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descriptionFischerle EmptyFischerle

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From the author:

Hi all,
I have just released a follow-up version of my chess engine: Fischerle_0_9_50. It is available for download at http://www.stuckardt.de/index.php/schachengine-fischerle.html

The main new features are:
- the king plays a more active role in late middlegame / early endgame;
- most instances of some important types of draw (viz., particular positions of type king vs. rook pawn or king vs. rook pawn and wrong-colored bishop) are now properly recognized;
- configuration file config.ini enables the user to alter some supplementary settings (such as the font and font sizes to be employed for displaying chess pieces in Fischerle's proprietary GUI).

Moreover, a distinction is now drawn between a 64 bit and a 32 bit version. While the code base is identical, there is just one difference: in the 32 bit version, more hash table entries are assigned since their memory footprints in 32 bit environments turned out to be slightly smaller than in 64 bit environments.

I have as well added a 32 bit version to the Fischerle_0_9_30b distribution. If you'd like to continue using this older version: it is as well available at http://www.stuckardt.de/index.php/schachengine-fischerle.html

Have fun!
Roland

descriptionFischerle EmptyRe: Fischerle

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Fischerle 0.9.60
- Late Move Reduction (LMR) added.
http://www.stuckardt.de/index.php/component/docman/doc_download/51-fischerle096064or32.html

descriptionFischerle EmptyRe: Fischerle

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http://www.stuckardt.de/index.php/schachengine-fischerle.html

Fischerle_0_9_61

some minor transposition table inaccuracies eliminated;
not to be subjected to formal testing and ranking (CCRL etc.), since the differences to its predecessor Fischerle_0_9_60 regarding both playing strength and style are very small.

descriptionFischerle EmptyRe: Fischerle

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Fischerle 0.9.65

http://www.stuckardt.de/index.php/schachengine-fischerle.html

descriptionFischerle EmptyRe: Fischerle

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Fischerle 0.9.70 SE

Hi all,

I have just released a follow-up version of my chess engine: Fischerle 0.9.70 SE. It is available for download at http://www.stuckardt.de/index.php/schachengine-fischerle.html

These are the refinements:

* Fischerle now implements a weak version of singular extensions, which, in the standard setting, doesn't apply at Cut nodes. However, all key parameters can be freely altered and thus experimented with via the native GUI.
* Dedicated scoring functions for some further (typically drawn) pawnless endings have been added;
* A scoring penalty for "drawish" opposite-colored bishop endings is now implemented.
* A further search extension criterion has been added that applies when a pawn ending is reached.

The main new feature is singular extensions. Right now, it is difficult to judge whether, and possibly to what extent, Fischerle 0.9.70 SE plays stronger than its predecessor (Fischerle 0.9.65). As an educated guess, I expect it to be slightly stronger at faster time controls -- the results of some comprehensive test runs hint towards this expectation, but yet more extensive testings are of course required.

As its predecessor, Fischerle 0.9.70 SE features both a 64 bit and a 32 bit version, though it is highly recommended to run it in a 64 bit environment.

Have fun!
Roland

descriptionFischerle EmptyRe: Fischerle

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Fischerle 0.9.80 SE
http://www.stuckardt.de/index.php/schachengine-fischerle.html

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