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was a Dutch computer chess expert, early [[:Category:Opening Book AuthorsAuthor|opening book author]] , writer, tester, and publisher of an own computer chess magazine [[MegaByte]]. Jan Louwman was the Dutch pioneer of computer chess, supporting, advising and motivating programmers, beside others [[Ed Schroder|Ed Schröder]], [[Frans Morsch]] and [[Bart Weststrate]]. In 1980, Jan Louwman was co-founder of the Dutch Computer Chess Federation, the [[CSVN]]. He organized computer chess events, and operated programs in countless computer chess competitions, most notably as member of the [[Rebel]] team <ref>[https://www.game-ai-forum.org/icga-tournaments/person.php?id=420 Jan Louwman's ICGA Tournaments]</ref>, not to mention the testing in his home laboratory.