Heiner+Marxen

a German computer scientist, programmer and author of Chest, a Program for Solving Orthodox Chess Problems. Heiner is a well known [|Busy Beaver] expert. Additionally he introduced a method to compute [|Rook Paths Puzzles]. In 1973, he has written the first precursor of Chest, written in Fortran-II (no recursion) to solve [|mate-in-two problems]. 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. || toc =Forum Posts=
 * Home * People * Heiner Marxen**
 * [[image:3.02-heiner.jpg link="http://www.quarkchess.de/belct/body_index.html"]] ||~  || **Heiner Marxen**,
 * Heiner Marxen ||~  ||^   ||
 * [|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]

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