IMIwo Karolczuk

POL Born 2006 Male
FIDE ID
21816972

About Iwo Karolczuk

Iwo Karolczuk developed through Polish junior competition and played for Stoczek 45 Białystok. He won national under-sixteen bronze in 2022 and under-eighteen bronze in 2023. Show more

Iwo Karolczuk developed through Polish junior competition and played for Stoczek 45 Białystok. He won national under-sixteen bronze in 2022 and under-eighteen bronze in 2023. He reached the senior Polish championship's knockout stage in 2023, and the following year took bronze in the national under-twenty championship.

His open-tournament results include shared second place in the 2023 Rubinstein Memorial's A section. FIDE awarded him the international-master title in 2025. He later played for the University of Warsaw in the 2026 Polish academic championship, adding university competition to his club and junior career.

FIDE ratings

2389

Classical

Published FIDE

2383

Rapid

Published FIDE

2436

Blitz

Published FIDE

Official classical ranks

World rank
#1893
National rank · POL
#78

Active players · Nov 2026 FIDE list ⓘ

Rating milestones

Highest recorded rating
2406 Jul 2025
Recorded years
2015–2026
Archived games
664

Based on available monthly lists and saved games.

Rating history

FIDE rating history

Published rating lists through Nov 2026.

Download chart or data

View rating lists

Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-11 (UTC).

Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).

