The information in this section was condensed from several sources, including:
- Introduction to Chess.
By: Bill Maule and Tom Warmbrodt.
- 700 Chess Problems.
By: Mrs. W. J. Baird (1902).
- The Project Gutenberg eBook of Chess Strategy.
By: Edward Lasker.
- Chess Guide.
By: Unknown Author.
- Information submitted by visitors to www.sanarate.com
- Several documents and a great deal of information
about the chess movement in Guatemala were provided by:
: Ingeniero Gabriel Pensamiento.
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