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Computer Chess Programming

HIARCS

6 December 2009

HIARCS is a commercial computer chess program developed by Mark Uniacke. Its name is an acronym stands for Higher Intelligence Auto Response Chess System.

HIARCS similar to many other games checkers and free bingo are available on many different platforms just to name a few : Microsoft Windows, Mac OS X, Windows Mobile, Freescale DragonBall and ARM-based Palm OS operating systems (since 2004), and on the iPhone and IPod Touch (since August, 2009). It is one of the few top-level chess programs which are available for Mac OS X.

Version 12, was released in April 2008, the strength of the program comes more from its positional algorithms than from its search speed. HIARCS won the silver medal behind Rybka at the 2008 World Computer Chess Championship.

Posted in Programs |

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15th World Computer Chess Championship

3 July 2007

The 15th World Computer Chess Championship has been held from 11-18 june in Amsterdam. It was won by Rybka. Complete results are in the following table.

Pos Score Program Opponent
1 2 3 4 5 6 7 8 9 10 11 12
1 10.0 Rybka X = = 1 1 1 1 1 1 1 1 1
2 9.0 Zappa = X 1 = 1 = = 1 1 1 1 1
3 7.5 Loop = 0 X 0 = 1 1 1 = 1 1 1
4 7.0 Shredder 0 = 1 X 0 = = 1 = 1 1 1
5 7.0 GridChess 0 0 = 1 X = 1 = 1 = 1 1
6 6.0 Deep Sjeng 0 = 0 = = X = = 1 = 1 1
7 5.0 Jonny 0 = 0 = 0 = X 1 0 = 1 1
8 4.5 Diep 0 0 0 0 = = 0 X 1 = 1 1
9 4.0 The Baron 0 0 = = 0 0 1 0 X 1 0 1
10 3.5 IsiChess 0 0 0 0 = = = = 0 X = 1
11 2.5 The King 0 0 0 0 0 0 0 0 1 = X 1
12 0.0 micro-Max 0 0 0 0 0 0 0 0 0 0 0 X

The Blitz Championship was won by Shredder:

Pos Score Program Opponent
1 2 3 4 5 6 7 8
1 6.0 Shredder X = 1 = 1 1 1 1
2 5.0 Rybka = X = = = 1 1 1
3 4.5 Zappa 0 = X = 1 = 1 1
4 4.0 GridChess = = = X = 1 0 1
5 3.5 Deep Sjeng 0 = 0 = X = 1 1
6 3.0 Jonny 0 0 = 0 = X 1 1
7 2.0 Loop 0 0 0 1 0 0 X 1
8 0.0 micro-Max 0 0 0 0 0 0 0 X

Posted in Computer-Computer |

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Excalibur Grandmaster Review

6 June 2007

Excalibur Grandmaster Chess Computer
The Excalibur Grandmaster is an example of a great chess computer that feel great and peforms like Kasparov on steroids. The feel of the thing – the size of the thing – and the weighted full size pieces are it’s strengths. We’ll come to the weaknesses in a moment. After setting up the board and turning on – the machine immediately feels right. This is electronic chess at it best. The size helps, a full tournament board with full size tournament pieces. Moving a piece from square to square is immediately reassuring through the ‘beep’ uttered by the chess machine (the sound changes for incorrect movements). No pressing down to activate the press sensory mechanism – it doesn’t have that limitation – the reed switch underneath the board top surface – one per square – picks up the abscence of magnetic pull and throws the software into a ‘from’ mode, paired with the ‘to’ mode when placed down onto the next square. No extra pressure, no typing in the move, the computer takes care of it all. With a maximum elo of over 2000 – you’ll have to play like a grand master to beat this grandmaster.

The weaknesses? It’s plastic. Novag’s new Citrine is all wood. But we expect our silicon oponent to be a little unnatural. However – plastic is plastic – for the price they could have made it in graphite. Also the booklet is a little dated. Come on Excalibur – it’s not the 1970’s – change the picture on the book! Another weakness is the fundamental technology of the reed switches – they are just too prone to failure through even minor drops. They are reasonably easily repaired, but the carriage to and from a repairer for modern electronics is too much for a machine that may realise further reed switch failure. This aspect of the machine isn’t just sub-optimal – it’s stupid of Excalibur – they’re stuck in last century’s electronics and user guides but with up-to-date software, reflective of the companies clash of values in customer service – truly awful.

Overall – still a Rolls Royce of a computer chess game – but come on Excalibur – move into 2007!

Posted in Human-Computer |

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Computer Chess World Championship in Amsterdam

31 May 2007 (Last modified: 6 June 2007)

The 15th world computer chess championship will be held in the Science Park in Amsterdam, The Netherlands, from June 11th until June 18th. Shredder will compete trying to win his 12th computer chess world champion title. All games of Shredder will be transmitted live on shredderchess.com.

Posted in Computer-Computer |

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Sigma Chess 6.1.4 HIARCS 11

12 April 2007

Hiarcs announced a new version of Sigma Chess with HIARCS 11.

Posted in Mac |

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Chess Diagrams

5 December 2005

A list of programs and scripts for generating chess diagrams.

Posted in Programs |

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Scalable Search in Computer Chess

29 August 2005

Scalable Search in Computer Chess: Algorithmic Enhancements and Experiments at High Search Depths

The book presents new results of computer-chess research in the areas of selective forward pruning, the efficient application of game-theoretical knowledge, and the behavior of the search at increasing depths. It shows how to make sophisticated game-tree searchers more scalable at ever higher depths. Read the rest of this entry »

Posted in Books |

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Advances in Computer Chess 5

25 August 2005

Read the rest of this entry »

Posted in Books |

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Advances in Computer Chess 4

25 August 2005


Proceedings of the International Conference, Brunel University, UK, 1984. Read the rest of this entry »

Posted in Books |

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ExaChess 3.1.3

15 June 2005

Exachess is a chess-database program for the Macintosh that can be used to store collections of chess games or to play games with with several chess-engines. There is a free Lite version and a paid Pro version.

Posted in Mac |

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« Previous Entries

Computer chess is computer architecture encompassing hardware and software capable of playing chess autonomously without human guidance.
Computer chess occurs as solo entertainment (allowing players to practice and to amuse themselves when no human opponents are available, just like other games like solitaire or slots online), as aids to chess analysis, for computer chess competitions, and as research to provide insights into human cognition.
Chess-playing computers are now available to the average consumer. There are many chess engines such as Crafty, Fruit and GNU Chess that can be downloaded from the Internet for free, and play a game that when run on any current personal computer, can defeat most master players under tournament conditions.