This directory contains the program and its database for Double Chess for PalmOS (tm).

You need to install dblchess.prc and dblchess.pdb on your PalmOS (tm) PDA.

The source directory contains the source that was used to build the program.
It was written in C++ using the GNU PRC-Tools development environment.

The main file is "document.cpp".

All trademarks are the property of their respective owners.

"sales.txt" contains a copy of the Sales Agreement.

History

v2.0
  Added several playing levels--low, medium, and high
    High corresponds to the level in v1.3--the other two are much faster
  Added several different board colors (black and white or gray for grayscale machines)
  Three different sets of pieces to choose from in regular, single-board chess
  Added ability for computer to either play the opposite side in double-board mode, or
  to play three of the four sides (either opposite plus the left board or opposite plus
  the right board)
  All new features are available from the "Preferenecs" dialog under the "Options" menu

v1.3
  Fixed a crash when switching to another program
  Added save and restore of game when switching to another program
  Added faster exit from single-board mode

v1.2
  Improved playing strength
  Add "Loading" and "Closing" labels

v1.1
  Fixed a bug with queen, rook, and bishop captures

v1.0
  Initial release
