Jan-Krzysztof Duda vs Jakub Kosakowski
GM Jan-Krzysztof Duda (2743) · GM Jakub Kosakowski (2543)
Jan-Krzysztof Duda and Jakub Kosakowski have played 28 recorded games against each other, the first in Dec 2023 and the most recent in Feb 2026. Duda leads 21 wins to 4, with 3 draws (89% of the games were decisive). Their most common battleground is the Nimzovich-Larsen attack (5 games). The average game between them lasted 43 moves.
Results by color
| Split | Games | Duda | Draws | Kosakowski |
|---|---|---|---|---|
| Duda with White | 16 | 12 | 2 | 2 |
| Kosakowski with White | 12 | 9 | 1 | 2 |
Results by time format
| Format | Games | Duda | Draws | Kosakowski |
|---|---|---|---|---|
| Blitz | 27 | 20 | 3 | 4 |
| Rapid | 1 | 1 | 0 | 0 |
Openings in their games
| ECO | Opening | Games | Duda | Draws | Kosakowski |
|---|---|---|---|---|---|
| A01 | Nimzovich-Larsen attack | 5 | 4 | 1 | 0 |
| D00 | London System | 3 | 2 | 0 | 1 |
| C45 | Scotch Game | 2 | 1 | 0 | 1 |
| A06 | Nimzovich-Larsen attack | 1 | 1 | 0 | 0 |
| A50 | Devin Gambit | 1 | 0 | 1 | 0 |
| B10 | Caro-Kann | 1 | 1 | 0 | 0 |
| A30 | Nimzovich-Larsen attack | 1 | 1 | 0 | 0 |
| B29 | Sicilian | 1 | 1 | 0 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Feb 2026 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Sicilian | 1st 3-0 Thursday |
| Jul 2025 | Jakub Kosakowski | J Duda | 1-0 | Scotch Game | Titled Tue Late |
| Apr 2025 | J Duda | Jakub Kosakowski | 1-0 | Queen's Pawn Game: Chigorin Variation | Titled Tue Late |
| Feb 2025 | J Duda | Jakub Kosakowski | 1-0 | Nimzovich-Larsen attack | Titled Tue Early |
| Oct 2024 | J Duda | Jakub Kosakowski | 0-1 | Orangutan opening | Titled Tue Early |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Nimzovich-Larsen attack | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Nimzovich-Larsen attack | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 1/2-1/2 | Ruy Lopez: Morphy Defense | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 1-0 | Sicilian | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Nimzovich-Larsen attack | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Indian Defense | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Nimzovich-Larsen attack | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | London System | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Ruy Lopez: Morphy Defense | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1/2-1/2 | Nimzovich-Larsen attack | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Nimzovich-Larsen attack | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Sicilian: Four Knights | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Sicilian | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 0-1 | London System | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | English Opening: Slav Setup | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1/2-1/2 | Devin Gambit | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | London System | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | French Defense | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Sicilian | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Vienna Game | Speed Chess Poland |
| Jan 2024 | Jakub Kosakowski | Jan-Krzysztof Duda | 0-1 | Scotch Game | Speed Chess Poland |
| Jan 2024 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Nimzovich-Larsen attack | Speed Chess Poland |
| Dec 2023 | Jan-Krzysztof Duda | Jakub Kosakowski | 1-0 | Caro-Kann | Wch Rapid |
Interactive board, all 28 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Jan-Krzysztof Duda and Jakub Kosakowski?
In 28 recorded games, Jan-Krzysztof Duda has 21 wins, Jakub Kosakowski has 4 wins, and they have drawn 3 times.
How many times have Jan-Krzysztof Duda and Jakub Kosakowski played each other?
Our database records 28 games between them, from Dec 2023 to Feb 2026.
What openings do Jan-Krzysztof Duda and Jakub Kosakowski play against each other?
The most common opening in their games is the Nimzovich-Larsen attack (5 games), followed by the London System (3). The full opening breakdown and every game are on this page.