Dear Customer / To Whom It May Concern,

You may have received from Ioffe Marine software that contained some open source software. Specifically, we may have distributed to you products that contained code from a version of Sjeng, an open source software program developed by third parties without any affiliation to Ioffe Marine. Such products include the Ioffe Marine Caissa Chess and Caissa Chess Pro.

If we distributed Ioffe Marine Caissa Chess and Caissa Chess Pro to you, we want you to know that you were granted a license to that software under the terms of the GNU General Public License, Version 2 (“GPL”; a copy of which is available from The GPL allows you to freely copy, modify and redistribute that software and no other statement or documentation, including any End User License Agreement, places any additional restrictions on what you may do with that software.

Further, for at least three (3) years from the date of this notification, we will give to any third party who contacts us at the contact information provided below, for a charge no more than our cost of physically performing source code distribution, a complete machine-readable copy of the corresponding source code for Ioffe Marine Caissa Chess and Caissa Chess Pro.

Contact Information for Requesting Source Code

Ioffe Marine Programming Company Email: support@… Attn: Open Source Compliance Officer

We have also made that source code freely available to you and any other member of the public via our website at


Ioffe Marine Programming Company

Last modified 14 years ago Last modified on 10/11/10 23:20:22
Note: See TracWiki for help on using the wiki.