxb5 19. Rxh7 Nc6 20. Re1 Bf5 21. Rhe7 Re8 22. Rf7 Rb6 23. Kc3 Be6 24. Nf3 Bxa2 25. Ra1 Bxf7 26. Ne5 Bd5 27. b3 Re2 28. Kd3 Be4 29. Nf7+ Ke8 30. Kc3 Ke7 31. Ne5 Bxg2 32. Rh1 Rxc2 33. Rh7+ Ke6 34. Rh6+ Kxe5 35. Rxb6 Bxh3 36. Rb8 Na5 37. Kd3 Rb2 38. f3 g4 39. f4 g3 40. Re8+ Kf5 41. Ke3 g2 42. Rf8+ Ke6 43. Re8+ Kf7 44. Re1 Rf2 45. b4 Rf1 46. Ke2 Rxe1+ 47. Kxe1 g1=Q+ 48. Kd2 Qd4+ 49. Kc2 Nc4 50. Kb3 Qe4 51. b5 a5 52. Kc3 a4 53. b6 cxb6 54. f5 Na5 55. Kd2 a3 56. Kc1 Qg2 57. Kb1 d5 58. Kc1 a2 59. Kd1 a1=Q#
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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