Iterative search had some problems, and so it was removed.
However it is still an important feature for usability and to some degree even for performance.
First implementation can be a very simple version that just loops through the depths until the time runs out, but would be greatly improved by:
Iterative search had some problems, and so it was removed. However it is still an important feature for usability and to some degree even for performance. First implementation can be a very simple version that just loops through the depths until the time runs out, but would be greatly improved by: