Chess2u
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descriptionChess22k EmptyChess22k

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Chess22k
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Homepage : https://github.com/sandermvdb/chess22k

Author : Sander Maassen van der Brink

License : GPL3

UCI chess engine written in JAVA

Version : 1.6

ELO : +/- 2800

Download cross-platform JAVA 8 executable : https://drive.google.com/open?id=1fDkS-u3EZfyvxF9wctECKuoXPDLGXnyK

Download cross-platform JAVA 9 executable : https://github.com/sandermvdb/chess22k/releases/download/1.6/chess22k-1.6.jar

descriptionChess22k EmptyChess22k 1.7

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chess22k
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Version : 1.7

ELO : +/- 2900

Download cross-platform JAVA 8 executable : https://drive.google.com/open?id=1GanZdlKngWoVNmrlOcviK6Yq8OKnFtrI

Download cross-platform JAVA 9 executable : https://github.com/sandermvdb/chess22k/releases/download/1.7/chess22k-1.7.jar

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chess22k 1.8

Score is about 2950 elo

- generation of pseudo-legal moves (no elo gain but cleaner code)
- refactored move generation class
- implemented late move pruning
- updated pruning margins (same as Laser)
- removed matethreat
- removed non significant eval terms
- added space evaluation
- use a material hash
- evaluate imbalances using # of pieces
- use full key when validating eval, pawn, material hash hit

https://github.com/sandermvdb/chess22k/releases/tag/1.8
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https://github.com/sandermvdb/chess22k

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chess22k 1.10

https://github.com/sandermvdb/chess22k/releases

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chess22k 1.11

https://github.com/sandermvdb/chess22k/releases/tag/1.11

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