IM Marcin Sieciechowicz Full name Marcin Sieciechowicz Born 1/1/1992 (age 33) Place of birth Federation Poland Profiles #1752 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 (2870) Ali Mortazavi (2578) 0-1 23 2025 Marcin Sieciechowicz (2886) Alexander Timerkhanov (2669) 0-1 39 2025 Marcin Sieciechowicz (2887) Benjamin Bok (3088) ½-½ 43 2025 Marcin Sieciechowicz (2691) Tobias Lang Nilsen (2472) 1-0 66 2024 Marcin Sieciechowicz (2689) Kelvin Antonio Sanchez Alvares (2371) 1-0 54 2024 Marcin Sieciechowicz (2682) Hamed Wafa (2812) 1-0 54 2024 Marcin Sieciechowicz (2693) Alexander Chernyavsky (2489) 1-0 40 2024 Marcin Sieciechowicz (2690) Atousa Pourkashiyan (2518) 1-0 20 2024 Show All Games