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a Chess Engine Communication Protocol aka WinBoard and UCI compliant chess engine by Matthias Gemuh, written in C++ using Borland C++Builder 5.0, first released in April 2002 as announced by Frank Quisinsky [1]. Since 2.23w in fall 2005, BigLion is able to play Chess960 [2].
Sultan the Barbary Lion [3] [4]



Board Representation



Hash Tables

See also

Forum Posts

2002 ...


2005 ...

2010 ...

External Links

Chess Engine



  1. ^ WB/UCI BigLion by Matthias Gemuh is available! by Frank Quisinsky, Winboard Forum, April 23, 2002
  2. ^ BigLion 2.23w and Taktix 2.23w by Matthias Gemuh, CCC, November 24, 2005
  3. ^ Sultan the Barbary Lion, Bronx Zoo , 1899, Wikimedia Commons
  4. ^ According to an article from the February 01, 1903 issue of the New York Times, Sultan and a female named Bedouin Maid were gifts to the zoo from Nelson Robinson. “Sultan,” the article states, “is four years old and is considered to be as handsome and perfect a specimen as ever trod a cage floor. He is also unusually good tempered.” from Sultan: A King Among Lions by Vicki Croke, WBUR's The Wild Life, February 17, 2016
  5. ^ ChessGUI4Stick.zip\ChessGUI4Stick\Portable_Engines\UCI\BigLion_223\readme.txt
  6. ^ BigLion and Tournaments by Matthias Gemuh, CCC, October 31, 2002

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