- var square_width = Math.floor(($("#board").width() - 1) / 8);
- var from_y = (7 - arrow.from_row + 0.5)*square_width + 1;
- var to_y = (7 - arrow.to_row + 0.5)*square_width + 1;
- var from_x = (arrow.from_col + 0.5)*square_width + 1;
- var to_x = (arrow.to_col + 0.5)*square_width + 1;
+ var square_width = $(".square-a8").width();
+ var from_y = (7 - arrow.from_row + 0.5)*square_width;
+ var to_y = (7 - arrow.to_row + 0.5)*square_width;
+ var from_x = (arrow.from_col + 0.5)*square_width;
+ var to_x = (arrow.to_col + 0.5)*square_width;