IM Mark van der Werf Full name Mark Van der Werf Born 1/1/1968 (age 56) Place of birth Federation Netherlands Profiles #1500 World Ranking 2415 Classical 2398 Blitz Rating Bio Most Played Openings White Pieces Alapin Sicilian Defense (14 games) King's Indian Defense: Normal Variation (9 games) English Opening: Caro-Kann Defensive System (8 games) English Opening: King's English Variation (6 games) King's Indian Defense: Makogonov Variation (6 games) Black Pieces Sicilian Defense: Taimanov, Bastrikov Variation (17 games) Scandinavian Defense: Mieses-Kotrč, Main Line (17 games) Slav Defense: Modern, Triangle System (16 games) Alekhine's Defense: Modern, Larsen Variation (10 games) Queen's Gambit Declined: Semi-Slav Defense, Accelerated Move-Order (9 games) Games Players Result Moves Year Mark van der Werf (2399) Tycho Bakker (1872) 1-0 43 2024 Mark van der Werf (2396) Jesus Martin Duque (2565) 1-0 64 2024 Mark van der Werf (2383) Danila Bilan (2580) 1-0 34 2024 Mark van der Werf (2400) Laurin Perkampus (2136) 1-0 30 2024 Mark van der Werf (2401) Steven Geirnaert (2446) 1-0 39 2024 Mark van der Werf (2407) Luc Zimmermann (2104) 1-0 65 2024 Mark van der Werf (2407) Adolf Denk (2186) 1-0 43 2024 Mark van der Werf (2359) Flavio Rodrigo Costa Bezerra (2124) 1-0 22 2024 Mark van der Werf (2408) Stefan Djuric (2208) 1-0 42 2024 Mark van der Werf (2408) Valerio Carnicelli (2394) 1-0 46 2024 Show All Games