Add .EXPORT_ALL_VARIABLES target to make build targets work that
depend on redefining CC etc.
update release date for 17.3
remove some unused variables
fix a typo
Use C++ string handling instead of C strings. Output line # when
errors occur.
book and ECO mapping updates
simply & tune late-move pruning code and remove vestiges of history
pruning (+3 ELO)
update test results
Widen somewhat the range of conditions that will prevent
a move from being pruned, based on the null-move threat (if
there is one).
add test for wouldAttack. Fix PGN test
fix assert
remove unused function skip_space
Move perft to MoveGenerator class. Add perft test cases to unit test suite
bug fix in Board::wouldAttack
bug fixes in code that reads FEN strings
revert bad change to FEN reader
Consolidate some common code into functions. Bug fixes to Winboard
analyze mode.
remove some unused variables/code
remove some unused variables/code
book and ECO mapping updates.