shelter_file 130 src/eval.cpp static int shelter_file (const board_t * board, int file, int rank, int colour); shelter_file 1797 src/eval.cpp penalty += shelter_file(board,file,rank,colour) * 2; shelter_file 1798 src/eval.cpp if (file != FileA) penalty += shelter_file(board,file-1,rank,colour); shelter_file 1799 src/eval.cpp if (file != FileH) penalty += shelter_file(board,file+1,rank,colour);