IM Marcin Sieciechowicz Full name Marcin Sieciechowicz Born 1/1/1992 (age 33) Place of birth Federation Poland Profiles #1751 World Ranking 2401 Classical 2307 Rapid 2305 Blitz Rating 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 (2879) Aleksandras Jegorovas (2500) 1-0 41 2025 Marcin Sieciechowicz (2874) Giovanni Marchesich (2478) 1-0 43 2025 Marcin Sieciechowicz (2762) Sudarshan Sriniaiyer (2568) 1-0 38 2025 Marcin Sieciechowicz (2755) Trisha Kanyamarala (2508) 1-0 51 2025 Marcin Sieciechowicz (2762) Daniel Centron Antuna (2603) 1-0 47 2025 Marcin Sieciechowicz (2768) Fabian Platzgummer (2624) 1-0 54 2025 Marcin Sieciechowicz (2766) Lut Yin Luke Lau (2466) 1-0 42 2025 Marcin Sieciechowicz (2762) Sean Senft (2568) 1-0 32 2025 Marcin Sieciechowicz (2870) Ali Mortazavi (2578) 0-1 23 2025 Marcin Sieciechowicz (2886) Alexander Timerkhanov (2669) 0-1 39 2025 Show All Games