OptionaldepthOptionaljobsroot moves searched at once (default: hardware threads capped at 8, else 4)
Optionalmaxhard cap on visited positions; the best completed iteration is returned past it
Optionalsignalaborting stops the search at the next check and keeps the best completed iteration
Optionaltimesoft wall-clock budget in milliseconds; checked every few thousand nodes
plies to search; the iterative deepener completes 1..depth while the budget lasts