# Date Event Site Round White Black Result Moves View
51 2026-06-26 Jana Maciei Mem 2026 Warsaw POL 3.15 Karolczuk,Iwo Bednarczuk,Jakub 1-0 23 Open
52 2026-06-26 Jana Maciei Mem 2026 Warsaw POL 4.3 Kazakouski,Valery Karolczuk,Iwo 0-1 78 Open
53 2025-09-14 TCh-POL 1st League 2025 Chotowa POL 9.7 Rafal Borgula Iwo Karolczuk 1/2-1/2 38 Open
54 2025-09-13 TCh-POL 1st League 2025 Chotowa POL 8.25 Iwo Karolczuk Damian Lewtak 1/2-1/2 26 Open
55 2025-09-12 TCh-POL 1st League 2025 Chotowa POL 7.1 Radoslaw Psyk Iwo Karolczuk 1-0 19 Open
56 2025-09-11 TCh-POL 1st League 2025 Chotowa POL 6.19 Filip Luczak Iwo Karolczuk 1-0 55 Open
57 2025-09-10 TCh-POL 1st League 2025 Chotowa POL 5.1 Iwo Karolczuk Witold Klepek 1/2-1/2 41 Open
58 2025-09-09 TCh-POL 1st League 2025 Chotowa POL 4.19 Aleksander Kaczmarek Iwo Karolczuk 1/2-1/2 5 Open
59 2025-09-08 TCh-POL 1st League 2025 Chotowa POL 3.13 Iwo Karolczuk Marcin Molenda 1/2-1/2 21 Open
60 2025-09-07 TCh-POL 1st League 2025 Chotowa POL 2.1 Lukasz Licznerski Iwo Karolczuk 1/2-1/2 19 Open
61 2025-09-06 TCh-POL 1st League 2025 Chotowa POL 1.13 Iwo Karolczuk Adam Gibala 1/2-1/2 37 Open
62 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 9.8 Iwo Karolczuk Vladimir Hamitevici 1/2-1/2 114 Open
63 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 8.12 Jakub Suder Iwo Karolczuk 0-1 38 Open
64 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 7.18 Iwo Karolczuk Wojciech Nagly 1-0 49 Open
65 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 6.11 Bartlomiej Heberla Iwo Karolczuk 1/2-1/2 38 Open
66 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 5.14 Iwo Karolczuk Bartosz Socko 1-0 55 Open
67 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 4.25 Chitre Arush Iwo Karolczuk 0-1 42 Open
68 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 3.37 Iwo Karolczuk Wiktor Golis 1/2-1/2 47 Open
69 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 2.23 Jan Klimkowski Iwo Karolczuk 1-0 45 Open
70 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 11.6 Iwo Karolczuk Michal Krasenkow 1-0 39 Open
71 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 10.8 Xiongjian Peng Iwo Karolczuk 0-1 49 Open
72 2025-07-07 Jana Maciei Mem 2025 Warsaw POL 1.31 Iwo Karolczuk Adam Jedrusik 1/2-1/2 39 Open
73 2025-06-05 2nd Gambit GM Closed 2025 Prague CZE 9.5 Tymon Czernek Iwo Karolczuk 1/2-1/2 8 Open
74 2025-06-04 2nd Gambit GM Closed 2025 Prague CZE 8.2 Iwo Karolczuk Pavel Simacek 1/2-1/2 6 Open
75 2025-06-04 2nd Gambit GM Closed 2025 Prague CZE 7.4 Stepan Hrbek Iwo Karolczuk 0-1 32 Open
76 2025-06-03 2nd Gambit GM Closed 2025 Prague CZE 6.3 Iwo Karolczuk Jiri Bouska 1-0 71 Open
77 2025-06-02 2nd Gambit GM Closed 2025 Prague CZE 5.3 Vantika Agrawal Iwo Karolczuk 1-0 71 Open
78 2025-06-02 2nd Gambit GM Closed 2025 Prague CZE 4.4 Iwo Karolczuk Tomas Kraus 1/2-1/2 19 Open
79 2025-06-01 2nd Gambit GM Closed 2025 Prague CZE 3.2 Rosh Jain Iwo Karolczuk 1/2-1/2 24 Open
80 2025-06-01 2nd Gambit GM Closed 2025 Prague CZE 2.5 Iwo Karolczuk Valentyn Prokofiev 1-0 29 Open
81 2025-05-31 2nd Gambit GM Closed 2025 Prague CZE 1.1 Iwo Karolczuk Robert Cvek 1/2-1/2 17 Open
