Trying to figure out how to setup the board with only certain pieces on the board.
For example black king and white king and white queen. Or black king and white king with white rook. Trying to study the box method in the endgame.
You can use an analysis board.
https://support.chess.com/en/articles/8583825-how-do-i-use-the-analysis-board
If you want to play the position against the computer, https://support.chess.com/en/articles/8572788-how-can-i-play-the-computer-from-a-custom-position
Trying to figure out how to setup the board with only certain pieces on the board.
For example black king and white king and white queen. Or black king and white king with white rook. Trying to study the box method in the endgame.