Kostka, JakubFIDE ID 237241968Games1Wins2Draws5Losses25%ScorePeak rating1753Latest rating1753First seenApr 11, 2026Last seenApr 19, 2026Recent gamesDateWhiteResultBlackEventOpeningApr 19, 2026Szadkowski1–0KostkaMPA U1600French Defense: Schlechter VariationApr 18, 2026Kostka½–½WisniewskiMPA U1600Dutch DefenseApr 17, 2026Wolanski0–1KostkaMPA U1600French Defense: Classical Variation, Swiss VariationApr 14, 2026Kostka0–1PiastaMPA U1600Queen's Pawn Game: Accelerated London System, Steinitz CountergambitApr 14, 2026Wiesiolek1–0KostkaMPA U1600French Defense: Exchange VariationApr 13, 2026Kostka0–1MalyszekMPA U1600Queen's Pawn Game: Accelerated London SystemApr 12, 2026Swiatek½–½KostkaMPA U1600Dutch Defense: Alekhine VariationApr 11, 2026Kostka0–1WawrzyniakMPA U1600Indian Defense: Accelerated London System