82 2025-03-13 1st Gambit GM Closed 2025 Prague CZE 9.3 Iwo Karolczuk Robert Cvek 1/2-1/2 18 Open
83 2025-03-12 1st Gambit GM Closed 2025 Prague CZE 8.3 Valentyn Prokofiev Iwo Karolczuk 1/2-1/2 11 Open
84 2025-03-11 1st Gambit GM Closed 2025 Prague CZE 7.4 Iwo Karolczuk Grzegorz Nasuta 1/2-1/2 9 Open
85 2025-03-11 1st Gambit GM Closed 2025 Prague CZE 6.2 Mario Alexis Arias Gaviria Iwo Karolczuk 0-1 37 Open
86 2025-03-10 1st Gambit GM Closed 2025 Prague CZE 5.5 Iwo Karolczuk Nikolas Wachinger 1-0 30 Open
87 2025-03-10 1st Gambit GM Closed 2025 Prague CZE 4.1 Guy Levin Iwo Karolczuk 1-0 27 Open
88 2025-03-09 1st Gambit GM Closed 2025 Prague CZE 3.5 Vitezslav Rasik Iwo Karolczuk 1/2-1/2 12 Open
89 2025-03-09 1st Gambit GM Closed 2025 Prague CZE 2.2 Iwo Karolczuk Jiri Bouska 1-0 44 Open
90 2025-03-08 1st Gambit GM Closed 2025 Prague CZE 1.4 Taron Shagbazyan Iwo Karolczuk 1/2-1/2 36 Open
91 2024-12-31 43 Ludwika Zamenhofa Mem Bialystok POL 9.4 Damian Lewtak Iwo Karolczuk 1/2-1/2 42 Open
92 2024-12-30 43 Ludwika Zamenhofa Mem Bialystok POL 8.1 Iwo Karolczuk Giga Quparadze 0-1 49 Open
93 2024-12-30 43 Ludwika Zamenhofa Mem Bialystok POL 7.1 Jan Malek Iwo Karolczuk 1/2-1/2 30 Open
94 2024-12-29 43 Ludwika Zamenhofa Mem Bialystok POL 6.3 Iwo Karolczuk Pawel Sowinski 1-0 31 Open
95 2024-12-29 43 Ludwika Zamenhofa Mem Bialystok POL 5.6 Iwo Karolczuk Pawel Kulig 1-0 40 Open
96 2024-12-28 43 Ludwika Zamenhofa Mem Bialystok POL 4.1 Bruno Terkiewicz Iwo Karolczuk 0-1 49 Open
97 2024-12-28 43 Ludwika Zamenhofa Mem Bialystok POL 3.15 Iwo Karolczuk Wiktor Kwiatkowski 1-0 29 Open
98 2024-12-27 43 Ludwika Zamenhofa Mem Bialystok POL 2.1 Jan Krol Iwo Karolczuk 1-0 86 Open
99 2024-12-27 43 Ludwika Zamenhofa Mem Bialystok POL 1.12 Iwo Karolczuk Izabela Tokarz 1-0 31 Open
100 2024-09-08 TCh-POL 2nd League 2024 Jastrzebia Gora POL 9.7 Iwo Karolczuk Adam Gibala 1-0 69 Open
  1. vs Bednarczuk,JakubWon · 1-0White · 2026-06-26 · Round 3.15Jana Maciei Mem 2026
  2. vs Kazakouski,ValeryWon · 0-1Black · 2026-06-26 · Round 4.3Jana Maciei Mem 2026
  3. vs Rafal BorgulaDraw · ½–½Black · 2025-09-14 · Round 9.7TCh-POL 1st League 2025
  4. vs Damian LewtakDraw · ½–½White · 2025-09-13 · Round 8.25TCh-POL 1st League 2025
  5. vs Radoslaw PsykLost · 1-0Black · 2025-09-12 · Round 7.1TCh-POL 1st League 2025
  6. vs Filip LuczakLost · 1-0Black · 2025-09-11 · Round 6.19TCh-POL 1st League 2025
  7. vs Witold KlepekDraw · ½–½White · 2025-09-10 · Round 5.1TCh-POL 1st League 2025
  8. vs Aleksander KaczmarekDraw · ½–½Black · 2025-09-09 · Round 4.19TCh-POL 1st League 2025
  9. vs Marcin MolendaDraw · ½–½White · 2025-09-08 · Round 3.13TCh-POL 1st League 2025
  10. vs Lukasz LicznerskiDraw · ½–½Black · 2025-09-07 · Round 2.1TCh-POL 1st League 2025
  11. vs Adam GibalaDraw · ½–½White · 2025-09-06 · Round 1.13TCh-POL 1st League 2025
  12. vs Vladimir HamiteviciDraw · ½–½White · 2025-07-07 · Round 9.8Jana Maciei Mem 2025
  13. vs Jakub SuderWon · 0-1Black · 2025-07-07 · Round 8.12Jana Maciei Mem 2025
  14. vs Wojciech NaglyWon · 1-0White · 2025-07-07 · Round 7.18Jana Maciei Mem 2025
  15. vs Bartlomiej HeberlaDraw · ½–½Black · 2025-07-07 · Round 6.11Jana Maciei Mem 2025
