Tord Romstad

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Tord Kallqvist Romstad, a Norwegian algebraic geometer by education, and as chess and games programmer author of the open source chess programs Glaurung, also available as iPhone chess program and since February 2014 as chess AI of Play Magnus, the didactic parallel search engine Viper, the former Gothmog, and the hexagonal chess program Scatha. Tord has also some interests in Shogi programming. In 2009 Tord joint forces with Marco Costalba and Joona Kiiski on Marco's initial branch of Glaurung's evolutionary tree called Stockfish. More recently, Tord Romstad developed a Julia chess programming library Chess.jl.

=Photos= Winners Chess960CWC 2005: Tord Romstad, Johannes Zwanzger, Volker Böhm and Ralf Schäfer

=Forum Posts=

2000 ...

 * Mixing alpha-beta with PN search by Tord Romstad, CCC, January 18, 2004 » Alpha-Beta, Proof-Number Search
 * When to do a null move search - an experiment by Tord Romstad, CCC, April 26, 2004 » Null Move Pruning
 * Two questions for bitboard experts by Tord Romstad, Winboard Forum, November 06, 2004 » Bitboards, In Between, Piece-Lists

2005 ...

 * Reductions and null move refutations by Tord Romstad, Winboard Forum, April 18, 2005 » Late Move Reductions, Null Move Pruning
 * A plea to all computer chess enthusiasts (absurdly long) by Tord Romstad, CCC, February 08, 2006
 * Bitboard question by Tord Romstad, Winboard Forum, March 14, 2006 » Bitboards
 * Speedup with bitboards on 64-bit CPUs by Tord Romstad, CCC, April 27, 2007
 * The Art of Evaluation by Tord Romstad, CCC, August 2, 2007 » Evaluation Philosophy
 * SEE problem by Tord Romstad, CCC, April 13, 2008 » Static Exchange Evaluation
 * Artificial stupidity - making a program play badly by Tord Romstad, CCC, May 20, 2008

2010 ...

 * Revolutionizing handheld chess: Glaurung 2 for the iPhone by Tord Romstad, CCC, July 02, 2010
 * Re: Play Magnus: official App with Chess Engine by Tord Romstad, CCC, February 26, 2014 » Play Magnus
 * Reactions about AlphaZero from top GMs... by Norman Schmidt, CCC, December 08, 2017 » Reactions From Top GMs, Stockfish Author
 * Re: World Computer Chess Championship by Tord Romstad, CCC, February 28, 2018 » World Computer Chess Championship

2020 ...

 * Re: Bit Board Orientation by Tord Romstad, CCC, October 06, 2020 » Square Mapping Considerations
 * Chess.jl – new version by Tord Romstad, CCC, April 30, 2021

=External Links=
 * Stockfish Chess Engine Home
 * Home · Chess.jl
 * Computerschach, Interview with Tord Romstad (Norway), Joona Kiiski (Finland) and Marco Costalba (Italy) by Frank Quisinsky, March 29, 2010
 * Parallelism and Selectivity in Game Tree Search by Tord Romstad, TNG | Big Techday 8, June 12, 2015, YouTube Video


 * flatMap(Oslo) - 2017 Tord Romstad - How Modern Chess Programs Work, May 02, 2017
 * How Modern Chess Programs Work by Tord Romstad, Vimeo Video

=References=

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