Installing on Windows
Installing on UNIX
Installing on Macintosh
Licensing
If You Need Installation Assistance
IDL 7.1 Release Notes

There are two installation packages:
idl711win32_setup.exe for 32-bit Windows systems
idl711win64_setup.exe for 64-bit Windows systems



Note If you have a 64-bit Windows system, use the 64-bit installation package. It includes both 32-bit and 64-bit versions of IDL.



The installation program will un-compress files to a temporary space on your system drive. There must be sufficient space (500 MB) on your system drive before the installation process can begin. After installation, IDL 7.1 requires approximately 380 MB of disk space.
Windows XP and Vista are supported. (On 32-bit Windows XP systems, XP Service Pack 2 is required.)
You need Administrator privileges to install IDL. If you do not have such privileges, the installation process will fail because it cannot modify the system configuration.

Click on the link to download IDL 7.1.
In the Save As dialog, specify a location to save the executable file you are downloading (idl711win32_setup.exe for 32-bit Windows or idl711win64_setup.exe for 64-bit Windows) and click Save.
After the download is complete, go to the location where you saved the idl711win32_setup.exe or idl711win64_setup.exe file and double click on it to begin installing IDL.
Click Next to begin the installation process.
Read and accept the license agreement.
Choose the destination folder. The default installation path is C:\Program Files\ITT
Select the features to install. Typical installation features are pre-selected.
If you selected to install DICOM Network Services, you will be prompted about automatically starting the Network Services.
Begin the installation. Click on Next from the Start Copying Files dialog.
After installation, you are given the opportunity to license IDL. Licensing information for IDL 7.1 is provided here.
Release notes are included along with the IDL 7.1 installation, but see the IDL web site for late-breaking information.

IDL 7.1 requires approximately 675 MB of disk space.
If you plan to install IDL in a public directory, be sure you have root (or similar) permissions before running the installer.

Van Perlo 39-s Endgame Tactics Pdf Link

It includes over 1,300 examples, ranging from simple to advanced, ensuring you see every conceivable type of tactical trick [1].

The Sunny Side of Chess: Why ’s Endgame Tactics is a Must-Read

Stunning stalemate traps that turn a lost position into a draw. Underpromotion tricks that catch opponents off guard. Zugzwang motifs executed in open positions. 3. An Engaging, Conversational Tone

By choosing one of these legal avenues, you directly support the creators and ensure the continued publication of high-quality chess literature.

9.5/10 Target audience: Club players (1200–2000 Elo) and advanced players who hate drawing. One final note: If you love the PDF, buy the book. Van Perlo deserves a spot on your shelf next to Dvoretsky and Nunn. van perlo 39-s endgame tactics pdf

Simply flipping through the pages is not enough to absorb the tactical richness of this book. To truly benefit, consider these active learning strategies:

is a massive collection of over 1,300 practical examples from real games. It highlights the drama of the final phase—clever tricks, gruesome blunders, and unexpected saves.

In theoretical manuals, stalemate is often treated as a basic rule taught to beginners. Van Perlo demonstrates how world-class players frequently overlook hidden stalemate traps when they are on the verge of victory. The book showcases how a player down massive amounts of material can construct a "desperado" piece or a king fortress to force a draw. 2. Mating Nets with Minimal Material

His legendary work, , has become a cult classic. For the attacking player, the swindler, and the practical fighter, this book is the Holy Grail. If you are searching for the Van Perlo 39-s endgame tactics PDF (likely a typo for the 5th edition or referencing the author's birth year 1932-39), you are looking for the ultimate collection of surprise weapons in the final phase of the game. It includes over 1,300 examples, ranging from simple

Van Perlo's 39 Endgames Tactics PDF is an invaluable resource for any chess player looking to improve their endgame skills. With its clear explanations, practical examples, and comprehensive coverage of essential endgames, this book is a must-have for anyone serious about improving their chess game. Whether you're a beginner, intermediate, or advanced player, Van Perlo's 39 Endgames Tactics PDF is an essential tool for mastering endgame tactics and taking your chess game to the next level.

work turns that notion on its head by focusing on the "sunny side" of chess: the tactical fireworks that occur when the board is nearly empty. The "Sunny Side" of the Endgame

Discovering the hidden tactics in king and pawn battles, such as breakthrough combinations and unexpected opposition changes [1].

At various times, physical copies published by New In Chess have gone out of stock, leading players to search for digital alternatives online. Zugzwang motifs executed in open positions

The book is organized to build your skills progressively. You will find extensive coverage of:

The book's unique character is a direct reflection of its author, Ger van Perlo (1932-2010). He was not a typical grandmaster who competed in top-level over-the-board tournaments. Instead, Van Perlo was a legendary .

Forcing the opponent into a position where any move they make destroys their defense.

IDL 7.1 requires approximately 400 MB of disk space.
Mac OS 10.5.1 (or later) is supported.
The Apple X11 Window System must be installed from the Mac OS X CD-ROM (it is not installed by default).
If you plan to install IDL in a default directory (/Applications/), be sure you have administrator privileges before running the installer.

Click on the link to download the full version of IDL 7.1. Make note of the location to which you are downloading the ZIP file.
If the ZIP file does not unpack itself automatically, double-click on the idl711mac.zip file to unpack it. Unpacking the file will create a folder named idl711mac.
Open the idl711mac folder and double-click on the Install icon to begin the installation.
Read the Software License Agreement and click on Next to continue.
Select the installation folder. The default installation directory is /Applications/, under which the installer creates the itt/idl71 directory. To modify this location, click on Choose. The path you specify must not contain any spaces in the folder names. Click Next to begin the installation.
Select the install set. Choose IDL to install the full version of IDL or Custom to customize the packages to install.
Confirm the install settings and options.
Click Install to begin the installation.
If you selected to install DICOM Network Services, you will be prompted about automatically starting the Network Services.
After installation, you are given the opportunity to license IDL. Licensing information for IDL 7.1 is provided here.
Release notes are included along with the IDL 7.1 installation, but see the IDL web site for late-breaking information.

Set up your environment. Before running the licensing wizard, you must define several environment variables used by IDL. You can use predefined setup files included with IDL to define these variables.

For C shell:

source ITT_DIR/idl71/bin/idl_setup  

For Korn shell:

. ITT_DIR/idl71/bin/idl_setup.ksh  

For Bash shell:

. ITT_DIR/idl71/bin/idl_setup.bash  

where ITT_DIR is the main installation directory for IDL.

Start the Licensing Wizard. To start the License Wizard, enter ittlicense at the UNIX prompt.

Select Activate a license using the internet.
Click Next. The licensing wizard will launch a web browser and open the ITT Visual Information Solutions licensing web site.
Enter your username and password and click Submit. Follow the instructions on the web site to generate your license key.
After you generate your license key, your IDL 7.1 license information is displayed in the License Wizard. A copy is sent to your electronic mail address.



Note On some platforms, the license information is not automatically transferred to the License Wizard. If the information is not transferred, copy it from the web browser window and paste it into the License Wizard.



Click Next to write your license into the correct location on your computer.
The licensing wizard will display the location of your license file. Click Exit to close the wizard. Your copy of IDL 7.1 is now licensed and ready to use.