  16. vs Bartosz SockoWon · 1-0White · 2025-07-07 · Round 5.14Jana Maciei Mem 2025
  17. vs Chitre ArushWon · 0-1Black · 2025-07-07 · Round 4.25Jana Maciei Mem 2025
  18. vs Wiktor GolisDraw · ½–½White · 2025-07-07 · Round 3.37Jana Maciei Mem 2025
  19. vs Jan KlimkowskiLost · 1-0Black · 2025-07-07 · Round 2.23Jana Maciei Mem 2025
  20. vs Michal KrasenkowWon · 1-0White · 2025-07-07 · Round 11.6Jana Maciei Mem 2025
  21. vs Xiongjian PengWon · 0-1Black · 2025-07-07 · Round 10.8Jana Maciei Mem 2025
  22. vs Adam JedrusikDraw · ½–½White · 2025-07-07 · Round 1.31Jana Maciei Mem 2025
  23. vs Tymon CzernekDraw · ½–½Black · 2025-06-05 · Round 9.52nd Gambit GM Closed 2025
  24. vs Pavel SimacekDraw · ½–½White · 2025-06-04 · Round 8.22nd Gambit GM Closed 2025
  25. vs Stepan HrbekWon · 0-1Black · 2025-06-04 · Round 7.42nd Gambit GM Closed 2025
  26. vs Jiri BouskaWon · 1-0White · 2025-06-03 · Round 6.32nd Gambit GM Closed 2025
  27. vs Vantika AgrawalLost · 1-0Black · 2025-06-02 · Round 5.32nd Gambit GM Closed 2025
  28. vs Tomas KrausDraw · ½–½White · 2025-06-02 · Round 4.42nd Gambit GM Closed 2025
  29. vs Rosh JainDraw · ½–½Black · 2025-06-01 · Round 3.22nd Gambit GM Closed 2025
  30. vs Valentyn ProkofievWon · 1-0White · 2025-06-01 · Round 2.52nd Gambit GM Closed 2025
  31. vs Robert CvekDraw · ½–½White · 2025-05-31 · Round 1.12nd Gambit GM Closed 2025
  32. vs Robert CvekDraw · ½–½White · 2025-03-13 · Round 9.31st Gambit GM Closed 2025
  33. vs Valentyn ProkofievDraw · ½–½Black · 2025-03-12 · Round 8.31st Gambit GM Closed 2025
  34. vs Grzegorz NasutaDraw · ½–½White · 2025-03-11 · Round 7.41st Gambit GM Closed 2025
  35. vs Mario Alexis Arias GaviriaWon · 0-1Black · 2025-03-11 · Round 6.21st Gambit GM Closed 2025
  36. vs Nikolas WachingerWon · 1-0White · 2025-03-10 · Round 5.51st Gambit GM Closed 2025
  37. vs Guy LevinLost · 1-0Black · 2025-03-10 · Round 4.11st Gambit GM Closed 2025
  38. vs Vitezslav RasikDraw · ½–½Black · 2025-03-09 · Round 3.51st Gambit GM Closed 2025
  39. vs Jiri BouskaWon · 1-0White · 2025-03-09 · Round 2.21st Gambit GM Closed 2025
  40. vs Taron ShagbazyanDraw · ½–½Black · 2025-03-08 · Round 1.41st Gambit GM Closed 2025
  41. vs Damian LewtakDraw · ½–½Black · 2024-12-31 · Round 9.443 Ludwika Zamenhofa Mem
  42. vs Giga QuparadzeLost · 0-1White · 2024-12-30 · Round 8.143 Ludwika Zamenhofa Mem
  43. vs Jan MalekDraw · ½–½Black · 2024-12-30 · Round 7.143 Ludwika Zamenhofa Mem
  44. vs Pawel SowinskiWon · 1-0White · 2024-12-29 · Round 6.343 Ludwika Zamenhofa Mem
  45. vs Pawel KuligWon · 1-0White · 2024-12-29 · Round 5.643 Ludwika Zamenhofa Mem
  46. vs Bruno TerkiewiczWon · 0-1Black · 2024-12-28 · Round 4.143 Ludwika Zamenhofa Mem
  47. vs Wiktor KwiatkowskiWon · 1-0White · 2024-12-28 · Round 3.1543 Ludwika Zamenhofa Mem
  48. vs Jan KrolLost · 1-0Black · 2024-12-27 · Round 2.143 Ludwika Zamenhofa Mem
  49. vs Izabela TokarzWon · 1-0White · 2024-12-27 · Round 1.1243 Ludwika Zamenhofa Mem
  50. vs Adam GibalaWon · 1-0White · 2024-09-08 · Round 9.7TCh-POL 2nd League 2024

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