License

This software is: © Copyright 2002 by Peter van Merkerk.

The author (Peter van Merkerk) grants permission to use, copy, modify and distribute this software and its documentation for any non-commercial purpose and without fee, under the terms and conditions described in this license.

No Warranty

This software is provided 'as-is', without any express or implied warranty as to its suitability or fitness for any particular use. It may contain bugs, so use of this application is at your own risk. I take no responsibility for any damage, including loss of data, that may unintentionally be caused through its use. In no event will the author be held liable for any damages arising from the use of this software.

Commercial use

This software may not be used in any form in a commercial product, without written consent from Peter van Merkerk.

Redistribution

This software may be redistributed, provided that:

Each copy that is distributed contains a copy of this agreement and any other documentation pertaining to this Software.
You do not charge a fee for the distribution of this Software on any media with the exception of the cost of the media that it is supplied on or with. In the case where the medium is physical, on production, a complimentary copy of the media shall be supplied to Peter van Merkerk free of charge.

Modifications

Modifications to this software may be distributed under the following additional terms:

An acknowledgement or thanks must be provided in the README documentation for the use of this product, providing a link to the http://www.dse.nl/~merkerk/chessmate website.
Any existing acknowledgements and.or copyright notices are not removed or hidden in anyway.
The version number will be modified as follows:
1. The first 3 components of the version number (i.e x.y.z) will remain unchanged
2. A new component will be appended to the version number to indicate the modification level. The form of this component is up to the author of the modifications.
The modified software is released under the same terms and conditions as described by this license.
The modified software is not used in a commercial product.