Cut chess

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Avatar of Alex-Kunst

The game takes place on a standard chessboard, but the process of the game differs from classical chess. 
The main difference between this type of chess is that during the game the playing field can be reduced. It goes like this. If after any player’s move there is not a single piece left on the extreme vertical or horizontal line, then this vertical or horizontal line is excluded from the game. Thus, the playing field is reduced. The playing field can be reduced to 4 by 4.

Avatar of evert823

Is promotion still possible after the 8th ranks has been cut?

Avatar of T-jankins9522
Maybe the promotion rank is the seventh rank? After the eighth has been cut.
Avatar of Alex-Kunst

For example. In this position, lines a, b, c, d, 8, 7, 6 are out of play.

If the white king makes the move f2, then line 1 will be out of play. The playing field cannot decrease any further, because its size cannot be less than 4 by 4.

Avatar of Alex-Kunst

https://youtube.com/shorts/FfaXPfX9ajE?si=1TK-N4Q03p-j1IF7

Avatar of T-jankins9522
Where would blacks pawns promote if Kf2? The second rank?
Avatar of Alex-Kunst

If I understood your question correctly, then the answer is yes. Because with the king moving to f2, line 1 will be out of play and line 2 will become the edge of the board.

Avatar of T-jankins9522
That answers my question, cool game!
Avatar of Alex-Kunst

https://youtu.be/0HE7mA9tMlc?si=GlgGjmZHJu2mfrjO