Edit summary: ←Created page with ''''Harm Geert Muller''' Harm Geert Muller (HGM)<ref>{{Cite web |url=https://www.chessprogramming.org/Harm_Geert_Muller |title=Harm Geert Muller |website=Chess Programming Wiki |publisher=chessprogramming.org |date=2025-11-15 |access-date=30 November 2025}}</ref>, a Dutch physicist and since 1976 computer chess programmer. He wrote a blitz program for the PDP-11 and programs for the 6800 and 6502 8-bit µ-Processors, released under the name Usurpator, w...'
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https://www.chessprogramming.org/Harm_Geert_Muller
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