Marczok, Jakub

Jakub Marczok, a 18-year-old Polish player, is rated 1520 — just 20 short of his peak of 1540 (Feb 2026, age 18). He is on a breakout run, having gained +95 Elo over the past 12 months. 18 rated games in the past year (≈12/year long-term). Recent standard appearances include Jurajski Zimowy Turniej Szachowy 2026. Grupa A, I Turniej w Fortecy o male normy II.I,K. - do FIDE - 5 Rund, and TURNIEJ KLASYFIKACYJNY NA I KATEGORIE ORAZ NA TYTUL KM - 11.2025. Also played 17 rapid (including Tyski Turniej Rapida) and 2 blitz events (including Turniej blyskawiczny w ramach Festiwalu z okazji 500-lecia Miasta Tarnowskie Gory) recently.