Mertens, Klaus has 365 games recorded in this archive, with direct access to game pages and PGN downloads. Mertens, Klaus is currently 73 years old. Mertens, Klaus represents GER. Mertens, Klaus's current rating is 2061. Among active players, Mertens, Klaus is ranked #21341 in the world and #2359 in GER. In practical play, frequent openings include King's Indian Attack: General, Sicilian: Kan ().
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