EXchess is an experimental chess engine supporting the following features:

	* Support for Tim Mann's XBoard.
	* Analysis features of XBoard.
	* Brute force searches to 60 ply (1 ply = a move by one side).
	* Hash tables for storing positions already visited in the search.
	* Pondering. (Thinking on the opponent's time.)
	* Recursive null move pruning.
	* Quiescent capture search.
	* Adjustable hash table size.
	* Adjustable search and evaluation parameters.

Homepage:
https://personal.denison.edu/~homand/EXchess.htm
