Horizontal (Ctrl+H).
Performs horizontal symmetrical transformation of board with the position.
Vertical (Ctrl+V).
Performs vertical symmetrical transformation of board with the position.
Diagonal \ (Ctrl+\).
Performs diagonal ( axis: from left top - right bottom corner)
symmetrical transformation of board with the position.
Diagonal / (Ctrl+/).
Performs diagonal ( axis: from right top - left bottom corner)
symmetrical transformation of board with the position.