board.push_back to push_chess; impl chess::fill_board; impl chessboard::is_solved; add class point ;
add chess_type, chess_id, remove class cao_cao, guan_yu ...
remove type chesses_t; always use chessboard
add part of move chess impl
impl move chess
impl move chess; can make
fix
build add -g flag, fix get_chess return value
add chessboard::show; fix search loop
use string mask can get result, but run with a very long time