Format
KJ
Kosakowski, Jakub
GM🇵🇱FIDE 1185080· Male· Poland· Born in 2002
Follow Jakub KosakowskiTrack his monthly FIDE ratings, games, tournaments and more.
Jakub Kosakowski, a 24-year-old Polish Grandmaster, is rated 2549 — just 2 short of his peak of 2551 (Jul 2025, age 23) and ranked 8th among Polish players, and 315th worldwide. He has fluctuated between 2485 and 2551 over the past 2 years. 132 rated games in the past year (≈81/year long-term). Recent standard appearances include 1. Schachbundesliga 2025-2026 April 2026, European Individual Chess Championship 2026, and 83. Indywidualne Mistrzostwa Polski w Szachach. Also played 4 rapid (including FIDE World Rapid Championship 2025) and 3 blitz events (including FIDE World Blitz Championship 2025) recently. He reached World #313 in May 2026.
Awarded GM in 2025 (age 23), IM in 2020 (age 18), and FM in 2017 (age 15). At junior level, he reached World #42 in U20, World #45 in U18, World #31 in U16, World #32 in U14, World #28 in U12 and #4 nationally in U10.
Current rating
2549
Standard
Rpd2536·Blz2525
All-time high
2551
−2 pts below
Jul 2025 · age 23
Jul 2025 · age 23
Activity
108
games / yr avg. · ≈9/mo
103 past 12 mo · ≈9/mo
classical only
Very active
classical only
Very active
Signature stat
#8
#8 · Polish players · of 6,347
Career timeline
22 entries2026
Peak World rank: #313
at age 24 · rated 2550
May 2026
2025
Peak Polish rank: #8
at age 23 · rated 2550
Oct 2025
All-time peak 2551
at age 23 · −1 from today
Jul 2025
6-month rising streak
+40 Elo
Jul 2025
GM title awardedGM
at age 23 · 2025 1st FIDE Council
Apr 2025
2024
1,000 career games
at age 22
Oct 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
Activity & highlights
Top opponent
Evolution
-2
2551 → 2549
Tournaments
19
103 games
Score
65.5/ 10363.6%
39W53D11L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
16 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Jun 2026 | 5/9 | #14 | 2491 | -6.2 |
Open Swiss | May 2026 | 5.5/9 | #13 | 2533 | -1.1 |
Team | May 2026 | 2/3 | #26 | 2546 | 0.0 |
Team | Apr 2026 | 1/3 | #91 | 2538 | -0.1 |
Open Swiss | Apr 2026 | 7/11 | #75 | 2568 | +6.7 |
Round-Robin | Mar 2026 | 5.5/9 | #2 | 2619 | +10.7 |
Team | Mar 2026 | 4/5 | #5 | 2542 | +2.1 |
Team | Mar 2026 | 0.5/1 | #125 | 2547 | +0.2 |
Team | Feb 2026 | 1/3 | #71 | 2415 | -5.1 |
Team | Jan 2026 | 1/2 | #43 | 2478 | -1.6 |
Most-Played Opponents
vsSzymon GumularzGM
🇵🇱POL·2613
+3 −11 =23
37 games·last met Mar 2026
View head-to-head →
vsMaciej Kaminski
🇵🇱POL·1857
+31 −0 =2
33 games·last met Jul 2022
View head-to-head →
vsIgor KowalskiIM
🇵🇱POL·2398
+12 −6 =13
31 games·last met Jun 2025
View head-to-head →
vsRadoslaw Psyk
🇵🇱POL·2496
+19 −2 =9
30 games·last met May 2024
View head-to-head →
vsMaciej Pytel
🇵🇱POL·1979
+19 −5 =5
29 games·last met Feb 2024
View head-to-head →
Rankings
/
Poland
#8
out of 10,822 players
Europe
#181
in continent
World
#315
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 8 | 2,549 | |
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Europe
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| ... | ||
| 181 | 2,549 | |
World
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| ... | ||
| 315 | 2,549 | |