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Tag: Computer Chess

Transposition Table and Zobrist Hashing

March 2, 2019 aberent

An Alpha Beta search will often have to consider the same position several times. This occurs due to the fact that in chess there are many ways to reach the same piece arrangement. For this reason most chess engines implement a Transposition Table that stores previously searched positions and evaluations.

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Posted in: Computer Chess, Computer Programming Filed under: ChessBin, ChessBin.com, Computer Chess

Performance Reconstruction Phase Three

aberent

It’s this time again. The time where I realize that I made a poor decision somewhere in my design and a small portion of my code has to be re-written.

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Posted in: Computer Chess, Computer Programming Filed under: ChessBin, ChessBin.com, Computer Chess

Some Performance Optimization Advice

aberent

Over the last year of development of my chess engine, much of the time has been spent optimizing my code to allow for better and faster move searching. Over that time I have learned a few tricks that I would like to share with you.

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Posted in: Computer Chess, Computer Programming Filed under: ChessBin, ChessBin.com, Computer Chess

Completing the chess engine

aberent

Now that we have all the necessary parts for keeping track of our chess pieces, generating valid moves and searching for the best computer move, we are ready to put it all together and complete our chess engine.

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Posted in: Computer Chess, Computer Programming Filed under: ChessBin, ChessBin.com, Computer Chess

Forsyth–Edwards Notation

aberent

In this post I am going to discuss Forsyth-Edwards Notation (FEN) and its implementation in a chess engine. FEN is a standard way of describing a chess position, containing enough information to restart the chess game from that position. It is based on a notation developed by a Scottish journalist, David Forsyth in the 19th century.

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Posted in: Computer Chess, Computer Programming Filed under: ChessBin, ChessBin.com, Computer Chess

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Recent Posts

  • Transposition Table and Zobrist Hashing
  • Performance Reconstruction Phase Three
  • Some Performance Optimization Advice
  • Completing the chess engine
  • Forsyth–Edwards Notation

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