Freeware by Pascal Wassong. DOS/Linux.
Natch solves retrograd analysis problems by constructing "proof games" - the shortest possible game leading to a certain position. Natch is a command line utility, but there is a Java based graphical interface, iNatch (110 kb). To run iNatch you must have SUN's Java Runtime Environment 1.3 (or higher) installed.
Homepage: The Natch homepage (119 kb).
Download: http://natch.free.fr/iNatch/download.html |
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