Heiner Marxen, a German computer scientist, programmer and author of Chest, a Program for Solving Orthodox Chess Problems [1]. Heiner is a well known Busy Beaver expert [2]. Additionally he introduced a method to compute Rook Paths Puzzles [3]. In 1973, he has written the first precursor of Chest, written in Fortran-II (no recursion) to solve mate-in-two problems [4]. It did not need or use any tapes and ran on an IBM-1130 with 32 K bytes, and took half an hour for one job [5].
Heiner Marxen [6]

Forum Posts

• New improvement to alpha/beta + TT? by Heiner Marxen, rgcc, January 13, 1997 » Fail-Soft
• CHEST 3.19 is available by Heiner Marxen, CCC, December 18, 1999
• Nalimov's EGTBs (long post with code) by Heiner Marxen, CCC, October 13, 2001 » Nalimov Tablebases
• A new(?) technique to recognize draws by Heiner Marxen, CCC, June 01, 2002 » Repetitions, Corresponding Squares
• Re: Perft(3) from 1978, with a twist! by Heiner Marxen, CCC, December 09, 2011 » Perft

External Links

• Home Page of Heiner Marxen
• Chess page of Heiner Marxen - Solving Orthodox Chess Problems
• Self-Avoiding Walks of a Rook on a Chessboard

References

1. ^ Chest: A Program for Solving Orthodox Chess Problems
2. ^ Heiner Marxen - Busy Beaver
3. ^ Heiner Marxen's Method to compute the Rook Paths Puzzle
4. ^ Chest - Readme Long - History
5. ^ Re: Perft(3) from 1978, with a twist! by Heiner Marxen, CCC, December 09, 2011
6. ^ BELCT 2001 Berlin is worth a trip ! photos by Thomas Mayer

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