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Morpion solitaire/Unicon: Difference between revisions
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* The ability to reproduce purely random games from the random number seed
* Limiting the initial random moves to 1 of 4 cases (inside corners (1 type) x 8, outside corners (2 types) x 8, outside valley (1 type x 4)) not 1 of 28. In the case of this program these are all in the North East quadrant.
* Plays both 5T (by default) and 5D variants
* Plugable modules for functions including applying player strategy, position evaluation (fitness/heuristics)to facilitate quick experimentation, changing game read/write functions, etc., etc.
Using random play in many summary runs, the highest (5T) score achieved was
The ability to replay recorded games provides a way to study the behaviour of the problem. Selecting successful random games, truncating them and running multigame simulations using a successful base shows that the seeds of success are sown early. It was possible to better the results of good random game scores (mid 80s) pushing the new scores up into the mid 90s. Unfortunately this technique when applied to Chris Rosin's 177 move record game did not produce any new records :(. Surprisingly however, it was possible to produce games in the high 160's! using random play with a truncated (approx 60%) version of this game.
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Internally, the grid is automatically expanded as needed whenever a cell is played on an outer edge. When this happens only the affected side is expanded. As a side effect the grid numbering will seem unusual. The game log shows all row/col coordinates relative to the 1,1 origin located at the intersection of the lines containing top and left most edges of the cross. A fixed grid might be more efficient. With the ability to detect an off page condition and save and replay the game later this could be easier to deal with. The issue of grid origin comes up all the time when working with the code and debugging output.
The program produces a crude ASCII art grid; however and more importantly it produces a game log that can be replayed in the Pentasol free player. This can be used to capture graphical grids as well as providing independent validation of the games.
Most of the [http://www.morpionsolitaire.com/English/RecordsGrids5T.htm Record Games] have downloadable games in this notation. For example [http://www.morpionsolitaire.com/Grid5T178Rosin.txt Chris Rosin's 178 move grid].
For more see: Morpion -h|-help
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