IM Marcin Sieciechowicz Full name Marcin Sieciechowicz Born 1992 (age 34) Place of birth Federation Poland Profiles # World Ranking 2386 Classical 2343 Rapid 2321 Blitz Bio Most Played Openings White Pieces Nimzo-Indian Defense: Reshevsky Variation (17 games) Indian Game (16 games) Grünfeld Defense: Exchange Variation (16 games) Benko Gambit Declined: Main Line (11 games) King's Indian Defense: Gligorić System (11 games) Black Pieces Sicilian Defense: Open, Najdorf Variation (25 games) French Defense: Winawer, Advance Variation (21 games) English Opening: Anglo-Indian, Anglo-Grünfeld Defense (18 games) Slav Defense: Modern, Quiet, Schallopp Defense (17 games) Sicilian Defense: Open, Najdorf, English Attack (13 games) Games Players Result Moves Year Marcin Sieciechowicz (2383) Mateusz Wasiluk (1933) 1-0 99 2026 Marcin Sieciechowicz (2383) Nowak, Lukasz *) (2166) 1-0 60 2026 Marcin Sieciechowicz (2383) Guy Gov (2222) 1-0 40 2026 Marcin Sieciechowicz (2869) Jyotshnav Talukdar (2717) 1-0 32 2026 Marcin Sieciechowicz (2876) Timofey Fisher (2645) 1-0 58 2026 Marcin Sieciechowicz (2845) Sergey Tugaj (2469) 1-0 33 2026 Marcin Sieciechowicz (2825) Leonardo Espinha Alonso (2548) 1-0 52 2026 Marcin Sieciechowicz (2834) Lucas Rusu (2555) 1-0 28 2026 Marcin Sieciechowicz (2383) Jan Subelj (2543) 0-1 54 2026 Marcin Sieciechowicz (2880) Dmitrij Kollars (3123) 0-1 26 2026 Show All Games