Harm Geert Muller

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HGM [1]

Harm Geert Muller (HGM),
a Dutch physicist and since 1976 computer chess programmer. He wrote a blitz program for the PDP-11 and programs for the 6800 and 6502 8-bit µ-Processors, released under the name Usurpator, which competed in several Dutch Computer Chess Championships. In 1986 HGM came up with a matchbox computer with a 65SC816 CPU for the purpose of running Usurpator [2], competing three times until 1990 [3].

Comeback

After 15 years "out of business", HGM is back with his minimalist chess engine Micro-Max, the chess variants engine Fairy-Max, the closed source programs Joker and Spartacus [4], the Chinese Chess engine HaQiKi D, and the Shogi engine Shokidoki. HGM is involved in extending the Chess Engine Communication Protocol specification to Version 2 [5], also addressing various chess and chess like game variants, and further covering Checkers, Go, Amazons, and Othello [6]. The didactic open source engine KingSlayer published in fall 2015 [7] is intended to be an inspiration for beginning chess programmers [8]. His open source engine CrazyWa plays Shogi and Chess variants with piece drops with boards up to 11x11, with up to 16 droppable piece types, and 15 promoted piece types [9].

Shokidoki

HGM's Shogi engine Shokidoki won silver in 5*5 Shogi at the 15th Computer Olympiad [10], gold at the 17th Computer Olympiad [11], gold in Shogi and Mini-Shogi at the 18th Computer Olympiad 2015, and also won the 2015 UEC Cup [12] [13].

Photos

DOCCC 2005

MulArts42a.JPG

Harm Geert Muller and Stan Arts, DOCCC 2005 [14]

CPT 2008

HGM VincentCPT2008.jpg

Harm Geert Muller and Vincent Diepeveen, CPT 2008 [15]

Yokohama 2013

Hgm gold in 5x5Shogi2013.jpg

Yokohama 2013, Mini Shogi, Gold for Shokidoki, Silver 1/128 Rigan, Bronze Mattari Yucha [16]
Jaap van den Herik, Nakamichi Takashi, Harm Geert Muller, Yoshiyuki Kotani [17] [18] [19]

Leiden 2016

Olympiad2016MiniShogi.jpg

19th Computer Olympiad, Winners in Mini-Shogi: Shun-Chin Hsu, Harm Geert Muller and Andrew Lin [20]

Selected Publications

Forum Posts

2005 ...

2006

2007

2008

2009

2010 ...

2011

2012

2013

2014

2015 ...

2016

2017

2018

2019

2020 ...

2021

2023

HGM's pages

Micro-Max
Joker Chess
Shokidoki
10x8 Chess
The Chessiverse: Evolution of Chess Programs
Chu Shogi, the ancient super Chess game » Shogi [30]
Ultima Pieces
Leapfrog Tablebase Generator
WinBoard and XiangQi

External Links

References

  1. Homepage of H.G.Muller
  2. Jaap van Oosterwijk Bruyn (1986). Nona retains her Title. ICCA Journal, Vol. 9, No. 3
  3. Harm Geert Muller (1990). A Matchbox Chess Computer. ICCA Journal, Vol. 13, No. 4
  4. Re: Any joker1114w Updates? by Harm Geert Muller, CCC, November 06, 2011
  5. Chess Engine Communication Protocol by Tim Mann & H.G. Muller
  6. WinBoard, exotic version by Harm Geert Muller, CCC, January 15, 2011
  7. hgm.nubati.net Git - simple.git/summary
  8. Re: Single threaded or simplified version of stockfish ? by Harm Geert Muller, October 16, 2016
  9. hgm.nubati.net Git - crazywa.git/blob - dropper.c
  10. Shokidoki wins silver at ICGA Olympiad for 5x5 Shogi by Harm Geert Muller, CCC, September 28, 2010
  11. Shokidoki wins gold medal in Yokohama by Harm Geert Muller, CCC, August 15, 2013
  12. Shokidoki wins UEC Cup! by Harm Geert Muller, CCC, November 22, 2015
  13. 第9回UEC杯5五将棋大会 - 5五将棋 portal
  14. 25th Open Dutch Computer-Chess Championship 2005, Photo Gallery
  15. 1st Programmers Tour - Photos by Richard Pijl
  16. Games Tournament 2013 - Shogi 5×5
  17. Re: Shokidoki wins gold medal in Yokohama by Harm Geert Muller, CCC, August 17, 2013
  18. Shokidoki by Harm Geert Muller
  19. Photos 2013 Events: day 4, ICGA
  20. Photo 18 by Jan Krabbenbos, Events 2016: Day 3 | ICGA
  21. Attophysics from Wikipedia
  22. Eine Stoppuhr für den Tunneleffekt by Samuel Schläfli, ETH-Life, ETH Zurich, June 25, 2008 (German)
  23. Quantum tunnelling from Wikipedia
  24. Der Tunneleffekt unter Beschuss by Samuel Schläfli, ETH-Life, ETH Zurich, December 05, 2008 (German)
  25. Current world's smallest chess program by Oscar Toledo G., CCC, February 20, 2009
  26. Seirawan chess from Wikipedia
  27. Chu Shogi, the ancient super Chess game by Harm Geert Muller
  28. 第9回UEC杯5五将棋大会 - 5五将棋 portal
  29. hgm-mailbox-trials/mailbox7b.c at main · maksimKorzh/hgm-mailbox-trials · GitHub hosted by Maksim Korzh
  30. New version of HaChu released by Harm Geert Muller, CCC, June 16, 2013

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