Kouwenhoven, Derk has 116 games recorded in this archive, with direct access to game pages and PGN downloads. Kouwenhoven, Derk is currently 24 years old. Kouwenhoven, Derk represents NED. Kouwenhoven, Derk's current rating is 2042. Among active players, Kouwenhoven, Derk is ranked #23965 in the world and #876 in NED. In practical play, frequent openings include Italian Game: Giuoco Piano (Main), Ruy Lopez: Anderssen Variation.
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